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  • Copernicus
  • PANGAEA
  • 2010-2014
  • 1990-1994  (1,088)
  • 1990  (1,088)
Collection
Keywords
Publisher
Years
  • 2010-2014
  • 1990-1994  (1,088)
Year
  • 1
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    Parasound journal of Polarstern Leg ANT-VIII/6 (1990)
    PANGAEA
    In:  EPIC3Alfred Wegener Institute., Bremerhaven, PANGAEA
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: PANGAEA Documentation , notRev
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  • 2
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    The results of palynological studies of the Holocene deposits in the highlands of the Lagodekhi reservation (eastern Georgia) (1990)
    PANGAEA
    In:  EPIC3Bulletin of the Academy of Sciences of the Georgian SSR, Bremerhaven, PANGAEA, 139(3), pp. 641-644
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: PANGAEA Documentation , notRev
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  • 3
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    Sediment echosounding on Astrid Ridge during Polarstern cruise ANT-VIII/6 (1990)
    PANGAEA
    In:  EPIC3AWI, Bremerhaven., Bremerhaven, PANGAEA
    Details
    Publication Date: 2019-07-16
    Repository Name: EPIC Alfred Wegener Institut
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  • 4
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    Über Alter und Entwicklung des Königseggsees bei Hoßkirch (Oberschwaben) (1990)
    PANGAEA
    In:  EPIC3Jh. geol. Landesamt Baden-Württemberg, Bremerhaven, PANGAEA, 32, pp. 247-254
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
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  • 5
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    Report on RV Sonne Research Cruise to Manihiki Plateau, BGR Cruise SO67-1, February - March 1990 (1990)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
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  • 6
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    Valdivia-Fahrt Nr. 44 (2.5-13.6.1986) - BMFT-Projekt Zirkulation und Schadstoffumsatz in der Nordsee - ZISCH 1986 - Nordsee-Grossaufnahme (1990)
    PANGAEA
    In:  EPIC3In: Berichte über die Fahrten des Hamburger Forschungschiffes VALDIVIA 1986, Universität Hamburg, Bremerhaven, PANGAEA
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
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  • 7
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    WHP Cruise Summary Information of section A21, S04, and SR02 (1990)
    PANGAEA
    In:  EPIC3WOCE., Bremerhaven, PANGAEA
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
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  • 8
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    Bilddokumente zur Geschichte des Vernagtferners im 17. Jahrhundert (1990)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publication Date: 2014-08-11
    Repository Name: EPIC Alfred Wegener Institut
    Type: PANGAEA Documentation , notRev
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  • 9
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    Hawaii Ocean Time-series Program Data Report 1, 1988-1989 (1990)
    PANGAEA
    In:  EPIC3SOEST Technical Report #1, School of Ocean and Earth Science and Technology, University of Hawaii, Honolulu, HI, Bremerhaven, PANGAEA, 269 p.
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
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  • 10
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    Quartäre Sedimentationsprozesse in der Tiefsee des Riiser-Larsenmeeres westlich des Gunnerus-Rückens, Ost-Antarktis (1990)
    PANGAEA
    In:  EPIC3Diplom-Arbeit, Institut für Geologie der Universität Würzburg & Alfred- Wegener-Institut für Polar- und Meeresforschung Bremerhaven., Bremerhaven, PANGAEA
    Details
    Publication Date: 2018-04-12
    Repository Name: EPIC Alfred Wegener Institut
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  • 11
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    Valdivia-Fahrt Nr. 53 (26.1-9.3.1987) - BMFT-Projekt Zirkulation und Schadstoffumsatz in der Nordsee - Nordsee-Grossaufnahme - Winter 1987 (1990)
    PANGAEA
    In:  EPIC3In: Berichte über die Fahrten des Hamburger Forschungschiffes VALDIVIA 1987, Universität Hamburg, Bremerhaven, PANGAEA
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
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  • 12
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    SONNE 68 - OLGA II Research Cruise April 29 to June 25, 1990, Preliminary Cruise Report (1990)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publication Date: 2015-06-01
    Repository Name: EPIC Alfred Wegener Institut
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  • 13
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    Krausella minuta, a nomen nudum in ostracodology, and three new species of Cardobairdia Bold, 1960 from the Campanian of Belgium and the Cenomanian of southern England (1990)
    Copernicus
    Details
    Publication Date: 1990-07-01
    Description: Van Veen (1936b) found the ostracod species Krausella minuta Triebel, in deposits of the uppermost Maastrichtian from the Valley of the Jeker, South Limburg, The Netherlands. Investigation has shown that Triebel never published any data on this species, so the name Krausella minuta has to be rejected, being a nomen nudum.In the boreholes of Kallo (27 E 148) and Knokke (11 E 138), in the northwestern part of Belgium, a related, yet undescribed species occurs, for which the name Cardobairdia triebeli sp. nov. is proposed. This taxon was found in deposits of mainly Lower Campanian age. Another new species, Cardobairdia rectimarginata, is described from the Campanian in the Knokke Borehole.The specimens of Cardobairdia minuta from the Cenomanian from southern England belong to a new species, defined here as C. cenomanensis.
    Print ISSN: 0262-821X
    Electronic ISSN: 2041-4978
    Topics: Geosciences
    Published by Copernicus on behalf of Micropalaeontological Society.
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  • 14
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    Modification of Conodont element micro-ornamentation by clay-mineral indentation (1990)
    Copernicus
    Details
    Publication Date: 1990-07-01
    Description: ‘Sclerites’, described from the surfaces of conodont elements in bedding-plane assemblages by Rhodes and Austin (1985), are shown to be indentations of bladed minerals on the conodont element apatite. Such minerals are seen coating moulds from which conodont elements have been removed, and are identified tentatively as Kaolinite. The recognition of inorganically-produced surface patterns on conodont elements, developed within low thermal régimes, is considered relevant in the light of recent studies of biogenic and metamorphic surface features.
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  • 15
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    A case for subgenera in a foraminiferal classification (1990)
    Copernicus
    Details
    Publication Date: 1990-07-01
    Description: There has been a progression in palaeobiological classifications from the more primitive empirical “stamp collecting” stage where similar shapes were grouped together, to the more sophisticated phylogenetic classifications where supposed genetically related foraminiferal taxa are categorised together. But how do we know that certain extinct taxa were genetically related? This is a major problem where a number of factors interplay together: a belief in evolution, the experience of the operator and consequent recognition of phyletic lineages. In the study of Cenozoic planktonic foraminifera we are fortunate to have recognised a number of now well established lineages; also we have some data on amino-acids found in the tests of living species (King and Hare, 1972) which range back well into the Neogene. These latter data not only provide us with essential genetic information but they also give us confidence when dealing with the classification of extinct species.So how do we build this evolutionary knowledge into a classification? Clearly, genetically related species can be grouped together into subgenera, and related subgenera into broader genera. In their classification Loeblich and Tappan (1988) held a different view and decided not to use subgenera because (1) their usage produces an unwieldy classification, and (2) lineage concepts change when additional data are collected. If we follow their classification, then when you read about Globorotalia menardii, Globorotalia fohsi and Globorotalia hirsuta you could assume that they are closely related; this is not true. The three species have similar test morphologies but these have resulted from iterative. . .
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  • 16
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    New chitinozoan taxa from the lower Wenlock (Silurian) of the Welsh Borderlands, England (1990)
    Copernicus
    Details
    Publication Date: 1990-07-01
    Description: One new chitinozoan genus, Salopochitina, and three new chitinozoan species Salopochitina bella, Eisenackitina varireticulata and Eisenackitina spongiosa, all of early Wenlock age, are described from two British Geological Survey boreholes at Lower Hill Farm, Shropshire, and Eastnor Park, Hereford and Worcester. The new taxa have short stratigraphical ranges, are relatively abundant, and may be useful for correlation in successions from Wales and the Welsh Borderlands.
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  • 17
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    Size variation of Neogene Reticulofenestra coccoliths from Indian Ocean DSDP Cores (1990)
    Copernicus
    Details
    Publication Date: 1990-07-01
    Description: Data is presented here on Reticulofenestra coccolith size distribution patterns from 122 Mid-Miocene to Pliocene samples from Deep Sea Drilling Project sites in the Western Indian Ocean and Red Sea. A clear pattern is revealed with a dramatic size reduction event occurring in the Late Miocene (nannofossil zone NN10). As a result of this event nannofloras from the interval above it are readily distinguishable by the absence of specimens longer than 5 microns; this interval is termed the “small Reticulofenestra interval”. Assemblages from above and below this interval contain large specimens but they can be reliably distinguished by different size distribution patterns within them. Analogous data from other studies is reviewed, possible causes of the pattern are discussed, and its biostratigraphic application described. The Neogene taxonomy of the genus Reticulofenestra is revised and four new combinations are proposed.
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  • 18
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    New palynological data on the age of the Kiltorcan Flora of Co. Kilkenny, Ireland (1990)
    Copernicus
    Details
    Publication Date: 1990-07-01
    Description: The age of the fossil flora found in the Kiltorcan Formation of Co. Kilkenny has been disputed for many years, with no datable miospore assemblage ever being extracted from the plant beds due to the preservation. New exposure on Kiltorcan Hill, and experimentation with palynological techniques has allowed the extraction of two miospore assemblages. The palynological data studied shows that the strata on Kiltorcan Hill straddles the Devonian/Carboniferous Boundary; A Devonian LE Miospore Biozone assemblage has been examined from a plant bed with Cyclostigma kiltorkense whilst a Carboniferous VI Miospore Biozone date was determined for a plant bed with Lepidodendropsis sp., and? Rhacophyton. The topmost occurrence of Cyclostigma kiltorkense is unknown but it is certainly very near to the Devonian/ Carboniferous Boundary. The use of Cyclostigma kiltorkense as an index fossil for the uppermost Devonian is therefore not precluded.
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  • 19
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    Ontogenetic changes in the ostracod Cytherella cf. ovata Roemer, from the Cenomanian of Algeria (1990)
    Copernicus
    Details
    Publication Date: 1990-07-01
    Description: about 200 right valves of Cytherella cf. ovata Roemer, were selected from a single sample of Cenomanian age (northeastern Algeria). The material can be subdivided into two parallel ontogenetic series which were quantitatively investigated by linear regression and eigenshape analysis. The corresponding growth stages of the two series are differentiated by size, growth rate, and, to a lesser extent, by shape. The relationship between the two series are discussed mainly in terms of seasonal variation in the environment.
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  • 20
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    Radiolarians and Diatoms from the mid-Cretaceous Successions of the Sergipe Basin, Northeastern Brazil: palaeoceanographic Assessment (1990)
    Copernicus
    Details
    Publication Date: 1990-07-01
    Description: Radiolarians and diatoms are documented for the first time from the mid-Cretaceous succession of the Sergipe Basin, a passive marginal basin in northeastern Brazil. Prevailing palaeoceanographic conditions are inferred for the episodes of siliceous radiolarian and diatom biomineralization/preservation. Radiolarian faunas are first recorded in the middle to upper Albian, from scattered occurrences, and subsequently throughout most of the Cenomanian-Turonian succession. Spumellarian forms are dominant in all the sections. Nassellarian forms seem to have thrived in relatively deep-water environments, in middle neritic to upper bathyal pelagic biotopes, and have been recovered from upper Albian and uppermost Cenomanian to middle Turonian sediments. Diatom frustules are only recorded from upper Cenomanian and lower Turonian deposits. These seem to have been more abundant in shallower neritic environments. The onset of the radiolarian assemblages in middle-late Albian times (with waning low-oxygen pelagic conditions) is thought to be a response to better developed oceanic circulation patterns and to a water mass saturated in dissolved silica, perhaps generated by deep-sea volcanic processes in the formation of early oceanic crust and the mid-oceanic ridge in the northern South Atlantic. On the other hand, the record of radiolarian and diatom tests throughout the Cenomanian-Turonian succession is commonly associated with dysaerobic to quasi-anaerobic bottom conditions. This is not only in keeping with high epipelagic primary productivity in well-oxygenated surface waters and that the sea water apparently contained a high level of dissolved silica, but also suggests that the bottom and interstitial waters were enriched in carbon dioxide, had a low pH and slightly negative redox-potential (Eh). The overall conditions would have favoured the biomineralization and post-mortem preservation of siliceous organisms increasing, therefore, the radiolaria+diatom/foraminifera ratio in the sediments, which supports the conclusions of several previous authors.
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  • 21
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    On Lithocodium Elliott (Calcareous algae); its paleobiological and stratigraphical significance (1990)
    Copernicus
    Details
    Publication Date: 1990-07-01
    Description: Lithocodium aggregatum Elliott (with its synonyms, Bacinella irregularis Radoiĉić and Pseudolithocodium carpaticum Miŝík), Radoicicinellopsis sterni (Radoiĉić) and Bacinellacodium calcareus Dragastan are referred to the new subfamily Lithocodioidea of the family Codiaceae (marine, chlorophycean, calcareous algae). The significance which has been ascribed to these taxa by past authors is assessed. Radoicicinellopsis is proposed as a new genus. Lithocodium is redescribed and its diagnosis is emended. The importance of this alga in palaeoenvironmental interpretation and fossil hydrocarbon accumulation is noted.
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  • 22
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    The status of Rotalia Lamarck (Foraminifera) and of the Rotaliidae Ehrenberg (1990)
    Copernicus
    Details
    Publication Date: 1990-07-01
    Description: One damaged specimen remains in the Lamarck Collection, Geneva, from the original type series of Rotalia trochidiformis (Lamarck) the remainder of which was included in the Defrance Collection in Caen, all of which was destroyed in World War II. Restudy of this sole remaining paralectotype, together with topotypes and other material held in the British Museum (Natural History) has revealed the morphological changes that occur with ontogeny in this species and has made an emended generic diagnosis necessary. In the adult, R. trochidiformis develops open septal canals with a tributary system of secondary and tertiary fissures by resorption and a dense mass of vertical pillars which effectively destroy the umbilical cover plate seen in the juvenile. The septal canals connect with the umbilical canal via supplementary apertures and with vertical canals between the umbilical pillars. They also connect with the foraminal passage via subsutural canals. The idea the Rotalia should be reassigned to the Discorbidae is rejected and the integrity of the Rotaliidae is affirmed.
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  • 23
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    On Everticyclammina Redmond (Foraminifera), especially E. kelleri (Henson) (1990)
    Copernicus
    Details
    Publication Date: 1990-07-01
    Description: Everticyclammina kelleri (Henson) (= E. eccentrica Redmond and E. elegans Redmond), a Berriasian-Valanginian index in the Middle East, is descended from the Late Jurassic Tethyan E. praekelleri sp.nov, a species which probably had its ancestry in Late Jurassic Ammobaculites sp. From this ancestor also evolved E. virguliana, and, in the Middle East, its Early Cretaceous descendants E. hensoni Redmond, E. contorta Redmond and E. greigi (Henson), which themselves formed the ancestry of the Albian Hemicyclammina whitei (Henson) and the Tethyan Albian - Cenomanian index H. sigali (Maync). Another, independent lineage from Ammobaculites, Buccicrenata hedbergi (Maync) (= B. libyca Gohrbandt) to B. subgoodlandensis (Vanderpool), transglobal in the Barremian - Cenomanian, is distinguished.
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  • 24
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    Quartäre kalkige Äolianite von N-Menorca (Balearen, westliches Mittelmeer) (1990)
    Copernicus
    Details
    Publication Date: 1990-01-01
    Description: Vom Norden der Insel Menorca (Balearen, westliches Mittelmeer) werden drei Serien von kalkigen Äolianiten beschrieben. In ihrer petrographischen Zusammensetzung unterscheiden sich Proben aus der älteren von solchen aus den beiden jüngeren Serien aufgrund des fast völligen Fehlens von silikatischen Mineralen und Gesteinsresten sowie — innerhalb der Biogene — durch ein Vorherrschen von Schalen von Foraminiferen gegenüber Resten von Kalkalgen. Vermutlich entstanden die Jüngsten Äolianite während des letzten Glazials, während die Jüngeren in das frühe Pleistozän und die Älteren an den Übergang Pliozän/ Pleistozän gestellt werden müssen. Damit wird deutlich, daß es offenbar auf den Balearen nicht regelmäßig in jedem Glazial zur Bildung von Äolianiten gekommen ist.
    Print ISSN: 0424-7116
    Electronic ISSN: 2199-9090
    Topics: Geosciences , History
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  • 25
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    Die Kombination geomorphologischer und prähistorischer Arbeitsmethoden bei der Lösung paläo-geographischer Fragen in der Eastern Desert Ägyptens (1990)
    Copernicus
    Details
    Publication Date: 1990-01-01
    Description: Die nördliche Eastern Desert Ägyptens ist gekennzeichnet durch eine Vielzahl flächenhaft verbreiteter, teilweise ineinandergreifender Systeme von Fußflächen und Wadisedimenten. Bei der Suche nach Möglichkeiten einer relativen Datierung von Entstehung und Entwicklung dieser Geländeformen kommt dem Zusammenwirken prähistorischer und geomorphologischer Arbeitsmethoden eine besondere Bedeutung zu. Beispielhaft für die geomorpho-dynamischen Prozesse dieses Raumes während der letzten 30.000 Jahre werden hier Ergebnisse aus dem Bereich des Wadi Deir an der Südost-Abdachung des Gebel-Galala-el-Qibliya vorgestellt. Innerhalb dieses Untersuchungsgebietes konnten prähistorische Besiedlungsspuren aus mittelpaläolithischer, neolithischer und protohistorischer Zeit nachgewiesen werden. Dabei handelt es sich meist um Oberflächenfunde von Werkzeugen oder Werkplätzen sowie um Felsgravierungen. Darüberhinaus weisen Sinterdatierungen auf die Existenz einer klimatischen Gunstperiode um etwa 26.000 B.P. hin und 14C-Datierungen verschiedener Holzkohlehorizonte aus einem in jüngeren Wadisedimenten ausgebildeten Abri belegen hier menschliche Besiedlung zwischen 3.600 und 1900 B.C.
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  • 26
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    Das Quartärprofil von Hagelstadt im Bayerischen Tertiärhügelland (1990)
    Copernicus
    Details
    Publication Date: 1990-01-01
    Description: Am Nordrand des Bayerischen Tertiärhügellandes liegt in der Nähe von Regensburg das mächtige Quartärprofil der Ziegeleigrube von Hagelstadt, mit seinen acht Böden interglazialen Typs das vielgliedrigste Lößprofil Südbayerns. Die fossilen Böden sind Parabraunerden bzw. Pseudogley-Parabraunerden, die aus Lössen und Staublehmen hervorgingen, welche in den pleistozänen Kaltzeiten am Rand eines Plateaus über dem Donautal abgelagert wurden. Geologischer und pedologischer Aufbau des Profils werden eingehend beschrieben und dessen Einordnung in die Pedostratigraphie Mitteleuropas versucht.
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  • 27
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    Der Saiga-Fund von Pahren. Ein Beitrag zur Kenntnis der paläarktischen Verbreitungsgeschichte der Gattung Saiga GRAY 1843 unter besonderer Berücksichtigung des Gebietes der DDR (1990)
    Copernicus
    Details
    Publication Date: 1990-01-01
    Description: Ausgehend von einer knappen Darstellung zur Geschichte der Erforschung fossiler Saiga-Reste auf dem Gebiet der DDR wird das bisher vorliegende Fundgut aufgeführt und durch die Beschreibung eines vermutlich letztglazialen Schädelfragmentes von Pahren bei Zeulenroda (Bezirk Gera) ergänzt. Ein Vergleich des Fossils mit entsprechenden Funden Eurasiens führt zur Unterscheidung vorläufiger Formengruppen. Offene taxonomische Probleme werden aufgezeigt. Die regionale Verbreitung fossiler Saiga-Nachweise in der DDR spiegelt den einstigen Verbreitungsraum der Gattung aus taphonomischen und forschungsgeschichtlichen Gründen nicht repräsentativ wider. Die Besiedlung der durch Funde gekennzeichneten Gebiete ist vegetationsgeschichtlich und unter Einbeziehung von Rezentbeobachtungen erklärlich. Es schließt sich ein kurzer Überblick zur bisher bekannten Verbreitungsgeschichte der Gattung Saiga im paläarktischenRaum an.
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  • 28
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    Gliederung und Thermolumineszenz-Chronologie der Würmlösse im Raum Regensburg (1990)
    Copernicus
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    Publication Date: 1990-01-01
    Description: Die seit dem Jahre 1984 gesammelten Befunde zur Würm-Löß-Gliederung im Raum Regensburg werden mit dem vorliegenden Beitrag anhand ausgewählter Profile zusammenfassend dargestellt und mit den Gliederungen von Brunnacker (1982) und Schellmann (1988) verglichen. Auf der Grundlage von 11 Thermolumineszenz-Datierungen und drei 14C-Datierungen wird eine Korrelation mit der Pedostratigraphie des Würms in Mittel- und Osteuropa diskutiert. Der Bildungszeitraum der „Mosbacher Humuszonen" während des Altwürms ist im Untersuchungsgebiet mit einem TL-Alter von 74 +/- 7,4 ka vor heute im Bereich des humosen Abschnittes der „Basisfließerde" im Sinne von BRUNNACKER (1982) erfaßt. Der Übergang von solifluidaler Umlagerung zu verstärkter Lößsedimentation findet im Raum Regensburg im Verlauf des frühen Mittelwürms um 58 +/- 5 ka vor heute statt. Als „Mittelwürm-Boden" (MW-Boden) wird aus dem Untersuchungsraum ein kräftiger f Bv-Horizont beschrieben, der einer Bodenbildung während des Denekamp-Interstadials zwischen 28 und 30 ka vor heute entspricht, die möglicherweise aber auch noch ältere mittelwürmzeitlich-interstadiale Phasen der Pedogenese einschließt. Der Jungwürmlöß ist im Raum Regensburg durch drei initiale Verbraunungshorizonte (f Cv-Horizonte) und einen Naßboden („N") gegliedert (Abb. 14). Die älteste TL-datierte jungwürmzeitliche Lößakkumulation erfolgte um 25,4 + / —2,4 ka. Ein bereits nach biostratigraphischen Befunden als spätglazial eingestufter sogenannter „Sumpflöß" wurde mit einem TL-Alter von 16,2 + /—1,5 ka datiert.
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    Large Mammals from the Plio-Pleistocene of Kashmir Inter-mountane Basin, India, with Reference to their Status in Magnetic Polarity Time Scale (1990)
    Copernicus
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    Publication Date: 1990-01-01
    Description: Reste von Großsäugern (Equus, Elephas, Cervus und Canis) aus der plio-pleistozänen Karewa-Formation des Kashmir-Beckens in NW-Indien werden beschrieben. Da die Fossilien aus paläomagnetisch datierten Schichten stammen, kann hier erstmals eine zeitliche Korrelation für das Auftreten der Großsäuger für das Kashmir-Becken gegeben werden. Equus und Cervus erscheinen erstmals vor etwa 2.0 Mio. Jahren, während Elephas und Canis erst in der Brunhes-Epoche belegt sind. Das Auftreten dieser Gattungen wird mit anderen bekannten biochronologischen Sequenzen des Subkontinentes verglichen und kurz auf die Grenzziehung zwischen Plio- und Pleistozän in Nordindien eingegangen.
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    Spätglazial und Holozän auf der Stolzenauer Terrasse im Mittelwesertal (1990)
    Copernicus
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    Publication Date: 1990-01-01
    Description: 1. Der Umschwung vom "braided river" zum mäandrierenden Fluß hat an der Mittelweser bei Stolzenau spätestens während des Alleröds, vielleicht schon während des Böllings stattgefunden. Im Alleröd kam es bereits zur Ablagerung eines Hochflut-/Auelehms durch einen mäandrierenden Fluß. Die großen, mäanderförmigen Paläorinnen auf der Stolzenauer Terrasse sind durchweg im Spätglazial entstanden. Das höhere Niveau der Stolzenauer Terrasse stellt ein Übergangsstadium zwischen der eigentlichen Niederterrasse (durch einen "braided river" aufgeschüttet) und der spätglazialen Stolzenauer Terrasse dar. Das höhere Niveau ist ebenfalls mindestens im Spätglazial entstanden. 2. Bis ins Präboreal hinein kam es in den Rinnen der Stolzenauer Terrasse zur Bildung von Mudden und Torfen. Der Anteil organischer Substanz in den Mudden ist verhältnismäßig hoch. Unterhalb einer Entkalkungstiefe von 2 m enthalten die Mudden um 5% Kalk. Auf den Flächen kam es zu Hochflut-/Auelehmablagerung. Diese ist auf die nähere Umgebung der Paläorinnen begrenzt. 3. Boreal und älteres Atlantikum sind Zeiten relativer Ruhe. Aus diesen Zeiten sind nur wenige Sedimente überliefert, auch die Torfbildung war gering. Im ausgehenden Atlantikum kam es dann zu einer Erosionsphase, in deren Verlauf sich die Weser um etwa 3 m in die Stolzenauer Terrasse eintiefte; die heutige Weseraue entstand. 4. Auf der Stolzenauer Terrasse wurden in den Paläorinnen vom jüngeren Atlantikum bis in die vorrömische Eisenzeit hinein Torfe und Mudden mit hohem Anteil organischer Substanz abgesetzt. Mit der Bronzezeit setzte dann in der Weseraue die Auelehm-Sedimentation ein. Um die Zeitwende herum trat wieder eine Ruhephase ein, und es kam zu einer weiteren, geringfügigen Erosion. 5. Mit dem Beginn des Mittelalters setzte eine starke Sedimentation sowohl in der Aue als auch auf der Stolzenauer Terrasse ein. Während des Mittelalters und teilweise noch in der Neuzeit wurden wesentlich mehr feinklastische Sedimente abgesetzt als in den vorangegangenen Abschnitten des Spätglazials und Holozäns. Der organische Anteil in den Mudden ist gering. Torfbildung ist selten. In den Paläorinnen der Stolzenauer Terrasse kam es, wie auch schon im Subboreal, zu Erosionserscheinungen mit nachfolgender Muddesedimentation. Eine kontinuierliche Auelehmsedimentation fand nur in der Talaue statt. Auf der Stolzenauer Terrasse kam es nur im ausgehenden Mittelalter, bedingt durch außerordentliche Hochwässer, zu einer Auelehmsedimentation in der näheren Umgebung der Rinnen.
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    Jungpleistozäne und holozäne Skelettfunde von Bos primigenius und Bison priscus aus Deutschland und ihre Bedeutung für die Zuordnung isolierter Langknochen (1990)
    Copernicus
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    Publication Date: 1990-01-01
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    Ein mittelpaläolithischer Fundplatz in den Basiskiesen der Emscher-Niederterrasse bei Bottrop/ Westfalen (1990)
    Copernicus
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    Publication Date: 1990-01-01
    Description: Beim Umbau des Rhein-Herne-Kanales zwischen 1956 und 1975 wurde bei Bottrop in den „ Knochenkiesen" an der Basis der Emscher-Niederterrasse ein Siedlungsplatz des pleistozänen Menschen vom Bagger erfaßt. Bei dem Inventar des Platzes handelt es sich kulturell um ein Jungacheuléen, eine durch Faustkeile und blattförmige Schaber gekennzeichnete Formengruppe. Bis heute ist das Alter dieser Formengruppe (vorletzte oder frühe letzte Kaltzeit) im westlichen Mitteleuropa der Kernpunkt einer Kontroverse, entzündet am wichtigsten Jungacheuléen-Fundplatz Nordwestdeutschlands, Salzgitter-Lebenstedt (Tode 1982). Das in Bottrop reichlich erhaltene Zahnmaterial von Mammuthus trogontherii eröffnete die Möglichkeit, mit naturwissenschaftlichen Datierungsmethoden dieser Frage nachzugehen. Daran geknüpft ist der Versuch einer chronologischen Einstufung der Basiskiese der Emscher-Niederterrasse, deren Einordnung, meist in das frühe Weichselglazial, ebenfalls umstritten ist.
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    Geschiebetransport im kanadischen und europäischen Inlandeis—ein Vergleich (1990)
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    Publication Date: 1990-01-01
    Description: In Nordamerika und Fennoskandia gilt Lokaltransport des Glaziärmaterials über wenige km bis 10er km als die Norm; dies nutzt die Erzprospektion. In Norddeutschland und angrenzenden Gebieten dagegen wird Ferntransport bis über 1000 km als normal angesehen; das über große Strecken homogenisierte Moränenmaterial ermöglicht Geschiebezählungen für stratigraphische Zwecke. Diese grundverschiedenen Verhältnisse galt es zu untersuchen und zu erklären. Es wurden in Kanada 3 Untersuchungsgebiete ausgewählt: Südliches Ontario; ein Profil im mittleren Ontario vom Huron-See bis südlich der Hudson-Bay und ein Profil vom W-Ende derselben durch Manitoba ins südliche Saskatchewan. In Ontario und im südlichen Umfeld der Hudson-Bay bestätigt sich der weitgehend lokale Transport, was vermutlich auf die Reliefverhältnisse zurückzuführen ist und daß über der Hudson-Bay im Gegensatz zur Ostsee zumindest zur letzten Kaltzeit kein zentraler „Eisdom" existierte. Im südlichen Sakatchewan und angrenzenden Manitoba dagegen sind die Geschiebe überwiegend Fernmaterial, mindestens 500 km weit vom Keewatin-Vereisungszentrum westlich der Hudson-Bay her transportiert, wahrscheinlich zunächst inglazial wie in Europa. In Gebieten mit überwiegendem Ferntransport ist Prospektion wenig erfolgversprechend; die Kenntnis des Geschiebetransportes ist daher Voraussetzung für die Anwendung der Geschiebestatistik. Einige mögliche Leitgeschiebe-Typen werden vorgestellt.
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    Zum landschaftsökologischen Zusammenhang von rhenanischer Flußgeschichte und jungpleistozänem Lößaufbau in SW-Deutschland (1990)
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    Publication Date: 1990-01-01
    Description: Die Deckschichten des Kraichgaus und angrenzender Gäulandschaften im rhenanisch geprägten Südwestdeutschland werden im wesentlichen durch zwei mächtige Lösse gebildet, die durch die Relikte des Eem-Bodens getrennt sind. Es wird die These formuliert, daß dieser charakteristische Aufbau eine Folge des Abflußaufkommens des jungpleistozänen Rheins ist. Im Verlauf des Pleistozäns wurden phasenweise immer größere Bereiche des Rheingletschers rheintributär und erst im vorletzten Glazial (Riß) bestand die Möglichkeit, zusammen mit den Abflüssen des Aaregletschers derart große Schluffmassen in den Oberrheingraben zu transportieren, daß durch ihre Verwehung in den Beckenlandschaften Nord-Baden-Württembergs mächtige, flächendeckende Lösse aufgebaut werden konnten. Die These wird gestützt durch die Stratigraphie der oberrheinischen Grabenfüllung. Sie erklärt nicht nur das verbreitet mächtige Auftreten von lediglich zwei (jungpleistozänen) Lössen, sondern auch die Tatsache, daß die fluvialen Talsedimente im Kraichgau prärißzeitlich als Folge des früher geringeren Lößaufbaus durch Kiese gekennzeichnet sind. Die „Lößlandschaften" mit ihrer eigenständigen Geoökodynamik sind daher recht junge Gebilde und bieten die Möglichkeit, das Quartär in N-Baden-Württemberg landschaftsökologisch neu zu gliedern; in einen prälößzeitlich altquären und in einen durch die Deckenschichten geprägten, jungquartären Zeitraum.
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    Der Sandlöß in der Umgebung von Bergen Krs. Celle - Verbreitung, Zusammensetzung und Entstehung (1990)
    Copernicus
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    Publication Date: 1990-01-01
    Description: Das Sandlößgebiet um Bergen Krs. Celle erstreckt sich über 15 km in WNW—ESE-Richtung und etwa 12 km in NNE—SSW-Richtung, von der Falken-Berg-Endmoräne im W bis an das Tal der Örtze im E. Der Sandlöß erreicht eine Mächtigkeit von ca. 3,1 m. Sie ist am größten im äußersten NW des Verbreitungsgebietes. Ein Streifen mit über 2 m mächtigem Sandlöß begleitet den N-Rand des Verbreitungsgebietes. Nach S hin nimmt die Mächtigkeit ab. Die obersten 0,7—0,9 m des Sandlösses sind ungeschichtet und weisen vielfach Wühlspuren auf. Ist er weniger mächtig als 0,7—0,9 m, enthält er einzelne Geschiebe bzw. Gerölle. Geht die Mächtigkeit darüber hinaus, ist der untere Teil sandstreifig, der obere Teil frei von Geröllen bzw. Geschieben. Je geringer die Mächtigkeit, um so geringer ist der Anteil an Feinmaterial und umso höher der Sandanteil. Der Sandlöß war ursprünglich durchweg geschichtet. Bioturbation und Kryoturbation haben ihn bis zu etwa 0,7 bis 0,9 m Tiefe entschichtet und, wenn die Mächtigkeit nicht über dieses Maß hinausging, mit Material aus dem Liegenden vermischt. Die Lage des Sandlößgebietes, seine Nachbarschaft zu Flugsandfeldern im N, die Verzahnung von Sandlöß mit Flugsand und die Mächtigkeitsverteilung sprechen für nordwestliche und nördliche bis nordöstliche Winde zur Zeit der Sandlöß-Entstehung.
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    Les demeures de Hermann Hesse : essai de géographie existentielle (1990)
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    Publication Date: 1990-03-31
    Description: The article deals with the successive home of Hermann Hesse (1877–1962), a German writer made Swiss Citizen. Abiographic and existential method is applied to investigate the places of dwelling of the poet, in relationship with lived space appearing in his autobiographic and imaginative literature.
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    Einleitung zu diesem Heft mit kartographischem Schwerpunkt (1990)
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    Publication Date: 1990-06-30
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    Aus der Entwicklungsgeschichte der Wetterkarte (1990)
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    Publication Date: 1990-09-30
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  • 39
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    La notion de paysage-type (1990)
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    Publication Date: 1990-03-31
    Description: Type landscapes are often used in Geography – in teaching as well as in research –, although the term has not yet been generally discussed. The term of landscape itself is rather controversial, its use is sometimes carefully avoided. This paper is a contribution to the discussion dealing with a choice of aspects covered by the litterature in French, in German and in English. However, the problem of the typology of landscapes cannot be left out, as a type landscape can only set an example or represent a landscape type.
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    Geographische Informationssysteme : eine Einleitung (1990)
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    Publication Date: 1990-12-31
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  • 41
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    L'utilisation des SIG dans la modélisation en hydrologie de surface (1990)
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    Publication Date: 1990-12-31
    Description: From a methodological point of view, hydrological modelling appears to offer a great potential for spatial analysis. However among classes of models, only physical models consider the spatial dimension as a variable. The topography and the land cover are the two major spatial components involved in that type of models. The production of a relevant DTM requires the use of iterative interpolation procedures. Land cover and its changes can be monitored and entered into modelling from remote sensing images through a normalized Vegetation index. The GIS approach can be integrated at different levels within hydrological modelling, with object oriented GIS seen as the highest level.
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  • 42
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    Neuere Ansätze zu Frauen und "Wohnumfeld" im städtischen Raum (1990)
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    Verarbeitung und Anwendung digitaler Geländemodelle im Bereich der Geographie (1990)
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    Publication Date: 1990-12-31
    Description: Digital terrain models (DTMs) today are a major component of geographie information Systems (GIS). They support the analysis and display of phenomena related to the topography of the earth's surface. Thus, DTMs are mainly used in the environmental sciences and in natural resources management, as well as in engineering and planning applications. This article intends to present an introduction and overview of the techniques of digital terrain modeling and their application in GIS. DTM processing is regarded as a sub-system of a GIS, with a range of functions similar to that ofthe main System, yet utilizing specific tools (i. e. algonthms and data structures) tailored to the particular requirements of surface models. Following a brief review of the components of a DTM System some examples of applications of DTMs will be presented. The article is concluded with a discussion of major directions for future research.
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    Einsatz eines Geographischen Informationssystems zur Untersuchung der Verbreitung einer Rinderkrankheit in Afrika (1990)
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    Publication Date: 1990-12-31
    Description: East Coast fever (ECF)kills hundreds of thousands of cattle in Eastern, Central and Southern Africa each year. To focus safe and cost-effective disease control programmes, the distribution of cattle and buffalo, the main hosts of the disease, as well as the present and potential distribution of the tick which carries ECF have to be considered. Maps of the relevant Parameters describing the present Situation of ECF were digitized by the United Nations Environment Programme in Nairobi in conjunction with the International Laboratory for Research On Animal Disease. Potentially suitable areas for the tick were determmed by interpolating and modeling data from meteorological stations – using altitude information to improve the results of the interpolation – and incorporating satellite derived Vegetation data. By comparing the map of potential areas with the present distribution of ECF, tick and host, critical regions may be identified, where the disease is not yet present, but into which it could spread.
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  • 45
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    Landschaftsveränderungen, kartographisch dargestellt : das Kartenpaar "Ronco" aus dem Atlas der Schweiz als Beispiel (1990)
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    Publication Date: 1990-06-30
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  • 46
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    Le Columbia Icefield et le Glacier Althabasca (Rocheuses Canadiennes) : la géomorphologie glaciaire au service du tourisme (1990)
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    Publication Date: 1990-09-30
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  • 47
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    Einleitende Gedanken zum folgenden Artikel von Stephanie Stern : Arbeitskreis "Feministische Geographie" (1990)
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  • 48
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    Interne und externe Faktoren der Verschuldung Mexikos (1990)
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  • 49
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    Vom verhindernden zum gestaltenden Umweltschutz : Perspektiven für eine integrale Umweltschutzpolitik im Alpenraum der neunziger Jahre (1990)
    Copernicus
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    Publication Date: 1990-09-30
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  • 50
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    Die Karte als Darstellungsmittel geographischer Ergebnisse : über das enge Verhältnis von Geographie und Kartographie (1990)
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  • 51
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    Didaktik der Geographie : Wissenschaft aus eigenem Recht oder Anhängsel der Geographie? (1990)
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    Publication Date: 1990-03-31
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  • 52
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    Hydrologischer Atlas der Schweiz : ein erster Bericht (1990)
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    Didaktik der Geographie : Wissenschaft aus eigenem Recht oder Anhängsel der Geographie (1990)
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    Publication Date: 1990-03-31
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  • 54
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    Optimale Methoden zur Interpolation von Umweltvariablen in Geographischen Informationssystemen (1990)
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    Publication Date: 1990-12-31
    Description: In Geographie Information Systems there are many applications where the objeets of study can only be described by sampling information at selected point locations and by subsequent interpolation. Quite often inappropriate methods are used for the interpolation of sparse environmental data which do not take into account the characteristics of the data themselves. This paper presents the case for more widely using Kriging-methods in environmental data approximation. It gives a short theoretical overview of Kriging and the interpretation of variograms and goes on with a discussion of more advanced concepts (Co-Kriging, disjunetive Kriging), some examples and the Illustration of the use of Kriging within a GIS environment.
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    Electronic ISSN: 2194-8798
    Topics: Ethnic Sciences , Geography
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  • 55
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    Telematik : eine Gefahr für die Wirtschaft peripherer Räume? (1990)
    Copernicus
    Details
    Publication Date: 1990-09-30
    Print ISSN: 0016-7312
    Electronic ISSN: 2194-8798
    Topics: Ethnic Sciences , Geography
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  • 56
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    Entsteht eine schweizerische Tradition von Humanökologie? Zum Buch "Mensch und Natur im alpinen Lebensraum" von Paul Messerli (1990)
    Copernicus
    Details
    Publication Date: 1990-09-30
    Print ISSN: 0016-7312
    Electronic ISSN: 2194-8798
    Topics: Ethnic Sciences , Geography
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  • 57
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    Thematische Karten als Grundlage der ländlichen Entwicklung in Äthiopien (1990)
    Copernicus
    Details
    Publication Date: 1990-06-30
    Description: Äthiopiens Probleme der Ressourcenübernutzung, der Unterentwicklung, der Anfälligkeit für Hungersnöte und der regionalen Konflikte sind auf seine gebirgige Lage, seine agroökologische Vielfalt, sein kulturgeschichtliches Alter und die Einflüsse von außen zurückzuführen. Viele gutgemeinte Entwicklungsbemühungen scheitern zudem an mangelnder räumlicher Information als Planungsgrundlage. Die nationalen und internationalen Bemühungen zur Beseitigung dieses Engpasses, mit besonderer Berücksichtigung topographischer und thematischer Karten als Grundlage ländlicher Entwicklung, werden in diesem Artikel angesprochen.
    Print ISSN: 0016-7312
    Electronic ISSN: 2194-8798
    Topics: Ethnic Sciences , Geography
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  • 58
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    Geographische Nachwuchsforscher in der Schweiz (1990)
    Copernicus
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    Publication Date: 1990-06-30
    Print ISSN: 0016-7312
    Electronic ISSN: 2194-8798
    Topics: Ethnic Sciences , Geography
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  • 59
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    Science historique et protection du patrimoine : de nouveaux concepts à la base de la carte d'inventaire IVS (1990)
    Copernicus
    Details
    Publication Date: 1990-06-30
    Description: Seit 1984 entsteht auf der Grundlage des Natur- und Heimatschutzgesetzes ein vom Bund in Auftrag gegebenes «Inventar historischer Verkehrswege der Schweiz» (IVS). Das Aufnehmen von isolierten Einzelobjekten (Hohlwege, Distanzsteine usw.) hat sich dabei schnell als ungenügend erwiesen, wird es doch den Bedürfnissen des heutigen Landschaftsschutzes nicht gerecht. Vielmehr gilt es, das historische Verkehrsnetz zu untersuchen und ganze, durchgehende Verbindungen in die künftigen Planungen einzubeziehen. Aber diese Art von Heimatschutz ist aus einer neuen Geländewissenschaft hervorgegangen. Der Begriff des Heimatschutzes und jener der wissenschaftlichen Forschung sind darin untrennbar verbunden. Der Autor beschreibt Vorarbeiten aus der Westschweiz, die zusammen mit Erfahrungen aus anderen Gebieten zur Erstellung der Inventarkarte des IVS geführt haben. Die Inventarkarte ist vor allem auf die Bedürfnisse ihrer Benutzer, insbesondere der Raumplaner, ausgerichtet. Sie liefert nicht eine Sammlung von Objekten einer überprägten Vergangenheit, sondern zeigt die historischen Wurzeln des aktuellen, bestehenden Wegnetzes. Die schutzwürdigen Strecken sind gemäß Natur- und Heimatschutzgesetz in die drei Kategorien von nationaler, regionaler und lokaler Bedeutung eingeteilt.
    Print ISSN: 0016-7312
    Electronic ISSN: 2194-8798
    Topics: Ethnic Sciences , Geography
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  • 60
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    Jungpleistozäne und holozäne Skelettfunde von Bos primigenius und Bison priscus aus Deutschland und ihre Bedeutung für die Zuordnung isolierter Langknochen (1990)
    Copernicus
    Details
    Publication Date: 1990-01-01
    Description: Drei Auerochsenskelette (Bos primigenius) und ein Bisonskelett (Bison priscus) aus dem Jungpleistozän bzw. Holozän Deutschlands werden osteologisch beschrieben. Gattungsunterschiede an den Langknochen werden an den mit Hilfe des Schädels sicher bestimmten Skelettfunden auf ihre Zuverlässigkeit hin überprüft. In die Untersuchung wird Vergleichsmaterial von Bos primigenius und Bison priscus aus dem Pleistozän von England sowie von Bison div. sp. aus Nordamerika einbezogen. Schlüsselmerkmale für eine Unterscheidung von Bos primigenius und Bison priscus existieren nicht. Die in einer früheren Arbeit an Material aus den Schottern der nördlichen Oberrheinebene (Martin 1987) ausgearbeiteten Merkmalskombinationen konnten als brauchbar bestätigt werden, wobei sich erneut zeigte, daß sehr zierliche Knochen in ihren Merkmalsausprägungen abweichen können. Die Unterscheidungsmerkmale lassen sich generell auch auf den nordamerikanischen Bison antiquus und Bison bison erfolgreich anwenden, sofern die Knochen in derselben Größenklasse wie die von Bison priscus liegen.
    Print ISSN: 0424-7116
    Electronic ISSN: 2199-9090
    Topics: Geosciences , History
    Published by Copernicus on behalf of Deutsche Quartärvereinigung.
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  • 61
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    (Table 10) Ranges of benthic foraminifers through the Oligocene in DSDP Hole 24-238 (1990)
    PANGAEA
    Details
    Publication Date: 2023-07-09
    Keywords: 24-238; Abundance estimate; Anomalinoides sp.; Bolivina cancellata; Bolivina cf. pulchra; Bolivina tectiformis; Bulimina alazanensis; Bulimina macilenta; Bulimina miolaevis; Bulimina semicostata; Buliminella sp.; Cassidulina cf. laevigata; Cassidulina crassa; Cibicides trincherasensis; Cibicidoides haitiensis; Cibicidoides havanensis; Cibicidoides praemundulus; Deep Sea Drilling Project; Dentalina consobrina; Discorbis vilardeboanus; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Eggerella bradyi; Epistominella exigua; Epoch; Foraminifera, benthic preservation; Globocassidulina subglobosa; Glomar Challenger; Gyroidinoides altispirus; Gyroidinoides girardana; Gyroidinoides planulatus; Heterolepa grimsdalei; Indian Ocean//FRACTURE ZONE; Karreriella chapapotensis; Leg24; Lenticulina vortex; Martinottiella cojimarensis; Nannofossil zone; Nuttallides umbonifera; Oridorsalis umbonatus; Orthomorphina rohri; Osangularia mexicana; Planktic foraminifera zone; Pleurostomella sp.; Pleurostomella subcylindrica; Pullenia bulloides; Pullenia eocenica; Pullenia quinqueloba; Sample code/label; Siphonodosaria modesta; Siphotextularia sp.; Species richness; Stilostomella gracillima; Stilostomella lepidula; Stilostomella marginata; Stilostomella nuttalli; Stilostomella subspinosa; Trifarina pigmea; Uvigerina pigmaea; Uvigerina semivestita
    Type: Dataset
    Format: text/tab-separated-values, 1100 data points
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  • 62
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    (Table 18) Ranges of benthic foraminifers through the Neogene in DSDP Hole 23-219 (1990)
    PANGAEA
    Details
    Publication Date: 2023-07-09
    Keywords: 23-219; Anomalinoides semicribratus; Bolivina cf. pulchra; Bolivina pseudogemma; Bolivina pusilla; Bolivina robusta; Bolivina subreticulata; Bolivinita quadrilatera; Bulimina alazanensis; Bulimina cf. aculeata; Bulimina macilenta; Bulimina miolaevis; Bulimina semicostata; Bulimina striata; Buliminella sp.; Cassidulina laevigata; Cassidulinidae taxa; Chrysalogonium equisetiformis; Cibicides lobatulus; Cibicides wuellerstorfi; Cibicidoides bradyi; Cibicidoides cf. ungerianus; Cibicidoides cicatricosus; Cibicidoides kullenbergi; Deep Sea Drilling Project; Dentalina consobrina; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Eggerella bradyi; Ehrenbergina trigona; Epistominella exigua; Epoch; Foraminifera, benthic, epifaunal; Foraminifera, benthic, infaunal; Foraminifera, benthic preservation; Foraminifera, benthic reworked; Frondicularia sp.; Gaudryina sp.; Globocassidulina subglobosa; Glomar Challenger; Gyroidinoides altiformis; Gyroidinoides neosoldanii; Gyroidinoides pennatulus; Gyroidinoides planulatus; Hanzawaia cushmani; Heterolepa rugosa; Hoeglundina elegans; Indian Ocean/Arabian Sea/RIDGE; Karreriella bradyi; Karreriella subrotunda; Laticarinina pauperata; Leg23; Lenticulina vortex; Martinottiella variabilis; Melonis affinis; Melonis barleeanus; Melonis pacificum; Miliolids sp.; Nannofossil zone; Nodosaria stiliformis; Nuttallides umbonifera; Oridorsalis umbonatus; Orthomorphina perversa; Osangularia bengalensis; Osangularia culter; Planktic foraminifera zone; Planulina ariminensis; Planulina renzi; Pleurostomella alternans; Pleurostomella bierigi; Pleurostomellid taxa; Pullenia bulloides; Pullenia quinqueloba; Pyrgo murrhina; Rectuvigerina striata; Rotalia translucens; Sample code/label; Saracenaria triangulata; Sigmoilopsis schlumbergeri; Siphogenerina multicostata; Siphonodosaria modesta; Siphotextularia catenata; Species richness; Sphaeroidina bulloides; Spiroplectammina spinosa; Stilostomella insecta; Stilostomella lepidula; Stilostomella marginata; Stilostomella subspinosa; Textularia flintii; Textularia lythostrata; Trifarina pigmea; Uvigerina auberiana; Uvigerina hispida; Uvigerina hispidocostata; Uvigerina proboscidea; Vulvulina spinosa
    Type: Dataset
    Format: text/tab-separated-values, 1315 data points
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  • 63
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    (Table 2) Mineral composition of size fraction 0.1-0.05 mm from surface sediments of the Transatlantic section (1990)
    PANGAEA
    Details
    Publication Date: 2023-07-07
    Keywords: AK43-4834; AK43-4893; AK43-4896; AK43-4898; AK43-4904; AK43-4906; AK43-4907; AK43-4910; Akademik Kurchatov; AKU43; Archive of Ocean Data; ARCOD; Argentinian Basin; Black ore; Calculated; Cape Basin; Clinopyroxene; Counting, Stereo Microscope; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elevation of event; Epidote; Event label; Feldspar; Grab; GRAB; Hornblende, common; Iron-manganese hydroxides; Latitude of event; Longitude of event; Micronodules; Orthopyroxene; Palagonite; Plagioclase, acid; Plagioclase, basic/middle; Quartz; Quartz/Feldspar ratio; Rio Grande Rise; South Atlantic Ridge; Volcanic glass, acidic; Zeolite
    Type: Dataset
    Format: text/tab-separated-values, 96 data points
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  • 64
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    (Table 7) Ranges of benthic foraminifers through the Oligocene in DSDP Hole 26-253 (1990)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 26-253; Anomalinoides alabamensis; Anomalinoides aragonensis; Anomalinoides semicribratus; Bolivina tectiformis; Bulimina alazanensis; Bulimina cf. glomarchallengeri; Bulimina macilenta; Bulimina mexicana; Bulimina miolaevis; Bulimina semicostata; Cassidulina cornuta; Chrysalogonium equisetiformis; Cibicidoides cf. ungerianus; Cibicidoides havanensis; Cibicidoides praemundulus; Cibicidoides trincherasensis; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Epistominella exigua; Epoch; Foraminifera, benthic preservation; Globocassidulina subglobosa; Glomar Challenger; Gyroidinoides altispirus; Gyroidinoides girardana; Gyroidinoides planulatus; Hanzawaia cushmani; Heterolepa mexicana; Indian Ocean//RIDGE; Laticarinina bullbrooki; Leg26; Lenticulina vortex; Marginulina sp.; Martinottiella cojimarensis; Nannofossil zone; Nuttallides umbonifera; Oridorsalis umbonatus; Orthomorphina perversa; Orthomorphina rohri; Osangularia mexicana; Planktic foraminifera zone; Planulina renzi; Planulina sp.; Pleurostomella spp.; Pullenia bulloides; Pullenia eocenica; Pullenia quinqueloba; Sample code/label; Siphonodosaria modesta; Spiroplectammina spinosa; Stilostomella gracillima; Stilostomella nuttalli; Stilostomella subspinosa; Uvigerina spinicostata; Uvigerina spinulosa; Vulvulina spinosa
    Type: Dataset
    Format: text/tab-separated-values, 216 data points
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  • 65
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    (Table 8) Ranges of benthic foraminifers through the Oligocene in DSDP Hole 22-217 (1990)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 22-217; Anomalinoides alazanensis; Bolivina tectiformis; Bolivinopsis gryzbowski; Bulimina consanguinea; Bulimina semicostata; Bulimina sp.; Cibicides laurisae; Cibicidoides haitiensis; Cibicidoides havanensis; Cibicidoides praemundulus; Cibicidoides sp.; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Epoch; Foraminifera, benthic, epifaunal; Foraminifera, benthic, infaunal; Foraminifera, benthic preservation; Globocassidulina subglobosa; Glomar Challenger; Gyroidinoides altispirus; Gyroidinoides girardana; Gyroidinoides planulatus; Hanzawaia cushmani; Heterolepa grimsdalei; Indian Ocean//RIDGE; Leg22; Marginulina sp.; Martinottiella cojimarensis; Nannofossil zone; Nonion havanense; Nuttallides umbonifera; Oridorsalis umbonatus; Orthomorphina perversa; Osangularia mexicana; Planktic foraminifera zone; Pleurostomella alternans; Pleurostomella spp.; Pullenia quinqueloba; Sample code/label; Saracenaria sp.; Species richness; Stilostomella lepidula; Stilostomella nuttalli; Stilostomella subspinosa; Uvigerina havanensis; Vulvulina spinosa
    Type: Dataset
    Format: text/tab-separated-values, 220 data points
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  • 66
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    (Table 1) Stable oxygen carbon isotope ratio of Cibicidoides spp. of DSDP Site 41-366A (1990)
    PANGAEA
    Details
    Publication Date: 2023-07-24
    Keywords: 41-366; 41-366A; AGE; Cibicidoides spp., δ13C; Cibicidoides spp., δ18O; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Event label; Glomar Challenger; Leg41; Mass spectrometer Finnigan MAT 251; North Atlantic/CONT RISE; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 324 data points
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  • 67
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    Observation of manganese deposits in the Kane Fractue Zone of the Mid-Atlantic Ridge (1990)
    PANGAEA
    In:  Supplement to: Karson, Jeffrey A; Rona, Peter A (1990): Block-tilting, transfer faults, and structural control of magmatic and hydrothermal processesin the TAG area, Mid-Atlantic Ridge 26°N. Bulletin of the Geological Society of America, 102(12), 1635-1645, https://doi.org/10.1130/0016-7606(1990)102%3C1635:BTTFAS%3E2.3.CO;2
    Details
    Publication Date: 2023-08-28
    Description: Seven Alvin dives (14 km total) and numerous deep-towed camera traverses using ANGUS and NOAA camera systems provide dense coverage of a 12-km2 portion of the eastern wall of the Mid-Atlantic Ridge in the TAG area (26°N lat.). These data, in conjunction with recent Soviet Mir submersible data, provide important constraints on the tectonic, magmatic, and hydrothermal history of this spreading center segment. Active hydrothermal venting occurs near the junction of the median valley floor and eastern median valley wall and appears to be tectonically controlled by the intersection of major fault zones. An east-west fault-line scarp interpreted as an accommodation zone intersects escarpments associated with 020°-trending (ridge-parallel) normal faults that bound the median valley floor. The accommodation zone permits differential extension and rotation between major crustal blocks to the north and south. On the basis of the distribution of tilted chalk beds and geochemical anomalies in sediments, this fault zone has been intermittently active for at least 5x104 yr. The accommodation zone has apparently provided a conduit of high permeability oriented at a high angle to the ridge axis. Observations and samples from areas surrounding active and inactive vent sites provide evidence for three distinct episodes for hydrothermal outflow driven by separate magmatic events. The geometry of this active system may have implications for the location of hydrothermal systems in active spreading regimes and for massive sulfide exploration in ophiolite terranes.
    Keywords: AL12400; AL12420; AL12430; AL12440; AL12450; AL12460; AL12470; ALV1240; ALV-1240; ALV-1240C; ALV1242; ALV-1242; ALV-1242C; ALV1243; ALV-1243; ALV1244; ALV-1244; ALV1245; ALV-1245; ALV1246; ALV-1246; ALV-1246C; ALV1247; ALV-1247; Alvin; Comment; Deposit type; DEPTH, sediment/rock; Description; Event label; Grab; GRAB; Identification; Mid-Atlantic Ridge; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Photo/Video; Position; PV; Quantity of deposit; Sediment type; Substrate type; Visual description
    Type: Dataset
    Format: text/tab-separated-values, 112 data points
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  • 68
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    (Table 3, Page 417) Table 3. The concentrations of Zn, Cu, Pb, Cd, Ni, Co, Ag, Mn and Fe in a soluble in 1M HCl fraction of ferromanganese nodules of Slupsk Furrow in the southern Baltic sea (1990)
    PANGAEA
    In:  Supplement to: Szefer, Piotr; Szefer, Krystyna (1990): Metals in molluscs and associated bottom sediments of the southern baltic. (Helgoländer Meeresuntersuchungen), Helgoland Marine Research, 44(3-4), 411-424, https://doi.org/10.1007/BF02365477
    Details
    Publication Date: 2023-08-28
    Description: The concentration of Zn, Cu, Pb, Cd, Ni, Co, Ag, Mn, Fe, Ca, Mg, K and Na in molluscs Macoma balthica, Mya arenaria, Cardium glaucum, Mytilus edulis and Astarte borealis from the southern Baltic was determined. The surface sediments and ferromanganese concretions associated with the molluscs were also analysed for concentration of these metals. Species- and region-dependent differences in the metal levels of the organisms were observed. The properties of molluscs analysed which have a tendency toward elevated biological tolerance of selected trace metals were specified. The interelement relationship between metal concentrations in the soft tissue and the shell was estimated and was discussed.
    Keywords: Atomic absorption spectrometry (AAS); Baltic Sea; Cobalt; Cobalt, standard deviation; Copper; Copper, standard deviation; Deposit type; DEPTH, sediment/rock; Description; Dredge; DRG; Identification; Iron; Iron, standard deviation; Lead; Lead, standard deviation; Manganese; Manganese, standard deviation; Nickel; Nickel, standard deviation; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Oceana; Oceana-87; Position; SZEF-B2; Visual description; Zinc; Zinc, standard deviation
    Type: Dataset
    Format: text/tab-separated-values, 34 data points
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  • 69
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    (Table 2) Stable isotope ratios of benthic foraminifera from DSDP Hole 64-480 (1990)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 64-480; Bolivina spp., δ13C; Bolivina spp., δ18O; Buliminella sp., δ13C; Buliminella sp., δ18O; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Glomar Challenger; Leg64; North Pacific/Gulf of California/BASIN; Planulina ariminensis, δ13C; Planulina ariminensis, δ18O; Sample code/label; Uvigerina sp., δ13C; Uvigerina sp., δ18O
    Type: Dataset
    Format: text/tab-separated-values, 396 data points
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  • 70
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    Pollen analysis of sediment profile KOE0 from Königseggsee (1990)
    PANGAEA
    In:  Supplement to: Homann, Marion; Merkt, Josef; Müller, Helmut (1990): Über Alter und Entwicklung des Königseggsees bei Hoßkirch (Oberschwaben). Jahreshefte des Geologischen Landesamts Baden-Württemberg, Freiburg, 32, 247-254, hdl:10013/epic.35165.d001
    Details
    Publication Date: 2023-11-01
    Description: A core from the deepest part of lake Königsegg. near Ostrach (Oberschwaben), has been studied palynologically and lithologically. The core is only 4.6 m long; lacustrine sedimentation began in the Oldest Dryas. The Alleroedian pumice tuff from Laacher See (Eifel) is present. The origin of the lake as a dead ice lake and its limnogeological development are briefly discussed.
    Keywords: Abies; Acer; Acroperus harpae; Alnus; Alona affinis; Alonella nana; Apiaceae apioide-type; Artemisia; Ascomorpha ovalis; Betula; Bosmina sp.; Brassicaceae; Calluna; Camptocercus rectirostris; Carpinus betulus; Caryophyllaceae; Centaurea cyanus; Changes in the Geo-Biosphere during the last 15000 years; Chaoborus flavicans; Chenopodiaceae; Chydorus sphaericus; Coelastrum polychordum; Collotheca sp.; Conochilus unicornis; Corylus; Cosmarium sp.; Counting, palynology; Cynarae; Cyperaceae; Daphnidae mandibles and claws; DEPTH, sediment/rock; Dryopteris; Ephedra distachya-type; Erica tetralix-type; Euastrum sp.; Eurycercus lamellatus; Fagus; Filinia longiseta passa/Filinia hofmanni; Filipendula; Fraxinus; GeoBio15k; Hedera; Helianthemum; Humulus and Cannabis; Juniperus; KOE0; Königseggsee; LakeSedNLfB; Lamiaceae; Nymphaea; Nymphaeaceae: trichome; PC_SM; Pediastrum boryanum ssp. boryanum; Pediastrum boryanum ssp. longicorne; Pediastrum duplex; Pediastrum integrum; Picea; Pinus; Piston corer Streif/Merkt; Plantago lanceolata; Plantago major; Plantago media; Pleuroxus trigonellus; Polypodiaceae; Pteridium; Quercus; Ranunculus subgen. Batrachium-type; Rubiaceae cf. galium; Rumex; Salix; Sampling/drilling in lake; Sanguisorba minor; Secale cereale; Sida crystallina; Sphagnum; Taxus; Thalictrum; Thelypteris palustris; Tilia; Triticum/Hordeum; Tubuliflorae other; Ulmus; Varia
    Type: Dataset
    Format: text/tab-separated-values, 949 data points
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  • 71
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    Pollen profile LAGODEH, Lagodekhi, Georgia (1990)
    PANGAEA
    In:  European Pollen Database (EPD) | Supplement to: Kvavadze, Eliso V; Efremov, Yurii Y (1990): The results of palynogical studies of the Holocene deposites in the highlands of the Lagodekhi Reservation (Eastern Georgia). Bulletin of the Academy of Sciences of the Georgian SSR, 139(3), 641-644, hdl:10013/epic.37432.d001
    Details
    Publication Date: 2023-11-01
    Description: Limno-glacial deposits 110 cm in thickness in the upper alpine belt have been investigated. It is established that during the Yuanakhchiri period of glaciation in the region under study a glacial cirque was situated at an altitude of 2750 m a.s.l. After the glacier retreated, a lake was formed in its bed which existed till the second noticeable cooling in the second half of SA2 (1600-1500 years ago).
    Keywords: Abies nordmanniana; Acer; Alnus; Artemisia; Aster; Betula; Boraginaceae; Botrychium lunaria; Campanula; Carpinus betulus; Carpinus orientalis; Caryophyllaceae; Castanea sativa; Cerealia-type; Chenopodiaceae; Cichorium; Cirsium; Compositae; Corylus; Cyperaceae; DEPTH, sediment/rock; Ephedra; Fagus orientalis; Geraniaceae; Gramineae; Indeterminable: unknown; Juglans regia; Juncus; Knautia; Labiatae; LAGODEH; Lagodekhi, Georgia; Leguminosae; Liliaceae; Onagraceae; Picea orientalis; Pinus; Plantaginaceae; Plumbaginaceae; Polygonaceae; Polypodiaceae undifferentiated; Polypodium vulgare; Pterocarya pterocarpa; Quercus; Ranunculaceae; Rhododendron; Scabiosa; Spade; SPADE; Sparganium; Sphagnum; Taraxacum; Tilia; Ulmus; Umbelliferae; Valeriana; Veronica; Viola
    Type: Dataset
    Format: text/tab-separated-values, 477 data points
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  • 72
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    Unknown
    Benthic foraminiferal assemblages (dead), surface data (1990)
    PANGAEA
    Details
    Publication Date: 2023-11-09
    Keywords: Adercotryma glomeratum; Ammobaculites agglutinans; Ammodiscus spp.; Ammomarginulina ensis; Ammomarginulina foliacea; Ammomarginulina foliacea curvata; Ammoscalaria pseudospiralis; ANT-II/4; ANT-IV/3; ANT-V/4; ANT-VI/3; Astrononion antarcticus; Astrononion echolsi; Astrorhiza sp.; Atka Bay; AWI_Paleo; Bulimina aculeata; Camp Norway; Cassidulina crassa rossensis; Cibicides bertheloti; Cibicides corpulentus; Cibicides grossepunctatus; Cibicides lobatulus; Cibicidoides cf. wuellerstorfi; Cibicidoides spp.; Counting 〉125 µm fraction; Cribrostomoides crassimargo; Cribrostomoides jeffreysii; Cribrostomoides sp.; Cribrostomoides subglobosum; Cyclammina orbicularis; Cyclammina pusilla; Cyclammina trullisata; DEPTH, sediment/rock; Eastern Weddell Sea, Southern Ocean; Eggerella bradyi; Eggerella sp.; Ehrenbergina glabra; Elevation of event; Epistominella exigua; Epistominella vitrea; Event label; Fissurina sp.; Foraminifera, benthic, other; Fursenkoina earlandi; Giant box corer; GKG; Globocassidulina biora; Globocassidulina subglobosa; Glomospira charoides; Gyroidina orbicularis; Gyroidina sp.; Haplophragmoides bradyi; Haplophragmoides sphaeriloculus; Hormosina normani; Hormosina robusta; Kapp Norvegia; Karreriella novangliae; Lagena spp.; Laticarinina pauperata; Latitude of event; Lenticulina spp.; Longitude of event; Martinottiella nodulosa; Melonis zaandamae; Miliammina arenacea; Nonionella bradii; Nonionella iridea; Nuttallides umbonifera; Oridorsalis umbonatus; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Parafissurina spp.; Pelosinella bicaudata; Pelosinella sp.; Polarstern; PS04; PS04/528; PS08; PS08/333; PS08/335; PS08/336; PS08/338; PS08/344; PS08/345; PS08/346; PS08/347; PS08/353; PS08/354; PS08/355; PS08/356; PS08/357; PS08/358; PS08/359; PS08/360; PS08/364; PS08/365; PS08/366; PS08/367; PS08/368; PS08/369; PS08/374; PS08/375; PS08/394; PS08/396; PS08/401; PS08/402; PS08/410; PS08/481; PS08/482; PS08/483; PS10; PS10/694; PS10/697; PS12; PS12/291; PS1224-3; PS1367-1; PS1368-1; PS1369-1; PS1370-1; PS1372-2; PS1373-2; PS1374-2; PS1375-2; PS1377-1; PS1378-1; PS1379-1; PS1380-1; PS1381-1; PS1382-1; PS1383-1; PS1384-1; PS1386-1; PS1387-1; PS1388-1; PS1389-1; PS1390-1; PS1391-1; PS1394-3; PS1395-1; PS1405-1; PS1406-1; PS1410-1; PS1411-1; PS1412-1; PS1426-1; PS1427-1; PS1428-1; PS1481-2; PS1482-2; PS1588-3; Psammosphaera fusca; Pseudobolivina antarctica; Pullenia bulloides; Pullenia simplex; Pullenia subcarinata; Pyrgo depressa; Recurvoides contortus; Reophax bilocularis; Reophax dentaliniformis; Reophax nodulosus; Reophax ovicula; Reophax pilulifer; Reophax spiculifer; Rhabdammina cf. linearis; Rhabdammina spp.; Rhizammina indivisa; Rotaliammina ochracea; Saccammina sphaerica; Saccorhiza ramosa; Subreophax aduncus; Textularia wiesneri; Trifarina angulosa; Triloculina frigida; Tritaxis squamata; Trochammina globulosa; Trochammina nana; Trochammina nitida; Trochammina sp.; Trochammina spp.
    Type: Dataset
    Format: text/tab-separated-values, 3060 data points
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  • 73
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    Unknown
    Benthic foraminiferal assemblages (living), surface data (1990)
    PANGAEA
    Details
    Publication Date: 2023-11-09
    Keywords: Adercotryma glomeratum; Ammobaculites agglutinans; Ammodiscus spp.; Ammomarginulina ensis; Ammomarginulina foliacea; Ammomarginulina foliacea curvata; ANT-II/4; ANT-IV/3; ANT-V/4; ANT-VI/3; Astrononion antarcticus; Atka Bay; AWI_Paleo; Bulimina aculeata; Buliminella cochlea; Camp Norway; Cassidulina laevigata; Cibicides bertheloti; Cibicides corpulentus; Cibicides grossepunctatus; Cibicides lobatulus; Cibicidoides cf. wuellerstorfi; Counting 〉125 µm fraction; Cribrostomoides crassimargo; Cribrostomoides jeffreysii; Cribrostomoides sp.; Cribrostomoides subglobosum; Crithionina spp.; Cyclammina orbicularis; Cyclammina pusilla; DEPTH, sediment/rock; Eastern Weddell Sea, Southern Ocean; Eggerella bradyi; Eggerella sp.; Ehrenbergina glabra; Elevation of event; Epistominella exigua; Epistominella vitrea; Eponides tumidulus; Eponides weddellensis; Event label; Fissurina sp.; Foraminifera, benthic, other; Fursenkoina earlandi; Giant box corer; GKG; Globocassidulina crassa; Globocassidulina subglobosa; Glomospira charoides; Gyroidina sp.; Haplophragmoides bradyi; Haplophragmoides sp.; Haplophragmoides sphaeriloculus; Hippocrepina flexibilis; Hormosina normani; Hormosina robusta; Hyperammina laevigata; Kapp Norvegia; Karreriella novangliae; Lagena spp.; Laticarinina pauperata; Latitude of event; Longitude of event; Marsipella cylindrica; Martinottiella nodulosa; Melonis affinis; Miliammina arenacea; Miliolinella spp.; Miliolinella subrotunda; Nonionella bradii; Nonionella iridea; Nuttallides umbonifera; Oridorsalis sidebottomi; Oridorsalis umbonatus; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Parafissurina spp.; Patellina corrugata; Pelosinella sp.; Polarstern; Portatrochammina spp.; PS04; PS04/528; PS08; PS08/333; PS08/335; PS08/336; PS08/338; PS08/344; PS08/345; PS08/346; PS08/347; PS08/353; PS08/354; PS08/355; PS08/356; PS08/357; PS08/358; PS08/359; PS08/360; PS08/364; PS08/365; PS08/366; PS08/367; PS08/368; PS08/369; PS08/374; PS08/375; PS08/394; PS08/396; PS08/401; PS08/402; PS08/410; PS08/480; PS08/482; PS08/483; PS10; PS10/694; PS10/697; PS12; PS12/291; PS1224-3; PS1367-1; PS1368-1; PS1369-1; PS1370-1; PS1372-2; PS1373-2; PS1374-2; PS1375-2; PS1377-1; PS1378-1; PS1379-1; PS1380-1; PS1381-1; PS1382-1; PS1383-1; PS1384-1; PS1386-1; PS1387-1; PS1388-1; PS1389-1; PS1390-1; PS1391-1; PS1394-1; PS1394-3; PS1395-1; PS1405-1; PS1406-1; PS1410-1; PS1411-1; PS1412-1; PS1425-1; PS1427-1; PS1428-1; PS1481-2; PS1482-2; PS1588-3; Psammosphaera fusca; Pseudobolivina antarctica; Pseudobulimina chapmani; Pullenia bulloides; Pullenia simplex; Pullenia subcarinata; Pyrgo depressa; Pyrgo williamsoni; Quinqueloculina pygmaea; Quinqueloculina sp.; Recurvoides contortus; Reophax bilocularis; Reophax dentaliniformis; Reophax distans; Reophax fusiformis; Reophax ovicula; Reophax pilulifer; Reophax spiculifer; Rhabdammina cf. linearis; Rhabdammina spp.; Rhezarkina sp.; Rhizammina indivisa; Robertinoides sp.; Rotaliammina ochracea; Saccammina sphaerica; Saccorhiza ramosa; Subreophax aduncus; Textularia wiesneri; Thurammina papillata; Trifarina angulosa; Triloculina frigida; Triloculina tricarinata; Tritaxis squamata; Trochammina globulosa; Trochammina nana; Trochammina nitida; Trochammina sp.; Trochammina spp.
    Type: Dataset
    Format: text/tab-separated-values, 3663 data points
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  • 74
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    Unknown
    (Table 4) Benthic foraminifera in Northwest Indian Ocean surface sediments (1990)
    PANGAEA
    Details
    Publication Date: 2023-11-09
    Keywords: Adercotryma glomeratum; Ammodiscus incertus; Ammomarginulina foliacea; Arabian Sea; Astrononion novozealandicum; Baggina sp.; BC; Biloculinella inflata; Bolivina alata; Bolivina ordinaria; Bolivina pseudoplicata; Bolivina pygmaea; Bolivina seminuda; Box corer; Bulimina aculeata; Bulimina denudata; Bulimina mexicana; Bulimina sp.; Bulimina translucens; Bulimina truncana; Cancris sagra; Cassidulina carinata; CD17; CD17-05; CD17-06; CD17-14; CD17-15; CD17-17; CD17-18; CD17-23; CD17-25; CD17-27; CD17-28; CD17-29; CD17-30; CD17-32; CD17-33; CD17-34; CD17-35; CD17-36; CD17-39; CD17-42; Charles Darwin; Chilostomella oolina; Chilostomella ovoidea; Cibicidoides robertsonianus; Cibicidoides umbonatus; Cibicidoides wuellerstorfi; Counting 〉125 µm fraction; Cribrostomoides ringens; Cribrostomoides wiesneri; Cyclammina cancellata; Dentalina spp.; DEPTH, sediment/rock; Discorbinella floridensis; Eggerella bradyi; Ehrenbergina trigona; Elevation of event; Elphidium discoidale; Elphidium macellum; Environment; Epistominella exigua; Event label; Fissurina spp.; Florilus grateloupi; Florilus sp.; Foraminifera, benthic; Foraminifera, benthic indeterminata; Gavelinopsis lobatulus; Globobulimina spp.; Globocassidulina subglobosa; Glomospira charoides; Glomospira gordialis; Gyroidina altiformis; Gyroidina neosoldanii; Hanzawaia sp.; Haplophragmoides rotulatum; Hoeglundina elegans; Hormosina globulifera; Hyalinea balthica; Indian Ocean; Karreriella apicularis; Karreriella bradyi; Lagena spp.; Laticarinina halophora; Latitude of event; Lenticulina calcar; Lenticulina iota; Lenticulina peregrina; Longitude of event; Martinottiella communis; Melonis barleeanus; Melonis pompilioides; Nodosaria spp.; Nonionella basiloba; Ophthalmidium pusillum; Oridorsalis umbonatus; Orthomorphina filiformis; Osangularia culter; PC; Piston corer; Planulina ariminensis; Plectofrondicularia californica; Pullenia bulloides; Pullenia quinqueloba; Pullenia salisburyi; Pyrgo murrhina; Pyrgo serrata; Pyrgo sp.; Quadrimorphina laevigata; Recurvoides contortus; Recurvoides scitulum; Reophax bilocularis; Reophax dentaliniformis; Reophax scorpiurus; Reophax sp.; Rotalitiina sp.; Saracenaria italica; Saracenaria latifrons; Saracenaria sp.; Sigmoilina edwardsi; Sigmoilinita tenuis; Sigmoilopsis schlumbergeri; Siphoeggerella siphonella; Siphotextularia affinis; Siphotextularia curta; Sphaeroidina bulloides; Textularia bermudezi; Textularia lythostrata; Textularia mexicana; Trifarina angulosa; Triloculina tricarinata; Tritaxia sp.; Trochammina globigeriniformis; Trochammina sp.; Uvigerina auberiana; Uvigerina hispida; Uvigerina peregrina; Uvigerina sp.; Uvigerina spinicostata; Virgulinella pertusa
    Type: Dataset
    Format: text/tab-separated-values, 2071 data points
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  • 75
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    Unknown
    Annotated record of the detailed examination of Mn deposits from SOMIRMAS cruise stations (1990)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Description: The cores and dredges described at this site were taken on the SOMIRMAS cruise from 5 July to 14 August 1990 by the MusÈum National d'Histoire Naturelle from the R/V Marion Dufresne. A total of 30 cores and dredges were recovered and are available at MNHN for sampling and study.
    Keywords: Deposit type; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Description; DR900051; DR900056; DR900058; Dredge; DRG; Elevation of event; Event label; Feature; GS900927; GS900932; GS900933; GS900934; Indian Ocean; Latitude of event; Longitude of event; Marion Dufresne (1972); MD64; MD64-08; MD64-16; MD64-17; MD64-24; MD64-25; MD64-26; MD64-29; Method/Device of event; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; PC; Piston corer; Position; Quantity of deposit; Sample code/label; Sediment type; Size; Somirmas; Substrate type
    Type: Dataset
    Format: text/tab-separated-values, 86 data points
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    DATA PANGAEA
  • 76
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    Unknown
    Annotated record of the detailed examination of Mn deposits from SEYMAMA-SHIVA cruise stations (1990)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Description: The cores and dredges described at this site were taken on the SEYMAMA-SHIVA cruise from 17 August to 14 September 1990 by the MusÈum National d'Histoire Naturelle from the R/V Marion Dufresne. A total of 33 cores and dredges were recovered and are available at MNHN for sampling and study.
    Keywords: Deposit type; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Description; Event label; Feature; GS900942; GS900943; Marion Dufresne (1972); MD65; MD65-10; MD65-11; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; PC; Piston corer; Position; Quantity of deposit; Sample code/label; Sediment type; SEYMAMA/SHIVA; Size
    Type: Dataset
    Format: text/tab-separated-values, 38 data points
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    DATA PANGAEA
  • 77
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    Unknown
    Table 1. Concentration of rare earth elements in ferromanganese nodule (crust), sediment and rock of the South China Sea (1990)
    PANGAEA
    In:  Supplement to: Gende, Bao; Li, Quanxing (1990): Geochemistry and their genesis of rare earth elements of ferromanganese nodules and crusts from the South China Sea. In: Jin Xiang- long, Hermann Rudolf Kudrass and Guy Pautot (eds), Marine Geology and Geophysics of the South China Sea. China Ocean Press, Hangzhou, China, 236-245, hdl:10013/epic.46006.d012
    Details
    Publication Date: 2023-08-28
    Description: Based on the X-ray fluorescence spectrum analysis of 15 rare earth elements in 6 ferromanganese nodu1es and 5 ferro mangane se crusts from the South China Sea, their abundances, distribution patterns, sources and relationships with associated elements are discussed in detail in this paper. The results show that: 1) The average abundance of rare earth elements in ferromanganese nodu1es and crusts is 1. 625 g/kg and 2. 167 g/kg respectively, which is 1-2 tim es , 5-6 times and 15-20 times higher than that in the Pacific, in the sediments of the North Pacific and the South China Sea, respectively; 2) The distribution patterns of rare earth elements standardized by the globular aerolite in ferro mangane se nodules and crusts are basically similar, that is, Ce is positively abnormal and Eu is in deficit slightly; 3) The relationships between rare earth elements and associated elements, sediments and rocks show that the source of rare earth elements in ferromanganese nodules and crusts have mainly come from slow deposition caused by weathering and leaching of medium acidic rock of the South China Sea.
    Keywords: Cerium; Dredge; DRG; Dysprosium; Erbium; Europium; Gadolinium; Holmium; Lanthanum; Lutetium; Neodymium; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Number; Praseodymium; Reference of data; Samarium; Sample type; SCSea; South China Sea; Terbium; Thulium; Ytterbium; Yttrium
    Type: Dataset
    Format: text/tab-separated-values, 126 data points
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  • 78
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    Unknown
    Description of manganese deposits collected by R/V "Jean Charcot" during its HYDROAMSTERDAM expedition (1990)
    PANGAEA
    In:  INST FRANCAIS RECHERCHE EXPLOITATION MER-IFREMER
    Details
    Publication Date: 2023-08-28
    Description: The study of the South-East Indian Ridge (SEIR) between the Rodriguez triple junction and the St. Paul-Amsterdam zone is very interesting. Bathymetric data, seismic data, magnetic data, gravimetry sampling have been realized.
    Keywords: Deposit type; DEPTH, sediment/rock; Description; Dredge; DRG; Event label; HYDA-D1; HYDA-D10; HYDA-D2; HYDA-D3; HYDA-D4; HYDA-D5; HYDA-D6; HYDA-D7; HYDROAMSTERDAM; Identification; Indian Ocean; Jean Charcot; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Position; Quantity of deposit; Sediment type; Size; Substrate type; Visual description
    Type: Dataset
    Format: text/tab-separated-values, 64 data points
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  • 79
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    Unknown
    (Table 5) Occurrence chart of Paleogene diatom species in DSDP holes 23-219 and 24-236 (1990)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 23-219; 24-236; Abas wittii; Actinoptychus senarius; Actinoptychus splendens; Arachnoidiscus spp.; Archaeomonadaceae; Asterolampra grevillei; Asterolampra marylandica; Asterolampra punctifera; Asterolampra vulgaris; Aulacodiscus spp.; Aulacoseira granulata; Baxteriopsis brunii; Bogorovia veniamini; Briggera spp.; Cestodiscus convexus; Cestodiscus demergitus; Cestodiscus gemmifer; Cestodiscus mukhinae; Cestodiscus parmulus; Cestodiscus pulchellus; Cestodiscus reticulatus; Cestodiscus sp.; Cestodiscus stokesianus; Cestodiscus trochus; Chaetoceros asymmetricus; Chaetoceros sp.; Clavicula spp.; Clinoptilolite; Cocconeis spp.; Coscinodiscus argus; Coscinodiscus extravagans; Coscinodiscus grossheimii; Coscinodiscus lewisianus; Coscinodiscus marginatus; Coscinodiscus oligocenicus; Coscinodiscus radiatus; Coscinodiscus rhombicus; Coscinodiscus sp.; Craspedodiscus coscinodiscus; Craspedodiscus oblongus; Craspedodiscus umbonatus; Deep Sea Drilling Project; Dextradonator eximius; Diatom abundance; Diatom preservation; Diatoms indeterminata; Dinoflagellata; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Endictya robustus; Entogonia spp.; Epoch; Ethmodiscus spp.; Event label; Fish remains; Foraminifera; Glomar Challenger; Grammatophora spp.; Hemiaulus altar; Hemiaulus exiguus; Hemiaulus polycystinorum; Hemiaulus polycystinorum var. mesolepta; Hemiaulus subacutus; Hemiaulus taurus; Hyalodiscus spp.; Indian Ocean/Arabian Sea/RIDGE; Isthmia spp.; Kozloviella meniscosa; Kozloviella subrotunda; Leg23; Leg24; Liostephania sp.; Lisitzinia ornata; Macrora barbadensis; Melosira architecturalis; Navicula spp.; Neobrunia spp.; Paralia ornata; Paralia sp.; Phytoliths; Pollen; Pseudopodosira bella; Pseudopodosira simplex; Pseudotriceratium radiosoreticulatum; Radiolarians abundance; Rhizosolenia hebetata; Rhizosolenia interposita; Rhizosolenia sp.; Riedelia pacifica; Rocella princeps; Rocella vigilans; Rossiella symmetrica; Rouxia hannae; Rutilaria sp.; Sample code/label; Sceptroneis sp.; Silicoflagellate occurrence; Sponge spiculae; Stephanopyxis turris; Strangulonema barbadense; Synedra aff. hennedyana; Synedra jouseana; Thalassionema nitzschioides; Thalassiosira bukryi; Thalassiosira sp.; Thalassiothrix longissima; Triceratium insignis; Triceratium pauperculum; Triceratium sp.; Triceratium venosum; Volcanic fragments; Xanthiopyxis spp.
    Type: Dataset
    Format: text/tab-separated-values, 1040 data points
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  • 80
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    (Table 4) Ranges of benthic foraminifers from the early Oligocene to the early Miocene in DSDP Hole 22-214 (1990)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 22-214; Anomalinoides alabamensis; Anomalinoides semicribratus; Bolivina cf. pulchra; Bolivina pusilla; Bolivina sp.; Bolivina tectiformis; Bulava sp.; Bulimina alazanensis; Bulimina macilenta; Bulimina semicostata; Bulimina sp.; Bulimina striata; Buliminella sp.; Cassidulina laevigata; Chrysalogonium equisetiformis; Cibicides laurisae; Cibicides wuellerstorfi; Cibicidoides cf. ungerianus; Cibicidoides havanensis; Cibicidoides kullenbergi; Cibicidoides praemundulus; Cibicidoides tuxpamensis; Deep Sea Drilling Project; Discorbis sp.; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Eggerella bradyi; Epistominella exigua; Epoch; Foraminifera, benthic, epifaunal; Foraminifera, benthic, infaunal; Foraminifera, benthic preservation; Globocassidulina subglobosa; Glomar Challenger; Gyroidinoides altispirus; Gyroidinoides girardana; Gyroidinoides neosoldanii; Gyroidinoides planulatus; Hanzawaia cushmani; Heterolepa mexicana; Indian Ocean//RIDGE; Karreriella bradyi; Karreriella chapapotensis; Leg22; Marginulina sp.; Melonis affinis; Melonis barleeanus; Nannofossil zone; Nuttallides umbonifera; Oridorsalis umbonatus; Orthomorphina koina; Orthomorphina perversa; Orthomorphina rohri; Osangularia bengalensis; Planktic foraminifera zone; Planulina renzi; Planulina sp.; Pleurostomella subcylindrica; Pleurostomellid taxa; Pullenia bulloides; Pullenia eocenica; Pullenia quinqueloba; Pyrgo murrhina; Rectuvigerina spinea; Sample code/label; Siphonodosaria modesta; Species richness; Sphaeroidina bulloides; Spiroplectammina spinosa; Stilostomella gracillima; Stilostomella insecta; Stilostomella lepidula; Stilostomella nuttalli; Stilostomella subspinosa; Textularia lythostrata; Uvigerina auberiana; Uvigerina hispidocostata; Uvigerina spinulosa; Uvigerina subproboscidea; Virgulina spp.; Vulvulina pennatula; Vulvulina spinosa
    Type: Dataset
    Format: text/tab-separated-values, 711 data points
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  • 81
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    (Table 6) Ranges of benthic foraminifers through the Oligocene in DSDP Hole 22-216 (1990)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 22-216; Anomalinoides semicribratus; Bolivina cf. huneri; Bolivina sp.; Bolivina tectiformis; Bulimina alazanensis; Bulimina cf. mexicana; Bulimina macilenta; Bulimina sp.; Buliminella spp.; Cassidulina cf. laevigata; Cassidulinidae taxa; Chrysalogonium equisetiformis; Cibicidoides havanensis; Cibicidoides perlucidus; Cibicidoides praemundulus; Deep Sea Drilling Project; Discorbis vilardeboanus; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Epoch; Foraminifera, benthic, epifaunal; Foraminifera, benthic, infaunal; Foraminifera, benthic preservation; Globocassidulina subglobosa; Glomar Challenger; Gyroidinoides altispirus; Gyroidinoides girardana; Gyroidinoides globosus; Gyroidinoides planulatus; Hanzawaia cushmani; Heterolepa grimsdalei; Indian Ocean//RIDGE; Karreriella chapapotensis; Leg22; Nannofossil zone; Nonion havanense; Nuttallides umbonifera; Orthomorphina perversa; Orthomorphina rohri; Orthomorphina umbonatus; Osangularia mexicana; Planktic foraminifera zone; Planulina renzi; Pleurostomella spp.; Pullenia bulloides; Pullenia quinqueloba; Sample code/label; Siphonodosaria modesta; Species richness; Spiroplectammina spinosa; Stilostomella lepidula; Stilostomella nuttalli; Uvigerina spinicostata; Vulvulina pennatula; Vulvulina sp.; Vulvulina spinosa
    Type: Dataset
    Format: text/tab-separated-values, 318 data points
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  • 82
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    (Table 2) Age determinations on sediment core HU77-151 (1990)
    PANGAEA
    Details
    Publication Date: 2023-12-02
    Keywords: Age, 14C AMS; Age, 14C milieu/reservoir corrected; Age, dated; Age, dated material; Age, dated standard deviation; Baffin Shelf; DEPTH, sediment/rock; HU77-151; Mass; Number; PC; Piston corer; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 16 data points
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  • 83
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    (Table 2) Age determinations on sediment core HU82-057 (1990)
    PANGAEA
    Details
    Publication Date: 2023-12-02
    Keywords: Age, 14C AMS; Age, 14C milieu/reservoir corrected; Age, dated; Age, dated material; Age, dated standard deviation; Baffin Shelf; DEPTH, sediment/rock; HU82-057; Mass; Number; PC; Piston corer; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 38 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 84
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    Age determinations of sediment cores from the Baffin Shelf (1990)
    PANGAEA
    In:  Supplement to: Andrews, John T; Evans, L W; Williams, Kerstin M; Briggs, W M; Jull, A J Timothy; Erlenkeuser, Helmut; Hardy, Iris A (1990): Cryosphere/ocean interactions at the margin of the Laurentide ice sheet during the Younger Dryas chron: SE Baffin Shelf, Northwest Territories. Paleoceanography, 5(6), 921-935, https://doi.org/10.1029/PA005i006p00921
    Details
    Publication Date: 2023-12-02
    Description: Cores HU82-034-057 and HU84-035-008, Resolution Basin, SE Baffin Shelf, contain 200 and 450 cm, respectively, of sediment that spans the Younger Dryas chron. In both cores the interval is bracketed by 14C dates on foraminifera or molluscs. These sites were close to the margin of the late Wisconsin (Foxe) ice sheet as it flowed toward the Labrador Sea. Prior to 11 ka, both cores record moderate to high accumulations of foraminifera, relatively high del 18O values in planktonic foraminifera, and low values of detrital carbonate. The diatom and percent opal records imply occasional seasonally open water conditions. During part of the Younger Dryas chron both the diatom and opal analyses imply a shutoff of biogenic silica production, suggesting surface water conditions affected by increased sea ice and/or reduced nutrients. In addition, the Younger Dryas interval is marked by an increase in coarse sand and detrital carbonate, a decrease in total organic carbon and foraminifera, and high rates of sediment accumulation. The inferred environment during the Younger Dryas is ice-proximal. In HU82-034-057, the foraminifera and other data suggest a change in conditions during the middle part of the Younger Dryas chron.
    Keywords: Baffin Shelf; HU77-151; HU82-057; HU84-008; PC; Piston corer
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  • 85
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    (Table 2) Age determinations on sediment core HU84-008 (1990)
    PANGAEA
    Details
    Publication Date: 2023-12-02
    Keywords: Age, 14C AMS; Age, 14C milieu/reservoir corrected; Age, dated; Age, dated material; Age, dated standard deviation; Baffin Shelf; DEPTH, sediment/rock; HU84-008; Mass; Number; PC; Piston corer; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 36 data points
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  • 86
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    Radiolarian biostratigraphy in the central Indian Ocean (1990)
    PANGAEA
    In:  Supplement to: Johnson, David A (1990): Radiolarian biostratigraphy in the Central Indian Ocean, Leg 115. In: Duncan, RA; Backmann, J; Peterson, LC; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 115, 395-409, https://doi.org/10.2973/odp.proc.sr.115.156.1990
    Details
    Publication Date: 2024-01-09
    Description: Identifiable radiolarians of stratigraphic importance were recovered at eight of the sites drilled on Leg 115. The assemblages range in age from Holocene to middle Eocene (Dictyoprora mongolfieri Zone, about 48 Ma). Faunal preservation is particularly good in two stratigraphic intervals: the Holocene through upper Miocene (0-9 Ma), and the lowermost Oligocene to middle Eocene (35-48 Ma). Fluctuating rates of silica accumulation at these drill sites during the Cenozoic reflect changing tectonic and paleoceanographic conditions. In particular, the gradual closure of the Indonesian and Tethyan seaways and the northward migration of the Indian subcontinent severely restricted zonal circulation and silica accumulation in tropical latitudes during the late Oligocene through middle Miocene. By the late Miocene the Indian subcontinent had moved sufficiently north of the equator to allow trans-Indian zonal circulation patterns to become reestablished, and biosiliceous sedimentation resumed. The composition of the radiolarian assemblages in the tropical Indian Ocean is closely comparable with that of the 'stratotype' sequences in the equatorial Pacific. However, there are some notable exceptions in Indian Ocean assemblages: (1) the scarcity of the genera Pterocanium and Spongaster in the Neogene; (2) the absence of the stratigraphically important Podocyrtis lineage, P. diamesa -〉 P. phyxis -〉 P. ampla, in the middle Eocene; and (3) the scarcity of taxa of the genus Dorcadospyris, with the exception of D. ateuchus. The succession of radiolarian events was tabulated for those stratigraphic intervals where the assemblages were well preserved. We identified 55 events in the middle Eocene to earliest Oligocene, and 31 events in the late Miocene to Holocene. The succession of events is closely comparable with that of the tropical Pacific. However, there are exceptions that appear to be real, rather than artifacts of sample preservation, mixing, and core disturbance.
    Keywords: 115-707A; 115-709A; 115-709C; 115-710A; 115-711A; DRILL; Drilling/drill rig; Joides Resolution; Leg115; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean
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    Format: application/zip, 9 datasets
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  • 87
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    Planktonic foraminifera of ODP Hole 107-654A (1990)
    PANGAEA
    In:  Supplement to: Glacon, Georgette; Vergnaud-Grazzini, Colette; Iaccarino, Silvia Maria; Réhault, Jean-Pierre; Randrianasolo, Auran; Sierro, Francisco Javier; Weaver, Philip PE; Channell, James E T; Torii, Masayuki; Hawthorne, Teresa B (1990): Planktonic foraminiferal events and stable isotope records in the Upper Miocene, Site 654. In: Kastens, KA; Mascle, J; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 107, 415-427, https://doi.org/10.2973/odp.proc.sr.107.157.1990
    Details
    Publication Date: 2024-01-09
    Description: The late Miocene sediments of the Tyrrhenian ODP Site 654 encompass a deepening sequence which begins with glauconite shallow water sands followed by a rapid transition to deep water sediments and culminates with dolomitic mudstones associated with Messinian evaporites. The sequence compares well with the so-called 'Sahelian cycle' and with post-orogenic cycles recognized in peninsular Italy and Sicily. The studied interval, consisting of 55 m thick nannofossil oozes, belongs to the Globorotalia suterae subzone and lower part of the Globorotalia conomiozea Zone, indicating late Tortonian and early Messinian age, respectively. Biomagnetostratigraphic correlation assigns the Tortonian/ Messinian boundary an age of 6.44-6.45 Ma. In addition, six main events have been recognized, based on the range of keeled globorotaliids and coiling direction changes of keeled and unkeeled globorotaliids, which have been correlated to the geomagnetic time-scale. Comparison with North Atlantic sites and land sections of the Guadalquivir basin and northern Morocco provides good correlations with the events documented in these areas. In particular, Event IV, which predates the FO of Globorotalia conomiozea, may be used to recognize the Tortonian/Messinian boundary in extra-Mediterranean areas where G. conomiozea is missing. Variations in the distribution of different species of Globigerinoides are related to changes in the surficial marine environment. Although no clear trends can be recognized on the oxygen and carbon isotope records of Globigerinoides obliquus, the parallelism between the occurrence of low salinity species (G. sacculifer) and peaks of low 5180 values, as well as that of normal salinity species (G. obliquus) and peaks of high d18O values, suggests strong local changes of environmental conditions. The high amplitude of the fluctuations of d18O values suggests important variations in the salinity of the Tyrrhenian Sea, related to a rapidly changing water budget. The major feature of the carbon isotope record is a large decrease between 7.0 and 6.95 Ma, which therefore predates the 6.2 Ma global 'carbon shift'.
    Keywords: 107-654A; DRILL; Drilling/drill rig; Joides Resolution; Leg107; Ocean Drilling Program; ODP; Tirreno Sea
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  • 88
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    Geochemistry of basalts of ODP Hole 106-648B (1990)
    PANGAEA
    In:  Supplement to: Park, Kye-Hun; Staudigel, Hubert (1990): Radiogenic isotope ratios and initial seafloor alteration in submarine Serocki Volcano basalts. In: Detrick, R; Honnorez, J; Bryan, WB; Juteau, T; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 106/109, 117-121, https://doi.org/10.2973/odp.proc.sr.106109.134.1990
    Details
    Publication Date: 2024-01-09
    Description: Basalts from ODP Site 648, recovered from Serocki Volcano, a near-axis volcano on the Mid-Atlantic Ridge, are normal mid-ocean ridge basalts, depleted in K, Rb, and LREE. They have homogeneous source regions with 87Sr/88Sr = 0.70234 - 0.70245 (N = 6); 143Nd/,44Nd = 0.51318 - 0.51322 (N = 8); 208Pb/204Pb = 18.53 - 18.74; 207Pb/205Pb = 15.40 – 15.45; 208Pb/204Pb = 37.83 – 36.14 (n= 3). The recovered materials are generally fresh with minor initial alteration that can be identified petrographically as the minor occurrence of groundmass clays and/or black halos. We have analyzed four separates of black halos, two of them with adjoining fresh bulk rock samples for a comparison of their chemical and isotopic composition. All black halos analyzed occur on or very close to the surfaces of rock fragments, and appear to be of finer groundmass grain size and/or contain less groundmass plagioclase, suggesting a different early cooling history. Two of the black halo samples analyzed were indistinguishable from fresh rock, and two displayed higher K, Rb, loss-on-ignition, and 87Sr/86Sr ratios, and lower K/Rb, chemical variations that suggest higher degree of ocean floor alteration.
    Keywords: 106-648B; DRILL; Drilling/drill rig; Joides Resolution; Leg106; Ocean Drilling Program; ODP; South Atlantic Ocean
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  • 89
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    Chemistry of very young basalts from ODP Hole 106-648B (1990)
    PANGAEA
    In:  Supplement to: Adamson, Andrew C; Richards, Hugh G (1990): Low-temperature alteration of very young basalts from ODP Hole 648B: Serocki Volcano, Mid-Atlantic ridge. In: Detrick, R; Honnorez, J; Bryan, WB; Juteau, T; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 106/109, 181-194, https://doi.org/10.2973/odp.proc.sr.106109.140.1990
    Details
    Publication Date: 2024-01-09
    Description: Basalts in Hole 648B, located in the rift valley of the Mid-Atlantic Ridge at 23°N in crust estimated to be less than 100,000 years old, are mainly fresh, but small amounts of secondary phases are found on fracture surfaces and in alteration halos within the rocks. The halos are defined by dark bands 1-4 mm thick that have developed parallel to fracture surfaces or pillow margins and which in some cases have migrated some centimeters into the rock. The dark bands are the principal locus of secondary phases. The secondary phases are olive-green and yellow protoceladonites, of composition and structure intermediate between celadonite and iron-rich saponite, red (Mn-poor) to opaque (Mn-rich) iron oxyhydroxides, mixtures of protoceladonite and iron oxyhydroxide, and rare manganese oxides. These phases occur mainly as linings or fillings of open spaces in the basalt within the dark bands. Sulfides and intersertal glass are the only primary phases that can be seen to have been altered. Where dark bands have migrated into the rock, the rock behind the advancing band is almost devoid of secondary phases, implying redissolution. The potassium and magnesium in the secondary phases could have been supplied from ambient seawater. The aluminum in the protoceladonites must have been derived from local reaction of intergranular glass. The source of iron and silica could have been intergranular glass or low temperature mineralizing solutions of the type responsible for the formation of deposits of manganese oxides and iron oxyhydroxides and silicates on the seafloor.
    Keywords: 106-648B; DRILL; Drilling/drill rig; Joides Resolution; Leg106; Ocean Drilling Program; ODP; South Atlantic Ocean
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  • 90
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    Chemistry of peridotites from ODP Hole 109-670A (1990)
    PANGAEA
    In:  Supplement to: Fujii, Toshitsugu (1990): Petrology of peridotites from Hole 670A, Leg 109. In: Detrick, R; Honnorez, J; Bryan, WB; Juteau, T; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 106/109, 19-25, https://doi.org/10.2973/odp.proc.sr.106109.116.1990
    Details
    Publication Date: 2024-01-09
    Description: Two types of serpentinized peridotites from Hole 670A of Leg 109 were studied in detail. A small piece of relatively unaltered sample, 109-670A-9R-1, #3 (22-24 cm), is olivine websterite characterized by aluminous chromian spinel with Cr/(Cr + Al) ratio of about 0.2. The other minerals have compositions essentially identical with those in more commonly observed serpentinized harzburgite like 109-670A-9R-01, #12 (94-97 cm). The occurrence of pyroxene-rich peridotite with normal harzburgite suggests that small scale heterogeneity in modal compositions exists in the upper mantle beneath the Mid-Atlantic Ridge. Low Cr/Al ratios of spinel and pyroxenes of those peridotites indicate that they are relatively less refractory among peridotites ever recovered from the oceanic region. Textures and the estimated equilibration temperatures indicate that peridotites recovered from Hole 670A are recrystallized and reequilibrated at subsolidus temperature. The occurrence of serpentinized peridotites from the rift valley of the active mid-oceanic ridge may suggest that they represent direct exposure of upwelling mantle materials rather than serpentine diapirs.
    Keywords: 109-670A; DRILL; Drilling/drill rig; Joides Resolution; Leg109; Ocean Drilling Program; ODP; South Atlantic Ocean
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  • 91
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    Mineralogy and geochemistry of latest Miocene deposits in the Tyrrhenian Sea (1990)
    PANGAEA
    In:  Supplement to: Chamley, Hervè; Debrabant, Pierre; Robert, Christian; Mascle, Georges; Réhault, Jean-Pierre; Aprahamian, Jean (1990): Mineralogical and geochemical investigations on latest Miocene deposits in the Tyrrhenian Sea (ODP Leg 107). In: Kastens, KA; Mascle, J; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 107, 153-167, https://doi.org/10.2973/odp.proc.sr.107.132.1990
    Details
    Publication Date: 2024-01-09
    Description: Late Miocene sediments from ODP Sites 652 and 654, drilled on the Sardinian margin in the Western Tyrrhenian Sea, are investigated through mineralogical, micromorphological, geochemical, and microgeochemical analyses. Clay associations appear to be little controlled by conditions of deposition, and largely depend on pre- and post-depositional conditions. The sedimentary series from Central Mediterranean gives very different geodynamic information, according to the sector considered. While relatively stable conditions, like those encountered in Caltanissetta Basin, Sicily, favor the mineralogical expression of warm-temperate and subarid Messinian climate, the Eastern Sardinia margin (Site 654) clay suites mainly reflect the transition from tectonically active to relaxed conditions. The series deposited at the foot of the same margin above a thinner crust (Site 652) experienced the effects of burial diagenesis, enhanced by strong geothermal gradient.
    Keywords: 107-652A; 107-653B; 107-654A; DRILL; Drilling/drill rig; Joides Resolution; Leg107; Ocean Drilling Program; ODP; Tirreno Sea
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  • 92
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    Messinian and pre-Messinian sediments of ODP Holes 107-652A and 107-654A (1990)
    PANGAEA
    In:  Supplement to: Borsetti, Anna Maria; Curzi, Pietro V; Landuzzi, V; Mutti, Maria; Ricci Lucchi, Franco; Sartori, Renzo; Tomadin, Luciano; Zuffa, Gian G (1990): Messinian and Pre-Messinian sediments from ODP Leg 107 Sites 652 and 654 in the Tyrrhenian Sea: sedimentologic and petrographic study and possible comparisons with Italian sequences. In: Kastens, KA; Mascle, J; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 107, 169-186, https://doi.org/10.2973/odp.proc.sr.107.128.1990
    Details
    Publication Date: 2024-01-09
    Description: Sedimentology, mineralogy, and petrology of the pre-Pliocene sediments drilled at ODP Sites 652 and 654 in the Tyrrhenian Sea (Leg 107) have been studied with emphasis on the lower Messinian to pre-Messinian intervals. Messinian at Site 652 is essentially turbiditic and basinal in character; it was deposited during the syn-rift phase in a strongly subsiding half-graben and is correlatable with emerged coeval sequences; in part with the Laga Formation of the foredeep of Apennines, and in part with the filling of grabens dissecting that chain in the Tyrrhenian portion of Tuscany. The sequence found in Site 654 indicates an upper Tortonian to Messinian transgression accompanying crustal stretching in the western Tyrrhenian Sea and is perfectly correlatable with the so-called "Sahelian cycle" and with "postorogenic" cycles recognized in peninsular Italy and in Sicily.
    Keywords: 107-652A; 107-654A; DRILL; Drilling/drill rig; Joides Resolution; Leg107; Ocean Drilling Program; ODP; Tirreno Sea
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    Format: application/zip, 6 datasets
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  • 93
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    Composition of peridotites of ODP Hole 109-670A (1990)
    PANGAEA
    In:  Supplement to: Komor, Stephen C; Grove, Timothy L; Hébert, Rejean (1990): Abyssal peridotites from ODP Hole 670A (21°10'N, 45°02'W): residues of mantle melting exposed by non-constructive axial divergence. In: Detrick, R; Honnorez, J; Bryan, WB; Juteau, T; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 106/109, 85-101, https://doi.org/10.2973/odp.proc.sr.106109.128.1990
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    Publication Date: 2024-01-09
    Description: The Ocean Drilling Program's Hole 670A is located ~45 km south of the Kane Fracture Zone. Non-constructive (amagmatic) axial divergence ~10 km east of Hole 670A exposes residual mantle peridotites at the seafloor. The average peridotite in the group of 18 studied has 68% of its original mineralogy replaced by serpentine and related minerals. Average reconstructed (preserpentinization) modal proportions are 81.6% OL, 14.7% OPX, 2.4% CPX, and 1.3% SPINEL. Average chemical parameters are OL Mg# = 90.5, OL NiO = 0.31 wt%, OPX Mg# = 90.5, OPX A12O3 = 4.21 wt%, CPX Mg# = 90.9, CPX Na2O = 0.19 wt%, and spinel Cr# = 24.7. Chemical and mineralogical compositions of most samples fall in a restricted range, suggesting the rocks record a similarly narrow range of melting percentages. Major and trace element modeling indicate 14%-16% melting of a partially depleted source like the Tinaquillo lherzolite can account for most of the sample compositions. One harzburgite collected 30 m away from the other samples contains minerals with more refractory compositions; calculated melting percentages for this harzburgite are 18%-20%. The difference in calculated melting percentages between the refractory harzburgite and the rest of the samples may indicate that the percent of melting (or the efficiency of melt extraction) in the sub-oceanic upper mantle melting varies on a scale of tens of meters. Comparison of the Hole 670A peridotite compositions with peridotites from the KFZ reveals no significant differences. Therefore, there is no support in this small sample set for a variation of residual peridotite compositions correlative with the transform fault effect documented from basalt compositional variations.
    Keywords: 109-670A; DRILL; Drilling/drill rig; Joides Resolution; Leg109; Ocean Drilling Program; ODP; South Atlantic Ocean
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  • 94
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    Tertiary and Quaternary calcareous nannoplankton biostratigraphy of ODP Leg 112 holes (1990)
    PANGAEA
    In:  Supplement to: Martini, Erlend (1990): Tertiary and Quaternary calcareous nannoplankton biostratigraphy off Peru (ODP Leg 112). In: Suess, E; von Huene, R; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 112, 217-238, https://doi.org/10.2973/odp.proc.sr.112.180.1990
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    Publication Date: 2024-01-09
    Description: Positions of all cores recovered during Ocean Drilling Program (ODP) Leg 112 off Peru are shown in the standard calcareous nannoplankton zonation. Stratigraphic and regional occurrences and preservation of calcareous nannoplankton are discussed for all sites, and fossil lists are presented for selected samples. Late Miocene to Holocene nannoplankton assemblages in the upwelling systems off Peru and scattered blooms, especially of Gephyrocapsa species and Helicosphaera carteri, are described. Scyphosphaera assemblages found in late Miocene Zone NN9 {Discoaster hamatus Zone) at Site 684 are compared with similar assemblages from Gabon on the west coast of Africa. Remarkable subsidence is indicated by early and middle Eocene nearshore and shallow-water nannoplankton assemblages for Sites 682, 683, and 688. Besides several local hiatuses, major regional hiatuses were noted at Site 682 (upper Eocene, uppermost middle Eocene, and part of the lower and middle Oligocene missing), Site 683 (uppermost middle Eocene to lower part of the middle Miocene missing), and Site 688 (part of the middle Eocene, uppermost middle Eocene to upper Oligocene, and parts of the lower and middle Miocene missing).
    Keywords: 112-679D; 112-679E; 112-680A; 112-681A; 112-682A; 112-683A; 112-683B; 112-684A; 112-685A; 112-686A; 112-686B; 112-687A; 112-688A; 112-688E; DRILL; Drilling/drill rig; Joides Resolution; Leg112; Ocean Drilling Program; ODP; South Pacific Ocean
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    Format: application/zip, 16 datasets
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  • 95
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    Paleomagnetism of basalts from ODP Hole 109-648A (1990)
    PANGAEA
    In:  Supplement to: Bina, M Mansour; Hamano, Yozo; Krammer, Kristian; Wooldridge, Anita (1990): Paleomagnetism of basalts from ODP Hole 648B on the Mid-Atlantic Ridge. In: Detrick, R; Honnorez, J; Bryan, WB; Juteau, T; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 106/109, 291-295, https://doi.org/10.2973/odp.proc.sr.106109.157.1990
    Details
    Publication Date: 2024-01-09
    Description: Paleomagnetic parameters of 55 basalt samples from Hole 648B on the Mid-Atlantic Ridge were studied. Negative NRM inclinations were found for 10 samples between 10 and 25 m sub-bottom depth. Several hypotheses related to this phenomenon are discussed. NRM intensities, susceptibilities, median destructive fields, and Koenigsberger ratios are slightly different for pillow and massive basalts. One can suggest from measured parameters that magnetic carriers for massive and pillow basalts are PSD titanomagnetite grains more or less close to PSD-MD threshold size with a low degree of alteration.
    Keywords: 109-648B; DRILL; Drilling/drill rig; Joides Resolution; Leg109; Ocean Drilling Program; ODP; South Atlantic Ocean
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  • 96
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    Composition of Messinian sediments from the Tyrrhenian Sea (1990)
    PANGAEA
    In:  Supplement to: Cita, Maria Bianca; Santambrogio, Sergio; Melillo, Beatrice; Rogate, Francesca (1990): Messinian paleoenvironments: new evidence from the Tyrrhenian Sea (ODP Leg 107). In: Kastens, KA; Mascle, J; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 107, 211-227, https://doi.org/10.2973/odp.proc.sr.107.161.1990
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    Publication Date: 2024-01-09
    Description: The data base for this study is represented by essentially nonevaporitic Messinian sediments recovered at ODP Sites 654, 653, 652, and 656 along the eastern Sardinian margin, and of the overlying early Pliocene oozes. Grain-size distribution, carbonate content, and microscopic observation of the sand size fractions were investigated. Messinian paleoenvironments, documented in the western Tyrrhenian Sea (ODP Sites 654 and 653), provide additional evidence supporting the deep basin desiccation model. A sharp lithologic contrast between early Pliocene pelagic oozes and latest Messinian conformable gypsiferous silts supports this model. The "lago-mare" biofacies was only occasionally observed in the shallowest site and is limited to the topmost part of the Messinian. Sites 652 and 656, lying in the deeper part of the Tyrrhenian and located on the downthrown side of an important eastward dipping fault system known as "Faglia centrale" are characterized by terrigenous sedimentation, with partly recycled minor evaporites. Of special interest is Site 652, where the thickness of the (probable) Messinian is 530 m. Sedimentary characters indicate a permanently subaqueous but nonmarine environment, with turbidites accumulating in a rapidly subsiding basin. According to the model proposed, this basin was fed by continental waters during times of maximum evaporitic draw-down, with temporary marine incursions from the west or southwest when the water level was higher. A basement ridge separated the evaporating pond from this endoreic lake located on the opposite (eastern) margin of the Tyrrhenian Basin, which was then limited to its western part. Post-Messinian reactivation of the "Faglia centrale" is necessary to account for the inversion of the relief.
    Keywords: 107-652A; 107-653B; 107-654A; 107-656A; DRILL; Drilling/drill rig; Joides Resolution; Leg107; Ocean Drilling Program; ODP; Tirreno Sea
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  • 97
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    Estimation of cooling of lavas from Serocki volcano (1990)
    PANGAEA
    In:  Supplement to: Grove, Timothy L (1990): Cooling histories of lavas from Serocki Volcano. In: Detrick, R; Honnorez, J; Bryan, WB; Juteau, T; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 106/109, 3-8, https://doi.org/10.2973/odp.proc.sr.106109.113.1990
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    Publication Date: 2024-01-09
    Description: A dynamic crystallization study was undertaken to provide a framework for linking the textural variations observed in the Hole 648B lavas with the size and morphology of cooling units inferred from drilling and submersible observation. The textures produced in cooling rate experiments carried out using a Serocki lava (ALV-1690-20) are comparable to the groundmass textural characteristics of lavas from Serocki volcano. The results of the dynamic crystallization study provide a quantitative link between texture, cooling rate, and eruption temperature. The maximum half-width of cooling units estimated from textural characteristics is on the order of 3 m, a value consistent with constraints from drilling and submersible observation. Textural characteristics indicate that the temperature from which cooling began was slightly above the liquidus. The relation between cooling rate and texture are also tested on a drill core sample of basalt of similar composition from a 9-m-thick flow in DSDP Hole 396B.
    Keywords: 109-648B; Alv_dive_1690; DRILL; Drilling/drill rig; Joides Resolution; Leg109; Mid-Atlantic Ridge; Ocean Drilling Program; ODP; Serocki Volcano; South Atlantic Ocean
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  • 98
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    Magnetic properties of ODP Hole 109-648B (1990)
    PANGAEA
    In:  Supplement to: Bina, M Mansour (1990): Magnetic properties of basalts from ODP Hole 648B on the Mid-Atlantic Ridge Near 23°N. In: Detrick, R; Honnorez, J; Bryan, WB; Juteau, T; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 106/109, 297-302, https://doi.org/10.2973/odp.proc.sr.106109.160.1990
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    Publication Date: 2024-01-09
    Description: Seventeen samples from pillow or massive "zero age" fresh basalts from ODP Legs 106 and 109 were studied in order to examine their magnetic properties and oxidation degree. Thermomagnetic analyses of studied samples show Curie temperatures from 127°C to 220°C with reversible heating and cooling curves. Hysteresis parameters indicate the contribution of large Pseudo-Single Domain (PSD) grain of titanomagnetites with saturation magnetization between 0.4 and 0.7 emu/g which is almost twice that those of other recent mid-oceanic dredged basalts (e.g., FAMOUS and CYAMEX-RISE). The large grain sizes and higher magnetic mineral concentration may suggest a slower cooling of these basalts compared to those previously studied. Electron microprobe analyses of titanomagnetite grains combined with Curie point determinations give z = 0.3 for the degree of low temperature oxidation, which is close to the other values reported for low temperature oxidation of mid-oceanic ridge basalts.
    Keywords: 109-648B; DRILL; Drilling/drill rig; Joides Resolution; Leg109; Ocean Drilling Program; ODP; South Atlantic Ocean
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    Format: application/zip, 3 datasets
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  • 99
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    Rock magnetic properties of ODP Hole 109-670A (1990)
    PANGAEA
    In:  Supplement to: Krammer, Kristian (1990): Rock magnetic properties and opaque mineralogy of selected samples from Hole 670A. In: Detrick, R; Honnorez, J; Bryan, WB; Juteau, T; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 106/109, 269-273, https://doi.org/10.2973/odp.proc.sr.106109.154.1990
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    Publication Date: 2024-01-09
    Description: The magnetic properties of 11 samples from Site 670 of Leg 109, 3 harzburgites and 8 highly serpentinized peridotites, have been studied. Reflected light microscopy and Curie temperatures confirm that magnetite is the dominant magnetic mineral in all samples. However, both rock types show different magnetic behavior. Susceptibility, saturation magnetization, and NRM are higher for the serpentinites, because of the higher magnetite content. The hysteresis parameters indicate magnetite particles with pseudosingle domain structure for both rock types. For the remarkable anisotropy of the magnetic susceptibility no definite explanation could be found, because of the complex texture of the samples. In both rock types the presence of maghemite, a product of low temperature oxidation of magnetite, has been indicated by reflected light microscopy and by thermomagnetic analysis. As the maghemite converts to hematite at temperatures above 350°C, the temperature during the serpentinization was below this value assuming that the maghemitization took place at the same time.
    Keywords: 109-670A; DRILL; Drilling/drill rig; Joides Resolution; Leg109; Ocean Drilling Program; ODP; South Atlantic Ocean
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    Format: application/zip, 3 datasets
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  • 100
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    Magnetostratigraphy of ODP Leg 107 holes (1990)
    PANGAEA
    In:  Supplement to: Channell, James E T; Torii, Masayuki; Hawthorne, Teresa B (1990): Magnetostratigraphy of sediments recovered at sites 650, 651, 652 and 654 (Leg 107 in the Tyrrhenian Sea). In: Kastens, KA; Mascle, J; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 107, 335-346, https://doi.org/10.2973/odp.proc.sr.107.167.1990
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    Publication Date: 2024-01-09
    Description: Apart from Site 650, core disturbance due to rotary drilling severely compromised the quality of the magnetostratigraphic data obtained from Leg 107 sediments. The correlation of polarity zones to the geomagnetic polarity time scale cannot be made solely on the basis of pattern fit. The proposed correlations are consistent between sites, and this consistency is constrained by the biostratigraphic datums. The resulting biomagnetostratigraphic correlations are reviewed in the synthesis section of this volume. The purpose of this paper is to document the magnetic stratigraphies, and present the preferred correlation to the geomagnetic reversal time scale. Four implications of the proposed correlations are: (1) The Mio-Pliocene boundary occurs in the lowest reversed interval of the Gilbert (Chron 3r) at about 4.9 Ma. (2) The thick pre-Pliocene lacustrine sequence recovered at Site 652 appears to have been deposited entirely within a single reversed polarity chron (Chron 3r). (3) The balatino-type gypsum recovered at Site 654 was also deposited entirely within this polarity chron (Chron 3r). (4) The Tortonian-Messinian boundary occurs within a normal polarity zone which is probably correlative to Chron 6 (Chron 3B) giving a boundary age of about 6.4 Ma.
    Keywords: 107-650A; 107-651A; 107-652A; 107-654A; DRILL; Drilling/drill rig; Joides Resolution; Leg107; Ocean Drilling Program; ODP; Tirreno Sea
    Type: Dataset
    Format: application/zip, 4 datasets
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