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  • 1
    Series available for loan
    Series available for loan
    Reconnaissance geology of southern Atka Island, Aleutian Islands, Alaska (1984)
    Washington, DC : United States Gov. Print. Off.
    Associated volumes
    Details Availability
    Call number: SR 90.0001(1609)
    In: U.S. Geological Survey bulletin
    Type of Medium: Series available for loan
    Pages: III, 19 S.
    Series Statement: U.S. Geological Survey bulletin 1609
    Language: English
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 2
    Series available for loan
    Series available for loan
    Distribution of clay minerals in the suspendet and bottom sediments from the northern Bering Sea shelf area, Alaska (1984)
    Washington, DC : United States Gov. Print. Off.
    Associated volumes
    Details Availability
    Call number: SR 90.0001(1624)
    In: U.S. Geological Survey bulletin
    Type of Medium: Series available for loan
    Pages: III, 19 S.
    Series Statement: U.S. Geological Survey bulletin 1624
    Language: English
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 3
    Monograph available for loan
    Monograph available for loan
    Siliceous deposits of the Tethys and Pacific regions : [selected presentations, given at the 3. Internat. Conference on Siliceous Deposits, held in Yugoslavia, Sept. 1986] (1989)
    New York, NY [u.a.] : Springer
    Details Availability
    Call number: M 591
    Type of Medium: Monograph available for loan
    Pages: X, 244 S. : Ill., graph. Darst., Kt.
    ISBN: 0387967044
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 4
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    Manganese Mineralization : Geochemistry and Mineralogy of Terrestrial and Marine Deposits (1997)
    London : The Geological Society
    Details
    Keywords: Manganerz ; Manganerzlagerstätte ; Mineralisation ; Geochemistry ; Geoquímica ; Manganese nodules ; Manganese ores ; Manganês ; Mineralogia
    Description / Table of Contents: Introduction --- Keith Nicholson, James R. Hein, Bernhard Bühn, and Somnath Dasgupta: Precambrian to modern manganese mineralization: Changes in ore type and depositional environment / Geological Society, London, Special Publications, 119:1-3, doi:10.1144/GSL.SP.1997.119.01.01 --- Review --- Supriya Roy: Genetic diversity of manganese deposition in the terrestrial geological record / Geological Society, London, Special Publications, 119:5-27, doi:10.1144/GSL.SP.1997.119.01.02 --- Precambrian Deposits --- G.P. Glasby: Fractionation of manganese from iron in Archaean and Proterozoic sedimentary ores / Geological Society, London, Special Publications, 119:29-42, doi:10.1144/GSL.SP.1997.119.01.03 --- Dmitri A. Kulik and Michael N. Korzhnev: Lithological and geochemical evidence of Fe and Mn pathways during deposition of Lower Proterozoic banded iron formation in the Krivoy Rog Basin (Ukraine) / Geological Society, London, Special Publications, 119:43-80, doi:10.1144/GSL.SP.1997.119.01.04 --- Bernhard Bühn and Ian G. Stanistreet: Insight into the enigma of Neoproterozoic manganese and iron formations from the perspective of supercontinental break-up and glaciation / Geological Society, London, Special Publications, 119:81-90, doi:10.1144/GSL.SP.1997.119.01.05 --- C. Manikyamba and S.M. Naqvi: Mineralogy and geochemistry of Archaean greenstone belt-hosted Mn formations and deposits of the Dharwar Craton: Redox potential of proto-oceans / Geological Society, London, Special Publications, 119:91-103, doi:10.1144/GSL.SP.1997.119.01.06 --- Joydip Mukhopadhyay, Asru K. Chaudhuri, and S. K. Chanda: Deep-water manganese deposits in the mid- to late Proterozoic Penganga Group of the Pranhita-Godavari Valley, South India / Geological Society, London, Special Publications, 119:105-115, doi:10.1144/GSL.SP.1997.119.01.07 --- Keith Nicholson, V. K. Nayak, and J. K. Nanda: Manganese ores of the Ghoriajhor-Monmunda area, Sundergarh District, Orissa, India: geochemical evidence for a mixed Mn source / Geological Society, London, Special Publications, 119:117-121, doi:10.1144/GSL.SP.1997.119.01.08 --- Cenozoic Deposits --- James R. Hein, Andrea Koschinsky, Peter Halbach, Frank T. Manheim, Michael Bau, Jung-Keuk Kang, and Naomi Lubick: Iron and manganese oxide mineralization in the Pacific / Geological Society, London, Special Publications, 119:123-138, doi:10.1144/GSL.SP.1997.119.01.09 --- D. S. Cronan: Some controls on the geochemical variability of manganese nodules with particular reference to the tropical South Pacific / Geological Society, London, Special Publications, 119:139-151, doi:10.1144/GSL.SP.1997.119.01.10 --- U. Von Stackelberg: Growth history of manganese nodules and crusts of the Peru Basin / Geological Society, London, Special Publications, 119:153-176, doi:10.1144/GSL.SP.1997.119.01.11 --- Akira Usui and Masao Someya: Distribution and composition of marine hydrogenetic and hydrothermal manganese deposits in the northwest Pacific / Geological Society, London, Special Publications, 119:177-198, doi:10.1144/GSL.SP.1997.119.01.12 --- B. Nagender Nath, W. L. Plüger, and I. Roelandts: Geochemical constraints on the hydrothermal origin of ferromanganese encrustations from the Rodriguez Triple Junction, Indian Ocean / Geological Society, London, Special Publications, 119:199-211, doi:10.1144/GSL.SP.1997.119.01.13 --- G. P. Glasby, E. M. Emelyanov, V. A. Zhamoida, G. N. Baturin, T. Leipe, R. Bahlo, and P. Bonacker: Environments of formation of ferromanganese concretions in the Baltic Sea: a critical review / Geological Society, London, Special Publications, 119:213-237, doi:10.1144/GSL.SP.1997.119.01.14 --- J. Rey, L. Somoza, J. Martínez-Frías, R. Benito, and S. Martín-Alfageme: Deception Island (Antarctica): a new target for exploration of Fe-Mn mineralization? / Geological Society, London, Special Publications, 119:239-251, doi:10.1144/GSL.SP.1997.119.01.15 --- A. Crespo and R. Lunar: Terrestrial hot-spring Co-rich Mn mineralization in the Pliocene-Quaternary Calatrava Region (central Spain) / Geological Society, London, Special Publications, 119:253-264, doi:10.1144/GSL.SP.1997.119.01.16 --- K. M. Michailidis, K. Nicholson, M. K. Nimfopoulos, and R. A. D. Pattrick: An EPMA and SEM study of the Mn-oxide mineralization of Kato Nevrokopi, Macedonia, northern Greece: Controls on formation of the Mn4+ oxides / Geological Society, London, Special Publications, 119:265-280, doi:10.1144/GSL.SP.1997.119.01.17 --- Hiroyuki Miura and Yu Hariya: Recent manganese oxide deposits in Hokkaido, Japan / Geological Society, London, Special Publications, 119:281-299, doi:10.1144/GSL.SP.1997.119.01.18 --- Geochemistry and Mineralogy --- Lev M. Gramm-Osipov: Formation of solid phases of manganese in oxygenated aquatic environments / Geological Society, London, Special Publications, 119:301-308, doi:10.1144/GSL.SP.1997.119.01.19 --- Keith Nicholson and Mark Eley: Geochemistry of manganese oxides: metal adsorption in freshwater and marine environments / Geological Society, London, Special Publications, 119:309-326, doi:10.1144/GSL.SP.1997.119.01.20 --- Somnath Dasgupta: P-T-X relationships during metamorphism of manganese-rich sediments: Current status and future studies / Geological Society, London, Special Publications, 119:327-337, doi:10.1144/GSL.SP.1997.119.01.21 --- M. K. Nimfopoulos, K. M. Michailidis, and G. Christofides: Zincian rancieite from the Kato Nevrokopi manganese deposits, Macedonia, northern Greece / Geological Society, London, Special Publications, 119:339-347, doi:10.1144/GSL.SP.1997.119.01.22 --- S. D. Gamblin and D. S. Urch: The determination of the valency of manganese in mineralogical and environmental samples by X-ray emission spectroscopy / Geological Society, London, Special Publications, 119:349-356, doi:10.1144/GSL.SP.1997.119.01.23
    Pages: Online-Ressource (VI, 370 Seiten) , Illustrationen, Diagramme, Karten
    ISBN: 1897799748
    URL: http://sp.lyellcollection.org/content/119/1
    Language: English
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  • 5
    Electronic Resource
    Electronic Resource
    Long-term eruptive activity at a submarine arc volcano (2006)
    [s.l.] : Nature Publishing Group
    Nature 441 (2006), S. 494-497 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Three-quarters of the Earth's volcanic activity is submarine, located mostly along the mid-ocean ridges, with the remainder along intraoceanic arcs and hotspots at depths varying from greater than 4,000 m to near the sea surface. Most observations and sampling of submarine eruptions ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/nature04762
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  • 6
    Electronic Resource
    Electronic Resource
    Origin of authigenic carbonates in sediment from the deep Bering Sea (1979)
    Oxford, UK : Blackwell Publishing Ltd
    Sedimentology 26 (1979), S. 0 
    Details
    ISSN: 1365-3091
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Forty beds of authigenic carbonate were identified from the deep Bering Sea in cores taken on Leg 19 of the Deep Sea Drilling Project. Carbonate minerals were mainly high-magnesium calcite and protodolomite, less commonly siderite, rhodo-chrosite, low-magnesium calcite, and manganosiderite. Authigenic carbonates cement and replace diatom ooze, ash and bentonite beds, and, less commonly, clastic beds. Replacement zones are as much as 60 cm thick. Eighty-five per cent of carbonate beds occurred below 400 m sub-bottom depth and 70% in sediment older than 4 m.y. δ13C values averaged -17.200/00 PDB and δ18O ranged from 18.59 to 34–110/00SMOW. The carbon was derived from oxidation of organic matter under anaerobic conditions during bacterial reduction of sulphate, or from CO2 produced in concert with CH4 during degradation of organic matter. The cations (Ca, Mg, Fe, Mn) were derived from alteration of ash beds. In Bering Sea deposits, ash beds altered to smectite within about 3–5 m.y. Carbonate precipitated simultaneously at different stratigraphic levels within the 627–1057 m sections at temperatures of 7–85°C. No apparent calcite precursor of biogenic origin was found for these authigenic carbonates.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3091.1979.tb00937.x
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  • 7
    Electronic Resource
    Electronic Resource
    Diagenesis of late Cenozoic diatomaceous deposits and formation of the bottom simulating reflector in the southern Bering Sea (1978)
    Oxford, UK : Blackwell Publishing Ltd
    Sedimentology 25 (1978), S. 0 
    Details
    ISSN: 1365-3091
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Diatom ooze and diatomaceous mudstone overlie terrigenous mudstone beds at Leg 19 Deep Sea Drilling Project sites. The diatomaceous units are 300-725 m thick but most commonly are about 600 m. Diagenesis of diatom frustules follows a predictable series of physical and chemical changes that are related primarily to temperature (depth of burial and local geothermal gradient). During the first 300-400 m of burial frustules are fragmented and undergo mild dissolution. By 600 m dissolution of opal-A (biogenic silica) is widespread. Silica reprecipitates abundantly as inorganic opal-A between 600 and 700 m sub-bottom depth. Inorganic opal-A is rapidly transformed by crystal growth to opal-CT. The result is formation of silica cemented mudstone and porcelanite beds.A regional acoustic reflector (called the bottom-simulating reflector, or BSR) occurs near 600 m depth in the sections. This acoustic event marks the upper surface where silicification (cementation) is active. In Bering Sea deposits, opal-A is transformed to opal-CT at temperatures between 35° and 50°C. This temperature range corresponds to a sub-bottom depth of about 600 m and is the area where silicification is most active. Thus, the BSR represents an isothermal surface; the temperature it records is that required to transform opal-A to opal-CT. Deposition of at least 500 m of diatomaceous sediment was required before the temperature at the base of the diatomaceous section was appropriate (35°-50°C) for silica diagenesis to occur. Accordingly, silica diagenesis did not begin until Pleistocene time. Once silicification began, in response to sediment accumulation during the Quaternary, the diagenetic front (the BSR) moved upsection in pace with the upward migrating thermal boundary.X-ray diffractograms and SEM photographs show three silica phases, biogenic opal-A, inorganic opal-A’, and opal-CT. These have crystallite sizes of 11-16 A, 20-27 A, and 40-81 A, respectively, normal to 101. The d(101) reflection of opal-CT decreases with depth of burial at DSDP Site 192. This occurs by solid-state ordering and requires at least 700 m of burial.Most clinoptilolite in Leg 19 cores forms from the diagenesis of siliceous debris rather than from the alteration of volcanic debris as is commonly reported.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3091.1978.tb00307.x
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  • 8
    Electronic Resource
    Electronic Resource
    Lithified carbonate sediment and zeolitic tuff in basalts, Mid-Atlantic Ridge (1973)
    Oxford, UK : Blackwell Publishing Ltd
    Sedimentology 20 (1973), S. 0 
    Details
    ISSN: 1365-3091
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Basaltic boulders dredged from the Mid-Atlantic Ridge contain lithified coccolith-foraminiferal ooze in fractures and small pockets. Textural and isotopic studies of this sediment provide no evidence for high temperature metamorphism. The lithified carbonate sediment occurs together with palagonitized basaltic glass and zeolitic tuff, and appears to have been squeezed into cracks and other voids within the congealed margins of partly-cooled basalt pillows which intruded soft carbonate ooze. Thermal metamorphism probably was precluded by rapid heat dissipation in convecting pore waters and by the thermal stability of calcareous microplankton. Low temperature alteration of basaltic glass appears to have provided the chemical milieu for precipitation of calcite cement as well as zeolites in the sediment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3091.1973.tb01618.x
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  • 9
    Electronic Resource
    Electronic Resource
    Dolomitization of Quaternary reef limestone, Aitutaki, Cook Islands (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Sedimentology 39 (1992), S. 0 
    Details
    ISSN: 1365-3091
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Six holes were drilled to depths of 30–69 m in the shallow lagoon of Aitutaki in the southern Cook Islands. One hole encountered pervasively dolomitized reef limestones at 36 m subbottom depth, which extended to the base of the drilled section at 69·3 m. This hole was drilled near the inner edge of the present barrier reef flat on the flank of a seismically defined subsurface ridge. Both the morphology and biofacies indicate that this ridge may represent an outer reef crest. Mineralogy, porosity and cementation change in concert downhole through three zones. Zone 1, 0–9 m, is composed of primary skeletal aragonite and calcite with minor void-filling aragonite and magnesian calcite cement of marine phreatic origin. Zone 2, 9–36 m, is composed of replacement calcite and calcite cement infilling intergranular, intragranular, mouldic and vuggy porosity. Stable isotopes (mean δ18O=—5·4‰ PDB for carbonate; δD =—50‰ SMOW for fluid inclusions) support the petrographic evidence indicating that sparry calcite cements formed in predominantly freshwater. Carbon isotope values of —4·0 to —11·0‰ for calcite indicate that organic matter and seawater were the sources of carbon. Zone 3, 36–69·3 m, is composed of replacement dolostone, consisting of protodolomite with, on average, 7 mol% excess CaCO3 and broad and weak ordering X-ray reflections at 2·41 and 2·54 A. The fine-scale replacement of skeletal grains and freshwater void-filling cements by dolomite did not significantly reduce porosity. Stable isotopes (mean δ18O=+2·6‰0 PDB for dolomite; maximum δD =—27‰ SMOW for fluid inclusions) and chemical composition indicate that the dolomite probably formed from seawater, although formation in the lower part of a mixed freshwater-seawater zone, with up to 40% freshwater contribution, cannot be completely ruled out. The carbon (δ13C=2·7‰) and magnesium were derived from seawater.Low-temperature hydrothermal iron hydroxides and associated transition metals occur in void space in several narrow stratigraphic intervals in the limestone section that was replaced by dolomite. The entire section of dolomite is also enriched in these transition metals. The metals dispersed throughout the dolostone section were introduced at the time of dolomitization by a different and later episode of hydrothermal circulation than the one(s) that produced the localized deposits near the base of the section.The primary reef framework is considered to have been deposited during several highstands of sea level. Following partial to local recrystallization of the limestone, a single episode of dolomitization occurred. Both tidal and thermal pumping drove large quantities of seawater through the porous rocks and perhaps maintained a wide mixing zone. However, the isotopic, geochemical and petrographic data do not clearly indicate the extent of seawater mixing.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3091.1992.tb02142.x
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  • 10
    Electronic Resource
    Electronic Resource
    Deep-sea Sediment Source Areas: Implications of Variable Rates of Movement between California and the Pacific Plate (1973)
    [s.l.] : Nature Publishing Group
    Nature 241 (1973), S. 40-41 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The Delgada submarine fan lies off northern California, south of the Mendocino Fracture Zone, and is at least Oligocene in age4. The fan lies in a unique position on the eastern edge of the Pacific plate directly adjacent to the varied lithology of source areas on the American plate to the east. If ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/241040a0
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