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  • 1
    Electronic Resource
    Electronic Resource
    Lower cretaceous basalt and sediments from the Kerguelen Plateau (1987)
    Springer
    Geo-marine letters 7 (1987), S. 169-176 
    Details
    ISSN: 1432-1157
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Geological samples from the southern Kerguelen Plateau include Lower Cretaceous basalt and lava breccia, probable Lower Cretaceous conglomerate and shelf limestone, Upper Cretaceous chert with dolomite, Upper Cretaceous-Eocene ooze, and Tertiary conglomerate. Neogene sediments are only a few hundred m thick, and include foraminiferal and diatomaceous ooze, and ice-rafted debris. In conjunction with seismic reflection profiles, the samples indicate Early Cretaceous near-shore volcanism, followed by erosion, sedimentation, and subsidence through Cretaceous; arching of the plateau at the end of Cretaceous; subsidence through Paleogene; widespread emergence in mid-Tertiary; and slow subsidence through Neogene.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02242768
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Lower cretaceous basalt and sediments from the Kerguelen Plateau (1987)
    Springer
    Details
    Publication Date: 1987-12-01
    Print ISSN: 0276-0460
    Electronic ISSN: 1432-1157
    Topics: Geosciences
    Published by Springer
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    PAPER CURRENT
  • 3
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    Hypothese sur l'origine des silicifications dans les grands bassins oceaniques; le role des climats hydrolisants (1974)
    EDP Sciences
    Details
    Publication Date: 1974-01-01
    Print ISSN: 0037-9409
    Electronic ISSN: 1777-5817
    Topics: Geosciences
    Published by EDP Sciences on behalf of Société Géologique de France.
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    PAPER CURRENT
  • 4
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    Annotated record of the detailed examination of Mn deposits from DSDP Leg 25 (Sites 239, 242, 245, 245A, 248) (1974)
    PANGAEA
    In:  Supplement to: Leclaire, Lucien (1974): Late Cretaceous and Cenozoic Pelagic DepositsPaleoenvironment and Paleooceanography of the Central Western Indian Ocean. In: Simpson, E.S.W.; Schlich, R.; et al., Initial Reports of the Deep Sea Drilling Project, Initial Reports of the Deep Sea Drilling Project, U.S. Government Printing Office, XXV, 481-513, https://doi.org/10.2973/dsdp.proc.25.120.1974
    Details
    Publication Date: 2023-08-28
    Description: Pelagic deposits are the dominant contributors to the sediment layers that blanket ridges and basaltic sea floor in deep basins. Among pelagic constituents, nannofossils undoubtedly are the predominant contributor, especially to Cenozoic chalk and ooze. Among Leg 25 sites, the most typical pelagic deposits are found in the Madagascar Basin (Site 245) including a clayey nanno chalk, bearing Fe-Mn oxides, resting directly on the basalt and overlain successively by a nanno chalk which is interlayered with chert and devitrified volcanic ash and a nearly pure nanno ooze. The lithologic sequence is capped by brown clay. Upper Cenozoic foram sand and foram nanno ooze were found on the Mozambique Ridge (Site 249) and particularly on the Madagascar Ridge (Site 246). Biogenic silica-rich facies are rare and mainly located near the top of the lowest latitude sites.
    Keywords: 25-239; 25-242; 25-245; 25-245A; 25-248; Comment; Deep Sea Drilling Project; Deposit type; DEPTH, sediment/rock; Description; DRILL; Drilling/drill rig; DSDP; Event label; Glomar Challenger; Identification; Indian Ocean//BASIN; Indian Ocean//CHANNEL; Leg25; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Position; Quantity of deposit; Sample code/label; Sediment type; Size; Visual description
    Type: Dataset
    Format: text/tab-separated-values, 77 data points
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    DATA PANGAEA
  • 5
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    Geochemical composition of nodules and crusts from the Indian Ocean recovered from R/V Marion Dufresne expeditions from 1977 until 1981 (2003)
    PANGAEA
    In:  Supplement to: Leclaire, Lucien (2003): Chemical measurements on manganese nodules and crusts recovered from R/V Marion Dufresne expeditions between 1977 and 1981. In: Moreno E., Lithothèque Marine et Base de Données GEOCORES (Core Repository and GEOCORES Database), Géologie - Muséum National d'Histoire Naturelle (MNHN), Unpublished, https://geocores.mnhn.fr/index.php?catid=7&blogid=1
    Details
    Publication Date: 2023-08-28
    Description: Following the launch of the "Marion Dufresne 1", first supply ship of the Terres Australes and Antarctiques Françaises and part time oceanographic vessel in the Indian Ocean, a new marine geology program was developped at the Laboratoire de Géologie, MNHN. The first oceanographic cruise of the "Marion Dufresne 1" started in 1973 in the Southwestern Indian Ocean (OSIRIS I cruise). Forty piston-cores recovered nearly 200 m of sediments consisting in the first of the 450 cores of the Indian Ocean collection now deposited at the Museum. L. Leclaire being Director from 1980 to 1991, a multidisciplinary team (including sedimentologists and micropaleontologists) was involved in many oceanographic cruises in the Indian Ocean. Marine sedimentology was developped during annual cruises programs in collaboration with geophysicists, geochemists, and biologists. In 1995, the "Marion Dufresne 2" replaced the initial "Marion Dufresne 1".
    Keywords: Cobalt; Copper; CP790002; CP790010; CP790015; CP810027; CP810032; CP810034; CP810035; CP810036; CP810038; CP810039; DEPTH, sediment/rock; Description; DR790020; Dredge; DRG; Elevation of event; Event label; Indian Ocean; Insoluble residue; Iron; Latitude of event; Longitude of event; Manganese; Marion Dufresne (1972); MD14; MD14-14B; MD14-27; MD14-28; MD14-29A; MD14-29B; MD14-3A; MD14-5B; MD20; MD20-08B; MD20-19B; MD20-19E; MD20-23C; MD20-28B; MD20-29; MD28; MD28-24; MD28-30B; MD28-31A; MD28-33A; MD28-33C; MD28-35C; MD28-36A; MD-AT770018; MD-AT770019; MD-AT770020; MD-AT770021; MD-DR770017; MD-DR770018; MD-SI770002; NEMROD; Nickel; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; PC; Piston corer; SAFARI I, OSIRIS4; SAFARI II; Sample code/label; Sample ID; SI790011; SI790017; Wet chemistry
    Type: Dataset
    Format: text/tab-separated-values, 533 data points
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    DATA PANGAEA
  • 6
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    Geochemical composition of a nodule from the Indian Ocean recovered from R/V Marion Dufresne expedition (MD09 (SESAM)) using Atomic absorption spectroscopy (AAS) (2022)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Description: Geochemical analysis of manganese nodules collected from Indian ocean aboard R/V Marion Dufresne with Atomic Absorption Spectrometry.
    Keywords: AT760004; Atomic absorption spectrometry (AAS); Cobalt; Copper; Deposit type; DEPTH, sediment/rock; Elevation of event; Event label; Geochemistry; Identification; Indian Ocean; Iron; Latitude of event; Lead; Longitude of event; Manganese; manganese nodules; Marion Dufresne (1972); MD09; MD09-06B; Morphology; Nickel; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; ocean; PC; Piston corer; SESAM; Zinc
    Type: Dataset
    Format: text/tab-separated-values, 10 data points
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    DATA PANGAEA
  • 7
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    Geochemical composition of nodules from the Indian Ocean recovered from R/V Marion Dufresne expeditions using wet chemistry (2022)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Description: Geochemical analysis of manganese nodules collected from Indian ocean aboard R/V Marion Dufresne with wet chemistry.
    Keywords: AT760004; AT760005; AT760007; AT760008; AT760010; AT760011; Cobalt; Copper; Deposit type; DEPTH, sediment/rock; Elevation of event; Event label; Geochemistry; Identification; Indian Ocean; Iron; Latitude of event; Longitude of event; Manganese; manganese nodules; Marion Dufresne (1972); MD09; MD09-06B; MD09-12B; MD09-21B; MD09-27; MD09-36A; MD09-41B; Morphology; Nickel; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; ocean; PC; Piston corer; SESAM; Wet chemistry
    Type: Dataset
    Format: text/tab-separated-values, 64 data points
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  • 8
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    (Table 1, page 24), Geochemical cmposition of nodules and crust from the Indain Ocean recovered from R/V Marion Dufresne expeditions (1979)
    PANGAEA
    In:  Supplement to: Leclaire, Lucien; Perseil, E A (1979): Minéralogie, composition chimique et milieux de sédimentation de concrétions polymétalliques dans l'océan Indien = Mineralogy, chemical composition and sedimentation environment of manganese nodules from Indian Ocean. In: Lalou, C (Ed) La Genèse des nodules de manganèse. Centre National de la recherche Scientifique (CNRS), Gif-sur-Yvette, France, 23-37, hdl:10013/epic.46398.d001
    Details
    Publication Date: 2024-02-29
    Description: Mineralogical analysis of manganese nodules and crusts collected from Indian ocean aboard Marion Dufresne points to a depth and regional control upon the manganese oxide association: vernadite - birnessite and vernadite - todorokite. Moreover, progressive changes in the vernadite/birnessite ratio as a function of time is clearly seen. Magnetite and titano-magnetite in quantities similar to those of framboidal pyrite in manganese nodules are outlined for the first time. Study of the distribution of metals (Mn, Fe, Ni, Cu, Co) shows a strong latitudinal and regional dependence that may be connected to high productivity zones and to bottom water properties. The problem of mineralogical control on the chemical composition is approached. Finally, it results that any interpretations taking into account all these data haveway to give to the variability of sea-water properties (pH, oxygenation, motions) the prominent control upon manganese nodules composition.
    Keywords: Aluminium; AT760004; AT760005; AT760007; AT760008; AT760010; AT760011; Calcium; Cobalt; Copper; DEPTH, sediment/rock; Description; DR760013; DR760014; DR760015; DR770019; Dredge; DRG; Elevation of event; Event label; Grab; GRAB; Identification; Indian Ocean; Insoluble residue; Iron; Latitude of event; Lead; Longitude of event; Magnesium; Manganese; Marion Dufresne (1972); MD00; MD 00-45-DR; MD06; MD 06-27-DR; MD 06-28-DR; MD 06-29; MD 06-30-DR; MD 06-32-DR; MD 06-33-DR; MD 06-35-DR; MD 06-36-DR; MD09; MD09-06B; MD09-12B; MD09-21B; MD09-23B; MD09-26; MD09-27; MD09-34C; MD09-36A; MD09-40B; MD09-41B; MD14; MD14-02CX; MD14-03CX; MD14-05CX; MD14-07CX; MD14-08CX; MD14-27CX; MD14-2A; MD14-2C; MD14-35A; MD14-5B; MD-AT770017; MD-AT770018; MD-DR730004; MD-DR750006; MD-DR750007; MD-DR750008; MD-DR750009; MD-DR750010; MD-DR750011; MD-DR750012; MD-DR770016; MD-DS750001; NEMROD; Nickel; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; NOSICAA; OSIRIS I; PC; Piston corer; PL770002 (EL 2-6); PL770003 (EL 6-11); PL770004 (EL 12-18); PL770005 (EL 19-28); PL770006 (EL 29-37); PL770007 (EL 48-56); PS760109; Sample code/label; SESAM; Silicon dioxide; Wet chemistry; Zinc
    Type: Dataset
    Format: text/tab-separated-values, 652 data points
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    DATA PANGAEA
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