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  • Data  (5)
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  • 1
    facet.materialart.
    Unknown
    PANGAEA
    In:  Supplement to: Friedrich, G; Schmitz-Wiechowski, A (1976): Mikroskopische und mikroanalytische Untersuchungen an metallischen Kügelchen aus Tiefseesedimenten des Zentralen Pazifik. Marine Geology, 20(3), 239-250, https://doi.org/10.1016/0025-3227(76)90118-3
    Publication Date: 2023-08-28
    Description: Metallic spherules from Central Pacific Ocean sediments (“Valdivia” expedition VA-05/1, 1973) were studied by means of microscopy and by electron microprobe analysis. The data suggest that most of the spherules are of meteoritic origin, i.e. ablation drops from meteorites as suggested in former studies on spherules from marine environment by Schmidt and Keil (1966), Finkelmann (1970, 1972) and others. The metallic spherules contain up to about 60% Ni, 37% Fe and 3% Co. Unusually high contents of Cr (up to 12%) were noted in some spherules. Some specimen being coated with Fe oxide could be mistaken for manganese micronodules always abundant in the sediments of the Central Pacific Ocean.
    Keywords: Dredge; DRG; Location 20; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Pacific Ocean; VA-05/1; VA-05/1_20; Valdivia (1961)
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Expected Availability
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  • 2
    facet.materialart.
    Unknown
    PANGAEA
    In:  Supplement to: Friedrich, G; Glasby, Geoffrey P; Thijssen, Theo; Plüger, W L (1983): Morphological and geochemical characteristics of manganese nodules collected from three areas on an Equatorial Pacific transect by RV Sonne. Marine Mining, 4, 167-253, hdl:10013/epic.47815.d001
    Publication Date: 2023-08-28
    Description: Manganese nodules collected from three areas (C, F, and G) on a N-S equatorial Pacific transect at 134° W by R. V. Sonne show differences in size, morphology, surface density and composition which can best be interpreted in terms of the biogenic theory of nodule formation. These data indicate that the biogenic hypothesis is central to an understanding of manganese nodule genesis in the equatorial Pacific and in particular influences the nodule shape, surface texture, rate of growth, composition, and mineralogy. The nodule characteristics in this region are also influenced by the hydrological characteristics of the bottom water, sedimentation rates, local geological and tectonic conditions (including seeding eflects) and topography.
    Keywords: Aluminium oxide; Barium; BCR; Box corer (Reineck); Cerium; Cobalt; Copper; DEPTH, sediment/rock; Description; Dredge, box; DRG_B; Elevation of event; Event label; FFGR; Free-fall grab; Identification; Iron; KAL; Kasten corer; Lanthanum; Latitude of event; Lead; Longitude of event; Manganese; Method/Device of event; Molybdenum; Nickel; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Pacific Ocean; Silicon dioxide; Size; Size, maximum; Size, minimum; SO06; SO06_100GB; SO06_101GB; SO06_102GB; SO06_107GB; SO06_108GB; SO06_109GB; SO06_10KG; SO06_110KG; SO06_114KG; SO06_115GB; SO06_116GB; SO06_118GB; SO06_119GB; SO06_120GB; SO06_121GB; SO06_122GB; SO06_123KG; SO06_124KG; SO06_127GB; SO06_128GB; SO06_130GB; SO06_131GB; SO06_132GB; SO06_133GB; SO06_137DK; SO06_138KG; SO06_13GB; SO06_14GB; SO06_15GB; SO06_16GB; SO06_18GB; SO06_19GB; SO06_20GB; SO06_21GB; SO06_22GB; SO06_23GB; SO06_24GB; SO06_25GB; SO06_26KAL; SO06_37GB; SO06_49GB; SO06_50GB; SO06_52GB; SO06_53GB; SO06_54GB; SO06_55GB; SO06_57GB; SO06_59GB; SO06_61GB; SO06_62GB; SO06_63GB; SO06_64GB; SO06_67GB; SO06_70GB; SO06_71GB; SO06_72GB; SO06_74KAL; SO06_75DK; SO06_76GB; SO06_77GB; SO06_78GB; SO06_81GB; SO06_83GB; SO06_84GB; SO06_85GB; SO06_87GB; SO06_88GB; SO06_89GB; SO06_93GB; SO06_94GB; SO06_95GB; SO06_99GB; SO6/1-C-Loc2-10; SO6/1-C-Loc3-23; SO6/1-C-Loc3-24; SO6/1-C-Loc3-25; SO6/1-C-Loc3-26; SO6/1-C-Loc4-13; SO6/1-C-Loc4-14; SO6/1-C-Loc4-15; SO6/1-C-Loc4-16; SO6/1-C-Loc4-18; SO6/1-C-Loc4-19; SO6/1-C-Loc4-20; SO6/1-C-Loc4-21; SO6/1-C-Loc4-22; SO6/1-F-Loc10-52; SO6/1-F-Loc10-53; SO6/1-F-Loc10-54; SO6/1-F-Loc10-55; SO6/1-F-Loc10-57; SO6/1-F-Loc10-59; SO6/1-F-Loc11-61; SO6/1-F-Loc11-62; SO6/1-F-Loc11-63; SO6/1-F-Loc11-64; SO6/1-F-Loc11-67; SO6/1-F-Loc12-70; SO6/1-F-Loc12-71; SO6/1-F-Loc12-72; SO6/1-F-Loc12-74; SO6/1-F-Loc12-75; SO6/1-F-Loc13-76; SO6/1-F-Loc13-77; SO6/1-F-Loc13-78; SO6/1-F-Loc14-81; SO6/1-F-Loc14-83; SO6/1-F-Loc14-84; SO6/1-F-Loc14-85; SO6/1-F-Loc14-87; SO6/1-F-Loc14-88; SO6/1-F-Loc14-89; SO6/1-F-Loc15-93; SO6/1-F-Loc15-94; SO6/1-F-Loc15-95; SO6/1-F-Loc8-37; SO6/1-F-Loc9-49; SO6/1-F-Loc9-50; SO6/1-G-Loc16-100; SO6/1-G-Loc16-101; SO6/1-G-Loc16-102; SO6/1-G-Loc16-107; SO6/1-G-Loc16-108; SO6/1-G-Loc16-109; SO6/1-G-Loc16-110; SO6/1-G-Loc16-99; SO6/1-G-Loc17-114; SO6/1-G-Loc18-115; SO6/1-G-Loc18-116; SO6/1-G-Loc18-118; SO6/1-G-Loc18-119; SO6/1-G-Loc18-120; SO6/1-G-Loc18-121; SO6/1-G-Loc18-122; SO6/1-G-Loc18-123; SO6/1-G-Loc18-124; SO6/1-G-Loc20-127; SO6/1-G-Loc20-128; SO6/1-G-Loc20-130; SO6/1-G-Loc20-131; SO6/1-G-Loc20-132; SO6/1-G-Loc20-133; SO6/1-G-Loc20-138; SO6/1-G-Loc21-137; Sonne; Titanium; Uranium; X-ray diffraction (XRD); Zinc
    Type: Dataset
    Format: text/tab-separated-values, 3717 data points
    Location Call Number Expected Availability
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  • 3
    Publication Date: 2023-08-28
    Keywords: Deposit type; DEPTH, sediment/rock; Description; Dredge; DRG; Identification; Location 20; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Pacific Ocean; Position; Quantity of deposit; Sediment type; Size; VA-05/1; VA-05/1_20; Valdivia (1961); Visual description
    Type: Dataset
    Format: text/tab-separated-values, 14 data points
    Location Call Number Expected Availability
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  • 4
    Publication Date: 2024-04-20
    Description: During Valdivia cruise VA 13/2 dredging brought exceptionnally thick Mn crusts on top of basalt. One of these deposits is 22 cm thick and consists of three main zones and numerous subzones and layers. On the basis of the macroscopically visible zoning pattern and the natural planes of separation between subzones or layers, chemical analyses were carried out for Mn, Fe, Ni, Cu, Co, and Ba by atomic absorption spectroscopy (AAS), U by delayed neutron activation analysis, and Ce and La by energy-dispersive X-ray analysis.
    Keywords: Aluminium oxide; Atomic absorption spectrometry (AAS); Barium; Cerium; Cobalt; Copper; Deposit type; DEPTH, sediment/rock; DISTANCE; Dredge; DRG; Elevation of event; Energy dispersive X-ray analysis, EDAX; Event label; Geochemistry; Identification; Image; Iron; Lanthanum; Latitude of event; Longitude of event; Manganese; manganese micronodule; manganese nodule; Neutron activation analysis; Nickel; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; ocean; Pacific Ocean; sediment; Silicon dioxide; Uranium; VA-13/2; VA13-2-237KD; Valdivia (1961); Zinc
    Type: Dataset
    Format: text/tab-separated-values, 279 data points
    Location Call Number Expected Availability
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  • 5
    Publication Date: 2024-04-16
    Keywords: Chromium; Cobalt; Deposit type; DEPTH, sediment/rock; Description; Dredge; DRG; Identification; Inductively coupled plasma atomic emission spectroscope (ICP-AES); Iron; Location 20; Nickel; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Pacific Ocean; VA-05/1; VA-05/1_20; Valdivia (1961)
    Type: Dataset
    Format: text/tab-separated-values, 96 data points
    Location Call Number Expected Availability
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