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Asavin, A M; Anikeeva, Lidiya I; Kazakova, V A; Andreev, Sergey I; Sapozhnikov, Dmitry A; Roshchina, I A; Kogarko, Liya N (2008): Composition of ferromanganese crusts from the Atlantic, Pacific and Indian Oceans [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.725338

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Abstract:
A collection of layered ferromanganese ores (27 samples) from the Atlantic and Pacific oceans was studied. Trace element and PGE contents were determined layer-by-layer (up to 10 microlayers) in 13 of these samples.
The trace, rare earth, and platinum group element distributions, including their layer-to-layer variations, were compared in hydrogenic and hydrothermal crusts from different regions. It was found that the main PGE variations (by a factor of 10-50) are related to their layer-to-layer variations within a given ore field.
The distributions of PGE and trace elements are strongly heterogeneous, which is related, first, to different contents of the elements in the layers of different age in ferromanganese crusts (FMC) and, second, to the observed regional heterogeneity and influence of hydrothermal fluids. Geochemical data indicate that CFC formation was mainly caused by the hydrochemical precipitation of material from seawater. This process was accompanied by diagenetic phenomena, water-rock interaction, and influence of volcanic and hydrothermal sources.
Related to:
Asavin, A M; Anikeeva, Lidiya I; Kazakova, V A; Andreev, Sergey I; Sapozhnikov, Dmitry A; Roshchina, I A; Kogarko, Liya N (2008): Trace element and PGE distribution in layered ferromanganese crusts. Geochemistry International, 46(12), 1179-1205, https://doi.org/10.1134/S001670290812001X
Project(s):
Archive of Ocean Data (ARCOD)
Coverage:
Median Latitude: 1.449514 * Median Longitude: 176.965050 * South-bound Latitude: -34.430000 * West-bound Longitude: 29.948000 * North-bound Latitude: 19.567000 * East-bound Longitude: -19.754167
Event(s):
Asav-3 * Latitude: 19.411000 * Longitude: -179.350000 * Elevation: -1849.0 m * Location: Mid-Pacific Seamounts * Method/Device: Dredge (DRG)
Asav-5 * Latitude: 12.833000 * Longitude: 156.833000 * Elevation: -1460.0 m * Location: Magellan Seamounts, guyot MZh-37 * Method/Device: Dredge (DRG)
Asav-11 * Latitude: 14.167000 * Longitude: 156.500000 * Elevation: -1750.0 m * Location: Magellan Seamounts, guyot MZh-34 * Method/Device: Dredge (DRG)
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
6 datasets

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Datasets listed in this publication series

  1. Asavin, AM; Anikeeva, LI; Kazakova, VA et al. (2008): (Table 1) Description of ocean ferromanganese crust samples. https://doi.org/10.1594/PANGAEA.725330
  2. Asavin, AM; Anikeeva, LI; Kazakova, VA et al. (2008): (Table 2) Major component contents in ocean ferromanganese crusts. https://doi.org/10.1594/PANGAEA.725331
  3. Asavin, AM; Anikeeva, LI; Kazakova, VA et al. (2008): (Table 3) Trace element contents in ocean ferromanganese crusts. https://doi.org/10.1594/PANGAEA.725332
  4. Asavin, AM; Anikeeva, LI; Kazakova, VA et al. (2008): (Table 4) Rare earth and some trace element contents in ocean ferromanganese crusts. https://doi.org/10.1594/PANGAEA.725333
  5. Asavin, AM; Anikeeva, LI; Kazakova, VA et al. (2008): (Table 5) Platinum group element and noble metal contents in ocean ferromanganese crusts. https://doi.org/10.1594/PANGAEA.725334
  6. Asavin, AM; Anikeeva, LI; Kazakova, VA et al. (2008): (Table 6) Variations in Pt, Pd and Au contents in ocean multilayered ferromanganese crusts. https://doi.org/10.1594/PANGAEA.725335