Frakes, Lawrence A (1982): Chemical analysis of manganese nodules from the Cape Leeuwin field, southeast Indian Ocean [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.857971, Supplement to: Frakes, LA (1982): Metal chemistry of manganese nodules from the Cape Leeuwin field, southeast Indian Ocean. Marine Geology, 47(1-2), M1-M10, https://doi.org/10.1016/0025-3227(82)90014-7
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Abstract:
Manganese nodules from 36 stations in the Cape Leeuwin field were analyzed for Mn, Fe, Ni, Cu and Co and the results were combined with earlier work to demonstrate quantitative and geographic variations. Nodules in this field are moderately enriched in Ni, moderately depleted in Cu, and contain intermediate values of Co. The sum of Ni + Cu vs. Mn/Fe plots along a hyperbolic regression line derived from nodules of the southeastern Pacific, suggesting that this relationship has general applicability. Regional variations in nodule grade (Ni + Cu + Co) assist in defining pathways of Antarctic Bottom Water between the Southeast Indian Ridge and the Wharton basin.
Source:
Grant, John Bruce; Moore, Carla J; Alameddin, George; Chen, Kuiying; Barton, Mark (1992): The NOAA and MMS Marine Minerals Geochemical Database. National Geophysical Data Center, NOAA, https://doi.org/10.7289/V52Z13FT
Further details:
Warnken, Robin R; Virden, William T; Moore, Carla J (1992): The NOAA and MMS Marine Minerals Bibliography. National Geophysical Data Center, NOAA, https://doi.org/10.7289/V53X84KN
Project(s):
Coverage:
Median Latitude: -38.217726 * Median Longitude: 109.827738 * South-bound Latitude: -41.883333 * West-bound Longitude: 98.966667 * North-bound Latitude: -34.633333 * East-bound Longitude: 118.000000
Date/Time Start: 1976-01-29T00:00:00 * Date/Time End: 1977-07-01T00:00:00
Comment:
Data extracted of previously unpublished material by LA Frakes (hdl:10013/epic.46826.d001).
From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other institutions. At the time it was the most extended data compilation on ferromanganese deposits world wide. Initially published in a proprietary format incompatible with present day standards it was jointly decided by AWI and NOAA to transcribe this legacy data into PANGAEA. This transfer is augmented by a careful checking of the original sources when available and the encoding of ancillary information (sample description, method of analysis...) not present in the NOAA-MMS database.
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
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Datasets listed in this publication series
- Frakes, LA (1982): Chemical analysis of manganese nodules from the Cape Leeuwin field, southeast Indian Ocean provided by the Monash University, Australia. https://doi.org/10.1594/PANGAEA.857967
- Frakes, LA (1982): Chemical analysis of manganese nodules from the Cape Leeuwin field, southeast Indian Ocean provided by the AMDEL Laboratory, Adelaide, Australia. https://doi.org/10.1594/PANGAEA.857968
- Frakes, LA (1982): Chemical analysis of manganese nodules from the Cape Leeuwin field, southeast Indian Ocean provided by the Material Research Laboratory (MRL), Defense Dept., Australia and the Bureau of Mineral Resources (BMR), Australia. https://doi.org/10.1594/PANGAEA.857969
- Frakes, LA (1982): Chemical analysis of manganese nodules from the Cape Leeuwin field, southeast Indian Ocean provided by the Conzine Rio-Tinto Australia (CRA), Broken Hill, Australia. https://doi.org/10.1594/PANGAEA.857970