Bäcker, Harald (2023): Chemical composition of Indian Ocean manganese nodules analyzed at Preuss-AG [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.956570
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Published: 2023-03-15 • DOI registered: 2023-04-13
Abstract:
During the TRANSINDIK (VA07) campaign of the R/V Valdivia in the Central Indian Ocean manganese nodules were retrieved and analysed for their metal composition at Preuss-AG (PREUSSAG) by H. Bäcker. The campaign was conducted from 14 December 1973 until 23 January 1974, between Beira (Mozambique) and Singapore via Port Louis (Mauritius). This geochemical data was not published in the literature and transfered at a later stage into Scripps Institution of Oceanography (SIO) manganese nodule analysis file compiled under the direction of Jane Frazer and Mary Fisk. In this dataset, manganese nodules from the Pacific and the Indian oceans were analyzed at Preuss-AG by Atomic absorption spectrophotometry (AAS)
Related to:
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: -18.534752 * Median Longitude: 67.236887 * South-bound Latitude: -29.216000 * West-bound Longitude: 50.658333 * North-bound Latitude: -11.984233 * East-bound Longitude: 81.863000
Date/Time Start: 1974-01-01T00:00:00 * Date/Time End: 1974-01-01T00:00:00
Minimum DEPTH, sediment/rock: 0.00 m * Maximum DEPTH, sediment/rock: 0.27 m
Event(s):
VA07-22GBD (VA07/22GBD_GF) * Latitude: -26.516867 * Longitude: 55.116672 * Date/Time: 1974-01-01T00:00:00 * Elevation: -5176.0 m * Location: Indian Ocean * Campaign: VA-07 (TRANSINDIK) * Basis: Valdivia (1961) * Method/Device: Free-fall grab (FFGR)
VA07-23GBD (VA07/23GBD_GF) * Latitude: -26.450000 * Longitude: 55.216672 * Date/Time: 1974-01-01T00:00:00 * Elevation: -5209.0 m * Location: Indian Ocean * Campaign: VA-07 (TRANSINDIK) * Basis: Valdivia (1961) * Method/Device: Free-fall grab (FFGR)
VA07-24GBD (VA07/24GBD_GF) * Latitude: -26.450100 * Longitude: 55.216677 * Date/Time: 1974-01-01T00:00:00 * Elevation: -5209.0 m * Location: Indian Ocean * Campaign: VA-07 (TRANSINDIK) * Basis: Valdivia (1961) * Method/Device: Free-fall grab (FFGR)
Comment:
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.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Bäcker, Harald | |||
| 2 | Latitude of event | Latitude | Bäcker, Harald | |||
| 3 | Longitude of event | Longitude | Bäcker, Harald | |||
| 4 | Elevation of event | Elevation | m | Bäcker, Harald | ||
| 5 | Identification | ID | Bäcker, Harald | |||
| 6 | Deposit type | Deposit type | Bäcker, Harald | |||
| 7 | DEPTH, sediment/rock | Depth sed | m | Bäcker, Harald | Geocode | |
| 8 | Manganese | Mn | % | Bäcker, Harald | Atomic absorption spectrophotometry | |
| 9 | Iron | Fe | % | Bäcker, Harald | Atomic absorption spectrophotometry | |
| 10 | Nickel | Ni | % | Bäcker, Harald | Atomic absorption spectrophotometry | |
| 11 | Copper | Cu | % | Bäcker, Harald | Atomic absorption spectrophotometry | |
| 12 | Cobalt | Co | % | Bäcker, Harald | Atomic absorption spectrophotometry | |
| 13 | Lead | Pb | % | Bäcker, Harald | Atomic absorption spectrophotometry | |
| 14 | Zinc | Zn | mg/kg | Bäcker, Harald | Atomic absorption spectrophotometry | |
| 15 | Aluminium | Al | % | Bäcker, Harald | Atomic absorption spectrophotometry | |
| 16 | Calcium | Ca | % | Bäcker, Harald | Atomic absorption spectrophotometry | |
| 17 | Sample type | Samp type | Bäcker, Harald | Part analysed | ||
| 18 | Shape | Shape | Bäcker, Harald | Overall shape of manganese nodule | ||
| 19 | Texture | Texture | Bäcker, Harald | Surface texture of manganese nodule | ||
| 20 | Nodules, mass abundance | Nodules | kg/m2 | Bäcker, Harald | ||
| 21 | Sediment type | Sediment | Bäcker, Harald |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
409 data points