Burns, Roger G; Fuerstenau, D W (1966): (Page 579) Average chemical composition of a manganese nodule from DOWNWIND (R/V Spencer Baird) DWHD16 station in the Pacific Ocean [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.856069, Supplement to: Burns, RG; Fuerstenau, DW (1966): Electron-probe determination of inter-element relationships in manganese nodules. American Mineralogist, 51, 895-902, http://www.minsocam.org/ammin/AM51/AM51_895.pdf
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Abstract:
Manganese nodules have attracted considerable attention in recent years as a potential source of Mn, Fe, Co, Ni, Cu and other minor elements. These elements are enriched in manganese nodules relative to igneous rocks, sea-water, and deep-sea clays. The present paper describes methods by which element correlations may be determined with the electron-probe, and summarizes the results obtained by electron-beam scanning and specimen traversing. The results obtained in the present electron-probe investigation of manganese nodules may be summarized as follows: (l) The iron concentration fluctuates whereas the manganese concentration is relatively uniform throughout a manganese nodule, hbing slightly higher where iron is low. (2) There is a distinct correlation between Fe, Co, Ti, and Ca. (3) There is pronounced element coherence between Xi, Cu, Zn, and Mg, and between K and Ba. These elements are enriched with Mn and Al in regions of a nodule where the iron concentration is low. (4) The pronounced inter element relationships suggest that isomorphic substitution is an important factor controlling minor element distribution in manganese nodules. The ions Ni2+. Cu2+, Zn2+, Mg2+, K+ and Ba2+ substitute for Mn2+ in the "manganite" phases, Co(III) occurs with Fe(III) in hydrated iron oxide phases and Ti(IV) in delta-MnO2.
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:
Latitude: -16.483000 * Longitude: -146.550000
Date/Time Start: 1957-11-12T00:00:00 * Date/Time End: 1957-11-12T00:00:00
Minimum DEPTH, sediment/rock: 0 m * Maximum DEPTH, sediment/rock: 0 m
Event(s):
DWHD16 * Latitude: -16.483000 * Longitude: -146.550000 * Date/Time: 1957-11-12T00:00:00 * Elevation: -1270.0 m * Location: Pacific Ocean * Campaign: DOWNWIND-H * Basis: Horizon * Method/Device: Dredge (DRG)
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 | Sample ID | Sample ID | Burns, Roger G | |||
| 2 | DEPTH, sediment/rock | Depth sed | m | Burns, Roger G | Geocode | |
| 3 | Manganese | Mn | % | Burns, Roger G | Electron Probe Microanalysis (EPMA) | |
| 4 | Iron | Fe | % | Burns, Roger G | Electron Probe Microanalysis (EPMA) | |
| 5 | Cobalt | Co | % | Burns, Roger G | Electron Probe Microanalysis (EPMA) | |
| 6 | Nickel | Ni | % | Burns, Roger G | Electron Probe Microanalysis (EPMA) | |
| 7 | Copper | Cu | % | Burns, Roger G | Electron Probe Microanalysis (EPMA) | |
| 8 | Zinc | Zn | % | Burns, Roger G | Electron Probe Microanalysis (EPMA) | |
| 9 | Potassium | K | % | Burns, Roger G | Electron Probe Microanalysis (EPMA) | |
| 10 | Calcium | Ca | % | Burns, Roger G | Electron Probe Microanalysis (EPMA) | |
| 11 | Titanium | Ti | % | Burns, Roger G | Electron Probe Microanalysis (EPMA) | |
| 12 | Magnesium | Mg | % | Burns, Roger G | Electron Probe Microanalysis (EPMA) | |
| 13 | Aluminium | Al | % | Burns, Roger G | Electron Probe Microanalysis (EPMA) | |
| 14 | Silicon | Si | % | Burns, Roger G | Electron Probe Microanalysis (EPMA) | |
| 15 | Description | Description | Burns, Roger G |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
14 data points