Citation:

80931

Name: (Table, page 233) Comparative analysis of manganese nodules
Published: 1977
License: https://creativecommons.org/licenses/by/3.0/

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Abstract:

A preliminary report on the manganese nodule field southwest of Western Australia published in this Journal recently (Frakes, Exon and Granath, 1977) quoted chemical analyses which were carried out on air-dried material. Significantly higher metal values have been recorded in some later analyses done on nodules dried at 105°C. Tests have shown that the ground, air-dried material retains considerable moisture, which accounts for the higher metal values of the later analyses. The average water content (after drying at 105°C) has been determined at 16 percent. The relevant chemical data now available on this material are summarised in the accompanying table: in this table metal values (by atomic absorption spectrophotometry) have been recalculated assuming a moisture content of 16 percent.

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):

NOAA and MMS Marine Minerals Geochemical Database (NOAA-MMS)

Coverage:

Median Latitude: -37.297917 * Median Longitude: 104.399999 * South-bound Latitude: -41.883333 * West-bound Longitude: 98.966667 * North-bound Latitude: -34.633333 * East-bound Longitude: 114.166660

Date/Time Start: 1976-01-28T00:00:00 * Date/Time End: 1976-02-04T00:00:00

Minimum Elevation: -5000.0 m * Maximum Elevation: -4300.0 m

Event(s):

DIAM76_NOD-2 * Latitude: -40.050000 * Longitude: 114.166660 * Date/Time: 1976-01-28T00:00:00 * Elevation: -4700.0 m * Location: Indian Ocean * Campaign: * Basis: Diamantina * Method/Device: Dredge (DRG)

DIAM76_NOD-3 * Latitude: -41.883333 * Longitude: 113.950000 * Date/Time: 1976-01-29T00:00:00 * Elevation: -4300.0 m * Location: Indian Ocean * Campaign: * Basis: Diamantina * Method/Device: Dredge (DRG)

DIAM76_NOD-4 * Latitude: -37.950000 * Longitude: 103.150000 * Date/Time: 1976-01-30T00:00:00 * Elevation: -5000.0 m * Location: Indian Ocean * Campaign: * Basis: Diamantina * 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
1	Event label	Event		Frakes, Lawrence A
2	Latitude of event	Latitude		Frakes, Lawrence A
3	Longitude of event	Longitude		Frakes, Lawrence A
4	Elevation of event	Elevation	m	Frakes, Lawrence A
5	Sample code/label	Sample label		Frakes, Lawrence A
6	Laboratory	Lab		Frakes, Lawrence A
7	Replicates	Repl	#	Frakes, Lawrence A
8	Iron	Fe	%	Frakes, Lawrence A
9	Manganese	Mn	%	Frakes, Lawrence A
10	Nickel	Ni	%	Frakes, Lawrence A
11	Copper	Cu	%	Frakes, Lawrence A
12	Cobalt	Co	%	Frakes, Lawrence A

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Size:

143 data points

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