Citation:

PANGAEA.959656

Name: Chemical composition of sediments, manganese micronodules and nodules from the South Pacific
Published: 2023-06-26
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Geochemistry; manganese micronodule; manganese nodule; ocean; sediment

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Published: 2023-06-26 • DOI registered: 2023-07-28

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Abstract:

A geochemical (major and trace elements including rare earths) study was made of core samples drilled between the Touamotou Archipelago and the Marqueses Islands during the COPANO campaign (R/V Le Noroit). The samples consisted of cores of surface sediment and a large flattened nodule with an indurated nucleus. In one of the cores, the comosition of manganese micronodules was also udertaken. The geochemical determination of most of the major and trace constituants has been by direct-reading arc spectrometry. Na and K have been measured by optical emission spectroscopy. Samples were first dessicated at 110°C before analysis. Loss on ignition was also determined at 1000°C.

Keyword(s):

Geochemistry; manganese micronodule; manganese nodule; ocean; sediment

Related to:

Hoffert, Michel; Karpoff, Anne Marie; Clauer, Norbert; Schaaf, André; Courtois, Chantal; Pautot, Guy (1978): Neoformation and weathering of three associated volcanosedimentary levels from the South Pacific (Néoformations et altérations dans trois facies volcano-sédimentaires du Pacifique Sud). Oceanologica Acta, 1, 187-202, publication-5231.pdf

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: -12.481083 * Median Longitude: -143.405417 * South-bound Latitude: -13.498333 * West-bound Longitude: -148.571667 * North-bound Latitude: -9.810000 * East-bound Longitude: -128.103333

Date/Time Start: 1972-11-29T00:00:00 * Date/Time End: 1972-12-19T00:00:00

Minimum DEPTH, sediment/rock: 0.0000 m * Maximum DEPTH, sediment/rock: 0.1975 m

Event(s):

TRSPC1-023B (T023B) * Latitude: -13.401000 * Longitude: -148.571667 * Date/Time: 1972-12-19T00:00:00 * Elevation: -4636.0 m * Location: Pacific Ocean * Campaign: (NIXO) * Basis: Le Noroit * Method/Device: Free-fall grab (FFGR)

TRSPC1-DN02 (TDN2) * Latitude: -13.498333 * Longitude: -148.473333 * Date/Time: 1972-12-19T00:00:00 * Elevation: -4515.0 m * Location: Pacific Ocean * Campaign: (NIXO) * Basis: Le Noroit * Method/Device: Dredge (DRG)

TRSPC1-KS07 (TKR07) * Latitude: -9.810000 * Longitude: -128.103333 * Date/Time: 1972-11-29T00:00:00 * Elevation: -4175.0 m * Recovery: 0.2 m * Location: Pacific Ocean * Campaign: (NIXO) * Basis: Le Noroit * Method/Device: Core (CORE)

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.

This dataset represents the digitized Table 2,4 and 5, pp. 119,120 and 123 of the related publication.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event		Hoffert, Michel
2	Latitude of event	Latitude		Hoffert, Michel
3	Longitude of event	Longitude		Hoffert, Michel
4	Elevation of event	Elevation	m	Hoffert, Michel
5	Identification	ID		Hoffert, Michel
6	Deposit type	Deposit type		Hoffert, Michel
7	DEPTH, sediment/rock	Depth sed	m	Hoffert, Michel		Geocode
8	Depth, top/min	Depth top	m	Hoffert, Michel
9	Depth, bottom/max	Depth bot	m	Hoffert, Michel
10	Sample type	Samp type		Hoffert, Michel		Part analysed
11	Silicon dioxide	SiO2	%	Hoffert, Michel	Direct-reading arc spectrometry
12	Aluminium oxide	Al2O3	%	Hoffert, Michel	Direct-reading arc spectrometry
13	Magnesium oxide	MgO	%	Hoffert, Michel	Direct-reading arc spectrometry
14	Calcium oxide	CaO	%	Hoffert, Michel	Direct-reading arc spectrometry
15	Iron oxide, Fe2O3	Fe2O3	%	Hoffert, Michel	Direct-reading arc spectrometry
16	Manganous manganic oxide	Mn3O4	%	Hoffert, Michel	Direct-reading arc spectrometry
17	Titanium dioxide	TiO2	%	Hoffert, Michel	Direct-reading arc spectrometry
18	Sodium oxide	Na2O	%	Hoffert, Michel	Optical emission spectrography
19	Potassium oxide	K2O	%	Hoffert, Michel	Optical emission spectrography
20	Loss on ignition	LOI	%	Hoffert, Michel	Wet chemistry
21	Strontium	Sr	mg/kg	Hoffert, Michel	Direct-reading arc spectrometry
22	Barium	Ba	mg/kg	Hoffert, Michel	Direct-reading arc spectrometry
23	Vanadium	V	mg/kg	Hoffert, Michel	Direct-reading arc spectrometry
24	Nickel	Ni	mg/kg	Hoffert, Michel	Direct-reading arc spectrometry
25	Cobalt	Co	mg/kg	Hoffert, Michel	Direct-reading arc spectrometry
26	Chromium	Cr	mg/kg	Hoffert, Michel	Direct-reading arc spectrometry
27	Boron	B	mg/kg	Hoffert, Michel	Direct-reading arc spectrometry
28	Zinc	Zn	mg/kg	Hoffert, Michel	Direct-reading arc spectrometry
29	Gallium	Ga	mg/kg	Hoffert, Michel	Direct-reading arc spectrometry
30	Copper	Cu	mg/kg	Hoffert, Michel	Direct-reading arc spectrometry
31	Lead	Pb	mg/kg	Hoffert, Michel	Direct-reading arc spectrometry
32	Lanthanum	La	mg/kg	Hoffert, Michel	Direct-reading arc spectrometry
33	Cerium	Ce	mg/kg	Hoffert, Michel	Direct-reading arc spectrometry
34	Neodymium	Nd	mg/kg	Hoffert, Michel	Direct-reading arc spectrometry
35	Samarium	Sm	mg/kg	Hoffert, Michel	Direct-reading arc spectrometry
36	Europium	Eu	mg/kg	Hoffert, Michel	Direct-reading arc spectrometry
37	Terbium	Tb	mg/kg	Hoffert, Michel	Direct-reading arc spectrometry
38	Ytterbium	Yb	mg/kg	Hoffert, Michel	Direct-reading arc spectrometry
39	Lutetium	Lu	mg/kg	Hoffert, Michel	Direct-reading arc spectrometry