Citation:

PANGAEA.961645

Name: Chemical composition of ferromanganese deposits from the Mariana and Volcano volcanic arcs
Published: 2023-08-21
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Geochemistry; manganese micronodule; manganese nodule; ocean; sediment

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Abstract:

During R/V T. Thompson cruise TT-192 around the the Mariana and Volcano Volcanic Arcs 60% of the dredge recoveries contained ferromanganese deposits. Substrate rocks consisted of intermediate to mafic volcanic rocks, volcaniclastic rocks, volcanic breccia, and minor limestone. Volcaniclastic rocks were dominantly sandstone but ranged from mudstone to conglomerate. Ferromanganese deposits occur in five ways: Yellow-brown to black ferromanganese encrustations on rocks; brown, grey, and black ferromanganese oxides cementing volcaniclastic sandstone; stratiform, stratabound Mn oxide rich layers that are pale to dark grey, rarely brownish-grey, with a submetallic luster; cobbles of dark grey submetallic, irregularly shaped masses of manganese (Mn nodules ?) and weatehered black cobbles rich in magnetite. A selection of these deposits was chemically analysed including major and minor elements, rare earth elements, and platinum-group elements. The chemistry determination was done by Induction Coupled Plasma analyses done by J. G. Crock, and K. Kennedy at the U.S. Geological Survey laboratories in Reston, Denver and Menlo Park respectively. Water and CO2 determinations were done by wet chemical techniques.

Keyword(s):

Geochemistry; manganese micronodule; manganese nodule; ocean; sediment

Related to:

Hein, James R; Fleishman, C L; Morgenson, Lisa A; Bloomer, Sherman H; Stern, Robert J (1987): Submarine ferromanganese deposits from the Mariana and Volcano volcanic arcs, west Pacific. US Geological Survey, Menlo Park, California, USA, 67 pp

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: 21.965954 * Median Longitude: 143.205854 * South-bound Latitude: 17.148300 * West-bound Longitude: 141.273300 * North-bound Latitude: 25.121600 * East-bound Longitude: 145.656700

Minimum Elevation: -2975.0 m * Maximum Elevation: -172.0 m

Event(s):

TT192-D3 (HalbachD36) * Latitude: 17.148300 * Longitude: 145.656700 * Elevation: -2975.0 m * Recovery: 6 kg * Location: Pacific Ocean * Campaign: (Marianas) * Basis: * Method/Device: Dredge (DRG)

TT192-D8 * Latitude: 19.149500 * Longitude: 145.498300 * Elevation: -2880.0 m * Recovery: 300 kg * Location: Pacific Ocean * Campaign: (Marianas) * Basis: * Method/Device: Dredge (DRG)

TT192-D11 * Latitude: 19.455000 * Longitude: 145.490600 * Elevation: -1380.0 m * Recovery: 450 kg * Location: Pacific Ocean * Campaign: (Marianas) * Basis: * 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.

This dataset represents the digitized Tables 5 and 6, pp. 30-33, of the related publication.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event		Hein, James R
2	Latitude of event	Latitude		Hein, James R
3	Longitude of event	Longitude		Hein, James R
4	Elevation of event	Elevation	m	Hein, James R
5	Identification	ID		Hein, James R
6	Sample code/label	Sample label		Hein, James R		MANH label
7	Deposit type	Deposit type		Hein, James R
8	DEPTH, sediment/rock	Depth sed	m	Hein, James R		Geocode
9	DISTANCE	Distance	cm	Hein, James R		Geocode
10	DISTANCE	Distance	cm	Hein, James R		Geocode – min
11	DISTANCE	Distance	cm	Hein, James R		Geocode – max
12	Silicon	Si	%	Hein, James R	Induction-coupled plasma technique
13	Aluminium	Al	%	Hein, James R	Induction-coupled plasma technique
14	Iron	Fe	%	Hein, James R	Induction-coupled plasma technique
15	Magnesium	Mg	%	Hein, James R	Induction-coupled plasma technique
16	Calcium	Ca	%	Hein, James R	Induction-coupled plasma technique
17	Sodium	Na	%	Hein, James R	Induction-coupled plasma technique
18	Potassium	K	%	Hein, James R	Induction-coupled plasma technique
19	Titanium	Ti	%	Hein, James R	Induction-coupled plasma technique
20	Phosphorus	P	%	Hein, James R	Induction-coupled plasma technique
21	Manganese	Mn	%	Hein, James R	Induction-coupled plasma technique
22	Water in rock	H2O	%	Hein, James R	Wet chemistry	H2O-, hydratation water
23	Water in rock	H2O	%	Hein, James R	Wet chemistry	H2O+, structural water
24	Carbon dioxide	CO2	%	Hein, James R	Wet chemistry
25	Arsenic	As	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
26	Barium	Ba	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
27	Cadmium	Cd	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
28	Cobalt	Co	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
29	Chromium	Cr	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
30	Copper	Cu	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
31	Molybdenum	Mo	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
32	Nickel	Ni	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
33	Lead	Pb	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
34	Strontium	Sr	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
35	Vanadium	V	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
36	Zinc	Zn	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
37	Yttrium	Y	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
38	Lanthanum	La	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
39	Cerium	Ce	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
40	Praseodymium	Pr	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
41	Neodymium	Nd	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
42	Samarium	Sm	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
43	Europium	Eu	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
44	Gadolinium	Gd	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
45	Terbium	Tb	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
46	Dysprosium	Dy	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
47	Holmium	Ho	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
48	Erbium	Er	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
49	Thulium	Tm	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
50	Ytterbium	Yb	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
51	Lutetium	Lu	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
52	Platinum	Pt	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
53	Palladium	Pd	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
54	Rhodium	Rh	mg/kg	Hein, James R	Induction-coupled plasma technique	ppm
55	Lithology/composition/facies	Lithology		Hein, James R		Lithological description of deposit

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC) * Processing Level: PANGAEA data processing level 3 (ProcLevel3)

Size:

1911 data points

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