Citation:

PANGAEA.957787

Name: Rare earth element composition of Mn deposits at Site H in the Pacific Ocean
Published: 2023-04-24
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Geochemistry; manganese micronodule; manganese nodule; ocean; sediment

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Published: 2023-04-24 • DOI registered: 2023-05-23

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Abstract:

The table presents the REE contents and fluxes of manganese nodules and crusts from the Manganese Nodule Program (MANOP) site H (6.5° N, 93° W) in the eastern equatorial Pacific. Samples for this study were analysed for La, Ce, Nd, Sm, Eu, Tb, Yb and Lu by instrumental neutron activation. Analytical precision for the REE was within 10% for all samples, except for Nd and Tb which have peak interferences. Interferences due to U were negligible.

Keyword(s):

Geochemistry; manganese micronodule; manganese nodule; ocean; sediment

Related to:

Murphy, Kim; Dymond, Jack R (1984): Rare earth element fluxes and geochemical budget in the eastern equatorial Pacific. Nature, 307(5950), 444-447, https://doi.org/10.1038/307444a0

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: 6.543096 * Median Longitude: -92.803859 * South-bound Latitude: 6.471670 * West-bound Longitude: -92.890000 * North-bound Latitude: 6.567000 * East-bound Longitude: -92.755000

Date/Time Start: 1977-10-20T00:00:00 * Date/Time End: 1981-10-17T00:00:00

Minimum DEPTH, sediment/rock: 0.0 m * Maximum DEPTH, sediment/rock: 1.7 m

Event(s):

ALV-1146-C11 (PLUTO III (MANOP Site H)) * Latitude: 6.550000 * Longitude: -92.890000 * Date/Time: 1981-10-17T00:00:00 * Elevation: -3650.0 m * Recovery: 0.23 m * Location: Pacific Ocean * Campaign: (PLUTOIII) * Basis: Alvin * Method/Device: Core (CORE)

INMD-26BX_B1 (INMD01-26BX_B1 (MANOP Site H)) * Latitude: 6.551670 * Longitude: -92.755000 * Date/Time: 1977-10-20T00:00:00 * Elevation: -3567.0 m * Recovery: 0.34 m * Location: East Pacific Ocean * Campaign: * Basis: Melville * Method/Device: Box corer (BC)

INMD-27BX_B5 (INMD01-27BX_B5 (MANOP Site H)) * Latitude: 6.471670 * Longitude: -92.846670 * Date/Time: 1977-10-20T00:00:00 * Elevation: -3639.0 m * Recovery: 0.28 m * Location: East Pacific Ocean * Campaign: * Basis: Melville * Method/Device: Box corer (BC)

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 1, pp. 445 of the related publication.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event		Murphy, Kim
2	Latitude of event	Latitude		Murphy, Kim
3	Longitude of event	Longitude		Murphy, Kim
4	Elevation of event	Elevation	m	Murphy, Kim
5	Identification	ID		Murphy, Kim
6	Deposit type	Deposit type		Murphy, Kim
7	DEPTH, sediment/rock	Depth sed	m	Murphy, Kim		Geocode
8	Lanthanum	La	mg/kg	Murphy, Kim	Neutron activation analysis
9	Cerium	Ce	mg/kg	Murphy, Kim	Neutron activation analysis
10	Neodymium	Nd	mg/kg	Murphy, Kim	Neutron activation analysis
11	Samarium	Sm	mg/kg	Murphy, Kim	Neutron activation analysis
12	Europium	Eu	mg/kg	Murphy, Kim	Neutron activation analysis
13	Terbium	Tb	mg/kg	Murphy, Kim	Neutron activation analysis
14	Ytterbium	Yb	mg/kg	Murphy, Kim	Neutron activation analysis
15	Lutetium	Lu	mg/kg	Murphy, Kim	Neutron activation analysis
16	Sample type	Samp type		Murphy, Kim	Neutron activation analysis	Part analysed

License:

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

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

352 data points

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Datasets with similar metadata

Dymond, JR; Lyle, MW; Finney, BP et al. (2023): MANOP Site H manganese nodules and crusts chemical composition determined by instrumental neutron activation (INAA). https://doi.org/10.1594/PANGAEA.961505
Dymond, JR; Lyle, MW; Finney, BP et al. (2023): MANOP Site H manganese nodules and crusts chemical composition determined by atomic absorption spectrometry (AAS). https://doi.org/10.1594/PANGAEA.961504
Lyle, MW; Rosson, R (1980): Annotated record of the detailed examination of Mn deposits from R/V Melville Cruise Vulcan-1, MANOP M and H stations. https://doi.org/10.1594/PANGAEA.877913

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