Citation:

PANGAEA.874701

Name: Annotated record of the detailed examination of Mn deposits from the Great Meteor Seamount (RRS Charles Drawin Cruise 9B)
Creator: R C Searle
Published: 1986
License: https://creativecommons.org/licenses/by/3.0/

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Abstract:

The cruise represented a continuation of our DoE research programme on oceanic radioactive waste disposal. A new instrument to be tried this time was the IOS deep-towed sonar TOBI. This instrument had been under development for some time, and cruise 9B was to be its first full operational test. WASP camera runs were to be made over an abyssal hill, in order to delineate the field of manganese nodules discovered there on Piscovery cruise 153, and over the line of a deep trawl (D10972/5) carried out earlier by IOS biologists, which had apparently recovered manganese nodules from the abyssal plain.

Related to:

Searle, R C (1986): RRS Charles Drawin Cruise 9B/85: 6 December 1985 - 6 January 1986. Geology and geophysics of the Great Meteor East area, Madeira Abyssal Plain. Cruise Report, Institute of Oceanographic Sciences, Wormley, United Kingdom, 182, 45 pp, https://eprints.soton.ac.uk/14203/

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: 31.311667 * Median Longitude: -25.180416 * South-bound Latitude: 31.008333 * West-bound Longitude: -25.288333 * North-bound Latitude: 31.426667 * East-bound Longitude: -24.951667

Date/Time Start: 1985-12-11T00:00:00 * Date/Time End: 1985-12-21T00:00:00

Minimum DEPTH, sediment/rock: 0 m * Maximum DEPTH, sediment/rock: 0 m

Event(s):

CD9B-6 * Latitude: 31.415000 * Longitude: -25.273333 * Date/Time: 1985-12-11T00:00:00 * Elevation: -5283.0 m * Location: Atlantic Ocean * Campaign: * Basis: Charles Darwin * Method/Device: Box corer (BC)

CD9B-7 * Latitude: 31.426667 * Longitude: -25.288333 * Date/Time: 1985-12-12T00:00:00 * Elevation: -5269.0 m * Location: Atlantic Ocean * Campaign: * Basis: Charles Darwin * Method/Device: Kasten corer (KAL)

CD9B-20 * Latitude: 31.396667 * Longitude: -25.208333 * Date/Time: 1985-12-17T00:00:00 * Elevation: -5218.0 m * Location: Atlantic Ocean * Campaign: * Basis: Charles Darwin * Method/Device: Photo/Video (PV)

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	Method/Device	Comment
1	Event label	Event
2	Identification	ID
3	DEPTH, sediment/rock	Depth sed	m		Geocode
4	Position	Position		Visual description
5	Deposit type	Deposit type
6	Quantity of deposit	Quantity
7	Description	Description

License:

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

Size:

20 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 Event	2 ID	4 Position	5 Deposit type	6 Quantity	7 Description
CD9B-6	CD9B-6-1	Surface	Mn nodule	3	On Mn nodule field. 60 cm core with three nodules on the surface.
CD9B-7	CD9B-7-1	Surface	Mn nodule	Several	On Mn nodule field. Successful: 1 m core.
CD9B-20	CD9B-20-1	Surface	Mn nodule	Many	The processed film revealed that the WASP had photographed the target revealing a variety of manganese nodules lying on the sea floor.
CD9B-29	CD9B-29-1	Surface	Mn nodule	Several	Cover the line of station D11261/58, where earlier in the year IOS biologists had dredged manganese nodules. Successful.