Citation:

PANGAEA.865339

Name: Annotated record of the detailed examination of Mn deposits from DSDP Site 26, Leg 4 (Core 4-26-1)
Published: 1970
License: https://creativecommons.org/licenses/by/3.0/

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Abstract:

Site 26 was selected on the crest of the Mid-Atlantic Ridge between 15°N and 5°S is offset to the east nearly 4000 kilometers through a series of fracture zones. One of the most prominent of these is the Vema Fracture Zone, a narrow east-west trending trough which cuts through the Mid-Atlantic Ridge at latitude 11°N.

Related to:

Bader, Richard G; Gerard, Robert D; Benson, William E; Bolli, Hans M; Hay, William W; Rothwell, W Thomas; Ruef, Michael R; Riedel, William R; Sayles, Frederick L (1970): Site 26. In: Bader, R.G. et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Government Print Office), 4, 77-91, https://doi.org/10.2973/dsdp.proc.4.105.1970

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):

Deep Sea Drilling Project (DSDP)

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

Coverage:

Latitude: 10.892500 * Longitude: -44.042800

Date/Time Start: 1969-02-14T00:00:00 * Date/Time End: 1969-02-14T00:00:00

Minimum DEPTH, sediment/rock: 98.50 m * Maximum DEPTH, sediment/rock: 99.26 m

Event(s):

4-26 * Latitude: 10.892500 * Longitude: -44.042800 * Date/Time: 1969-02-14T00:00:00 * Elevation: -5169.0 m * Penetration: 483 m * Recovery: 11 m * Location: North Atlantic/TROUGH * Campaign: * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 4 cores; 33 m cored; 0 m drilled; 33.3 % recovery

Comment:

Levels 4-26-1-21,100 and 4-26-1-3,26 depict Core 1, Hole 26, Sections 2 and 3, Silty Clay areas in agreement with Figure 13. Core 1, Hole 25A, Page 76 and extracted from Smear Slide Analysis results in PANGAEA Table doi:10.1594/PANGAEA.230685.

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1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other institutions.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	Comment
1	Sample ID	Sample ID		Bader, Richard G
2	Date/Time of event	Date/Time
3	Latitude of event	Latitude
4	Longitude of event	Longitude
5	Elevation of event	Elevation	m
6	Sample code/label	Sample label		Bader, Richard G
7	DEPTH, sediment/rock	Depth sed	m	Bader, Richard G	Geocode
8	Position	Position		Bader, Richard G
9	Deposit type	Deposit type		Bader, Richard G
10	Quantity of deposit	Quantity		Bader, Richard G
11	Size	Size		Bader, Richard G
12	Sediment type	Sediment		Bader, Richard G
13	Comment	Comment		Bader, Richard G
14	Description	Description		Bader, Richard G

License:

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

Size:

18 data points

Data

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

1 Sample ID	2 Date/Time	3 Latitude	4 Longitude	5 Elevation [m]	6 Sample label	7 Depth sed [m]	8 Position	9 Deposit type	10 Quantity	11 Size	12 Sediment	13 Comment	14 Description
4-26-1-21,100-1	1969-02-14	10.8925	-44.0428	-5169	4-26-1-21,100	98.50	Buried	Mn nodule	Few	Small	Clay	Medium gray, slightly silty clay with darker gray mottling	Glauconite and a few small manganese nodules (Figure 6. Core 1, Hole 26, Page 87 )
4-26-1-3,26-1	1969-02-14	10.8925	-44.0428	-5169	4-26-1-3,26	99.26	Buried	Mn nodule	Few	Small	Clay	Medium gray, slightly silty clay with darker gray mottling. Siltsize particles are quartz with some mica and feldspar.	Glauconite and a few small manganese nodules (Figure 6. Core 1, Hole 26, Page 87 )