Bolli, Hans M; Ryan, William B F; Foresman, J B; Hottman, W E; Kagami, H; Longoria, J F; McKnight, B K; Melguen, M; Natland, J; Proto-Decima, F; Siesser, W G (1978): Annotated record of the detailed examination of Mn deposits from DSDP Leg 40 (Hole 361) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.871366, Supplement to: Bolli, HM et al. (1978): Initial Reports of the Deep Sea Drilling Project. U. S. Government Printing Office, XL, 1079 pp, https://doi.org/10.2973/dsdp.proc.40.1978
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Abstract:
From a structural and morphological point of view, the continental margin of southwestern Africa is a middle-aged "pull-apart" or "passive-type" margin which was initially created during the breakup of the supercontinent of Gondwanaland in the Mesozoic. The most important objective of the Leg 40 expedition was the attainment of strata laid down when the newly formed ocean was very young and only a few hundred kilometers wide. Site 361 was drilled at the fall of continental platform into the Cape Basin, to a sub-sea floor depth of 1314 meters and yielded sediments that range in age from upper Eocene to lower Aptian and possibly slightly older.
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)
Coverage:
Latitude: -35.066200 * Longitude: 15.448500
Date/Time Start: 1975-01-05T00:00:00 * Date/Time End: 1975-01-05T00:00:00
Minimum DEPTH, sediment/rock: 299.65 m * Maximum DEPTH, sediment/rock: 858.92 m
Event(s):
40-361 * Latitude: -35.066200 * Longitude: 15.448500 * Date/Time: 1975-01-05T00:00:00 * Elevation: -4549.0 m * Penetration: 1314 m * Recovery: 230.2 m * Location: South Atlantic Ocean * Campaign: Leg40 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 49 cores; 465.5 m cored; 0 m drilled; 49.5 % recovery
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1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other institutions.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 | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Identification | ID | ||||
| 2 | Sample code/label | Sample label | ||||
| 3 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 4 | Position | Position | Visual description | |||
| 5 | Deposit type | Deposit type | ||||
| 6 | Quantity of deposit | Quantity | ||||
| 7 | Size | Size | ||||
| 8 | Sediment type | Sediment | ||||
| 9 | Comment | Comment | ||||
| 10 | Description | Description | ||||
| 11 | File name | File name | ||||
| 12 | Uniform resource locator/link to image | URL image |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
19 data points