Lonsdale, Peter; Bischoff, James L; Burns, Virginia Mee; Kastner, Miriam; Sweeney, Colm (1980): Annotated record of the detailed examination of Mn deposits observed by the DSV-4 Seacliff submersible in the Guaymas Basin, Gulf of California [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.873181, Supplement to: Lonsdale, P et al. (1980): A high-temperature hydrothermal deposit on the seabed at a gulf of California spreading center. Earth and Planetary Science Letters, 49(1), 8-20, https://doi.org/10.1016/0012-821X(80)90144-2
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Abstract:
A submersible dive on a turbidite-covered spreading axis in Guaymas Basin photographed and sampled extensive terraces and ledges of talc. The rock contains siliceous microfossils, smectite, and euhedral pyrrhotite as well as rather pure iron-rich talc. Sulfur and oxygen isotopes indicate precipitation around a hydrothermal vent, at about 280°C.
Related to:
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):
Coverage:
Median Latitude: 27.331344 * Median Longitude: -111.481579 * South-bound Latitude: 27.328754 * West-bound Longitude: -111.484250 * North-bound Latitude: 27.333934 * East-bound Longitude: -111.478908
Date/Time Start: 1977-11-01T00:00:00 * Date/Time End: 1977-11-01T00:00:00
Minimum DEPTH, sediment/rock: 0 m * Maximum DEPTH, sediment/rock: 0 m
Event(s):
DSV477-308-1 * Latitude: 27.333934 * Longitude: -111.484250 * Date/Time: 1977-11-01T00:00:00 * Elevation: -2009.0 m * Location: Guaymas Basin, Gulf of California * Campaign: DSV477 (Dive 308) * Basis: DSV-4 Seacliff * Method/Device: Photo/Video (PV)
DSV477-308-3 * Latitude: 27.328754 * Longitude: -111.478908 * Date/Time: 1977-11-01T00:00:00 * Elevation: -2028.0 m * Location: Guaymas Basin, Gulf of California * Campaign: DSV477 (Dive 308) * Basis: DSV-4 Seacliff * Method/Device: Core drilling (CDRILL)
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1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other institutions.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 | 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 | Substrate type | Substrate | ||||
| 8 | Sediment type | Sediment | ||||
| 9 | Description | Description | ||||
| 10 | File name | File name | ||||
| 11 | Uniform resource locator/link to image | URL image |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
18 data points