Maillet, Patrick; Monzier, Michel; Selo, M; Storzer, D (1983): Annotated record of the detailed examination of Mn deposits from the GEORSTOM III NORD (R/V Le Noroit) cruise stations [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.855146, Supplement to: Maillet, P et al. (1983): The D'Entrecasteaux Zone (Southwest Pacific). A petrological and geochronological reappraisal. Marine Geology, 53(3), 179-197, https://doi.org/10.1016/0025-3227(83)90073-7
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Abstract:
The D'Entrecasteaux Zone (Southwest Pacific) is an arched submarine horst- and graben structure, which extends from the northern end of the New Caledonia ridge to the western border of the New Hebrides island arc. A review of the bathymetry, seismic-reflection data, paleomagnetism, gravimetry, seismology and DSDP data available for this area is combined with a study of basaltic samples dredged along the horsts of this regional fracture zone. These basalts show strong petrographic and chemical affinities with MORB. Their fissiontrack ages range between 56 Ma (Paleocene-Eocene boundary) and 36 Ma (Eocene-Oligocene boundary). It is suggested that the D'Entrecasteaux Zone represents the northern arcuate extension of the northeast-dipping Eocene subduction/obduction zone, located along the New Caledonia/Loyalty Islands ridge, while its present morphology appeared from post-obduction extensional movements, resulting in a progressive uplift of basaltic ocean floor since Middle Miocene times.
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: -16.149545 * Median Longitude: 163.807271 * South-bound Latitude: -17.378330 * West-bound Longitude: 162.843330 * North-bound Latitude: -15.393330 * East-bound Longitude: 165.050000
Date/Time Start: 1975-10-01T00:00:00 * Date/Time End: 1975-10-01T00:00:00
Minimum DEPTH, sediment/rock: 0 m * Maximum DEPTH, sediment/rock: 0 m
Event(s):
GO3N-314D (GO314D) * Latitude: -15.550000 * Longitude: 165.050000 * Date/Time: 1975-10-01T00:00:00 * Elevation: -2800.0 m * Location: Southwest Pacific Ocean * Campaign: GEORSTOM_III_NORD * Basis: Le Noroit * Method/Device: Dredge (DRG)
GO3N-315D (GO315D) * Latitude: -15.393330 * Longitude: 164.986670 * Date/Time: 1975-10-01T00:00:00 * Elevation: -1800.0 m * Location: Southwest Pacific Ocean * Campaign: GEORSTOM_III_NORD * Basis: Le Noroit * Method/Device: Dredge (DRG)
GO3N-316D (GO316D) * Latitude: -15.466670 * Longitude: 164.573330 * Date/Time: 1975-10-01T00:00:00 * Elevation: -2200.0 m * Location: Southwest Pacific Ocean * Campaign: GEORSTOM_III_NORD * Basis: Le Noroit * Method/Device: Dredge (DRG)
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 | Maillet, Patrick | |||
| 2 | Latitude of event | Latitude | Maillet, Patrick | |||
| 3 | Longitude of event | Longitude | Maillet, Patrick | |||
| 4 | Elevation of event | Elevation | m | Maillet, Patrick | ||
| 5 | Identification | ID | Maillet, Patrick | |||
| 6 | DEPTH, sediment/rock | Depth sed | m | Maillet, Patrick | Geocode | |
| 7 | Position | Position | Maillet, Patrick | Visual description | ||
| 8 | Deposit type | Deposit type | Maillet, Patrick | |||
| 9 | Quantity of deposit | Quantity | Maillet, Patrick |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
56 data points