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Abegg, Friedrich; Bohrmann, Gerhard; Kuhs, Werner F (2006): (Table T1) Gas hydrate fabric and dipping angles of ODP Leg 204 sediments. PANGAEA, https://doi.org/10.1594/PANGAEA.774841, Supplement to: Abegg, F et al. (2006): Data report: Shapes and structures of gas hydrates imaged by computed tomographic analyses, ODP Leg 204, Hydrate Ridge. In: Tréhu, AM; Bohrmann, G; Torres, ME; Colwell, FS (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 204, 1-11, https://doi.org/10.2973/odp.proc.sr.204.122.2006

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Abstract:
The sediments of Hydrate Ridge/Cascadia margin contain extensive amounts of gas hydrate. A total of 57 sediment samples including gas hydrate were preserved in liquid nitrogen and have been imaged using computerized tomography to visualize hydrate distribution and shape. The analysis gives evidence that gas hydrate in vein and veinlet structures is the predominant shape in the deeper gas hydrate stability zone with dipping angles from 30° to 90°(vertical).
Related to:
Tréhu, Anne M; Bohrmann, Gerhard; Rack, Frank R; Torres, Marta E; et al. (2003): Proceedings of the Ocean Drilling Program, 204 Initial Reports. Proceedings of the Ocean Drilling Program, Ocean Drilling Program, 204, online, https://doi.org/10.2973/odp.proc.ir.204.2003
Project(s):
Coverage:
Median Latitude: 44.579419 * Median Longitude: -125.137237 * South-bound Latitude: 44.568600 * West-bound Longitude: -125.152517 * North-bound Latitude: 44.586233 * East-bound Longitude: -125.092817
Date/Time Start: 2002-07-12T00:00:00 * Date/Time End: 2002-09-01T00:00:00
Minimum DEPTH, sediment/rock: 0.00 m * Maximum DEPTH, sediment/rock: 129.26 m
Event(s):
204-1244 * Latitude: 44.586233 * Longitude: -125.119750 * Date/Time Start: 2002-07-12T00:00:00 * Date/Time End: 2002-08-22T00:00:00 * Elevation: -895.4 m * Penetration: 1051.2 m * Recovery: 545 m * Location: North Pacific Ocean * Campaign: Leg204 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 69 cores; 555.5 m cored; 495.7 m drilled; 98.1 % recovery
204-1245 * Latitude: 44.586133 * Longitude: -125.149050 * Date/Time Start: 2002-07-17T00:00:00 * Date/Time End: 2002-08-16T00:00:00 * Elevation: -870.7 m * Penetration: 1619.7 m * Recovery: 646.6 m * Location: North Pacific Ocean * Campaign: Leg204 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 93 cores; 761 m cored; 858.7 m drilled; 85 % recovery
204-1246 * Latitude: 44.586067 * Longitude: -125.135533 * Date/Time Start: 2002-07-18T00:00:00 * Date/Time End: 2002-08-11T00:00:00 * Elevation: -850.0 m * Penetration: 316.7 m * Recovery: 135.4 m * Location: North Pacific Ocean * Campaign: Leg204 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 16 cores; 136.7 m cored; 180 m drilled; 99 % recovery
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEvent
2Sample code/labelSample labelAbegg, FriedrichDSDP/ODP/IODP sample designation
3DEPTH, sediment/rockDepthmGeocode – mbsf
4Clast shapeShapeAbegg, FriedrichComputer tomography (CT) MARCONI Medical MX 8000
5AngleAngledegAbegg, Friedrichvein angle from
6AngleAngledegAbegg, Friedrichvein angle to
7AngleAngledegAbegg, Friedrichvein angle from #2
8AngleAngledegAbegg, Friedrichvein angle to #2
9Clast shapeShapeAbegg, FriedrichInfrared shape
Size:
160 data points

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