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Shephard, Les E; Bryant, William; Chiou, W A (1982): Geotechnical properties at DSDP Leg 66 Holes. PANGAEA, https://doi.org/10.1594/PANGAEA.817706, Supplement to: Shephard, LE et al. (1982): Geotechnical properties of Middle America Trench sediments, Deep Sea Drilling Project Leg 66. In: Watkins, JS; Casey Moore, J; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 66, 475-504, https://doi.org/10.2973/dsdp.proc.66.115.1982

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Abstract:
Delineating the interrelationships between tectonics, sedimentation, and geotechnical properties is particularly important for areas subjected to the dynamic affects of convergence. DSDP Leg 66 drilling within the Middle America Trench complex provided a unique opportunity to investigate these interrelationships along a transect of eight drill sites beginning on the trench outer slope and traversing the trench, trench inner slope, and upper continental slope. Investigations of other convergent margins suggest that deformation occurs most rapidly along the lower trench inner slope and is reflected by the geotechnical properties (Carson, 1977; Seely, 1977; and von Huene, 1979). This study focuses on the geotechnical properties of Middle America Trench sediments and the possible affects of convergence on these properties.
Project(s):
Coverage:
Median Latitude: 16.097698 * Median Longitude: -99.014992 * South-bound Latitude: 15.853500 * West-bound Longitude: -99.175300 * North-bound Latitude: 16.381000 * East-bound Longitude: -98.925500
Date/Time Start: 1979-03-24T00:00:00 * Date/Time End: 1979-04-24T00:00:00
Event(s):
66-487 * Latitude: 15.853500 * Longitude: -99.175300 * Date/Time: 1979-03-24T00:00:00 * Elevation: -4764.0 m * Penetration: 190.5 m * Recovery: 119.6 m * Location: North Pacific/TRENCH * Campaign: Leg66 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 20 cores; 180.5 m cored; 9.5 m drilled; 66.3 % recovery
66-488 * Latitude: 15.951700 * Longitude: -99.027700 * Date/Time: 1979-03-27T00:00:00 * Elevation: -4254.0 m * Penetration: 428.5 m * Recovery: 159.5 m * Location: North Pacific/CREST * Campaign: Leg66 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 44 cores; 408 m cored; 19 m drilled; 39.1 % recovery
66-489 * Latitude: 16.269800 * Longitude: -99.018800 * Date/Time: 1979-04-03T00:00:00 * Elevation: -1240.0 m * Penetration: 53.5 m * Recovery: 23.1 m * Location: North Pacific/TRENCH * Campaign: Leg66 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 5 cores; 44 m cored; 0 m drilled; 52.6 % recovery
Size:
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