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Kurnosov, Victor B; Murdmaa, Ivar O; Kazakova, Vera P; Mikhina, Vladlena; Shevchenko, Alla Ya (1982): Mineralogy of sediments at DSDP Leg 67 Hole. PANGAEA, https://doi.org/10.1594/PANGAEA.817309, Supplement to: Kurnosov, VB et al. (1982): Mineralogy of sediments from the Middle America Trench (Guatemala Transect). In: Abouin, J; von Huene, R; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 67, 515-528, https://doi.org/10.2973/dsdp.proc.67.119.1982

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Abstract:
Seven sites were drilled during Leg 67 along a transect across the Middle America Trench off Guatemala: four (Sites 494, 496, 497, and 498) on continental slope, two (Sites 499 and 500) on Trench floor, and one (Site 495) on the Cocos Plate. We studied the mineralogy of sediments from Sites 494, 495, 496, 499, and 500. Our objective was to investigate the origin and source of separate minerals and mineral assemblages, giving special attention to the influence of the alteration of basalts on the sediment mineralogy, which we expected to be particularly important in layers just above oceanic basement.
Project(s):
Coverage:
Median Latitude: 12.755498 * Median Longitude: -90.922948 * South-bound Latitude: 12.496300 * West-bound Longitude: -91.037700 * North-bound Latitude: 13.063700 * East-bound Longitude: -90.795200
Date/Time Start: 1979-05-17T00:00:00 * Date/Time End: 1979-06-18T00:00:00
Event(s):
67-494 * Latitude: 12.716700 * Longitude: -90.932800 * Date/Time: 1979-05-17T00:00:00 * Elevation: -5472.0 m * Penetration: 37.5 m * Recovery: 31.3 m * Location: North Pacific/TRENCH * Campaign: Leg67 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 4 cores; 37.5 m cored; 0 m drilled; 83.5 % recovery
67-494A * Latitude: 12.716800 * Longitude: -90.932800 * Date/Time: 1979-05-17T00:00:00 * Elevation: -5472.0 m * Penetration: 366.5 m * Recovery: 91.3 m * Location: North Pacific/TRENCH * Campaign: Leg67 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 35 cores; 329 m cored; 0 m drilled; 27.8 % recovery
67-495 * Latitude: 12.496300 * Longitude: -91.037700 * Date/Time: 1979-05-26T00:00:00 * Elevation: -4140.0 m * Penetration: 455.5 m * Recovery: 333.7 m * Location: North Pacific/TRENCH * Campaign: Leg67 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 48 cores; 446 m cored; 9.5 m drilled; 74.8 % recovery
Size:
5 datasets

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