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Rose, William I; Bornhorst, Theodore J; Drexler, John (1982): Geochemistry from DSDP Holes 67-497 and 67-496. PANGAEA, https://doi.org/10.1594/PANGAEA.817229, Supplement to: Rose, WI et al. (1982): Preliminary correlation of Quaternary volcanic ashes from the Middle America Trench off Guatemala, Deep Sea Drilling Project Leg 67. In: Abouin, J; von Huene, R; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 67, 493-495, https://doi.org/10.2973/dsdp.proc.67.116.1982

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Abstract:
Mineralogical identification, glass chemistry, and instrumental neutron activation analyses of Quaternary volcanic ash layers from Leg 67 Holes 496, 497, and 499 are used to correlate the drill holes and on-land sources. We have identified two units at Hole 496 that correspond to the 23,000-yr.-old Pinos Altos ash (Samples 496-3-4, 55-57 cm and 496-3-5, 74-76 cm); the 84,000-yr.-old Los Chocoyos ash corresponds with Sample 496-5-4, 134-146 cm, but this latter correlation is less certain.
Project(s):
Coverage:
Median Latitude: 13.025450 * Median Longitude: -90.811600 * South-bound Latitude: 12.987200 * West-bound Longitude: -90.828000 * North-bound Latitude: 13.063700 * East-bound Longitude: -90.795200
Date/Time Start: 1979-05-30T00:00:00 * Date/Time End: 1979-06-01T00:00:00
Event(s):
67-496 * Latitude: 13.063700 * Longitude: -90.795200 * Date/Time: 1979-05-30T00:00:00 * Elevation: -2049.0 m * Penetration: 378 m * Recovery: 191.9 m * Location: North Pacific/TRENCH * Campaign: Leg67 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 37 cores; 349.5 m cored; 19 m drilled; 54.9 % recovery
67-497 * Latitude: 12.987200 * Longitude: -90.828000 * Date/Time: 1979-06-01T00:00:00 * Elevation: -2347.0 m * Penetration: 396.5 m * Recovery: 224.4 m * Location: North Pacific/SLOPE * Campaign: Leg67 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 40 cores; 377.5 m cored; 19 m drilled; 59.5 % recovery
Size:
2 datasets

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