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Kurnosov, Victor B; Shevchenko, Alla Ya (1982): Secondary minerals and geochemistry in basalts at DSDP Leg 67 Legs [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.817322, Supplement to: Kurnosov, VB; Shevchenko, AY (1982): Secondary minerals in basalts from the Middle America Trench, Leg 67. In: Abouin, J; von Huene, R; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 69, 551-555, https://doi.org/10.2973/dsdp.proc.67.122.1982

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Abstract:
Secondary minerals in basalts from Holes 495 and 500 include smectite and chlorite, both of which have partially replaced the basalt groundmass. In addition to these two minerals, amphibole, laumontite, albite, and a corrensitelike mineral are present in Holes 499B and 499C. Smectite, chlorite, talc, calcite, phillipsite, mica, and mixed-layer chlorite-montmorillonite also fill veins in the basalts of Hole 495. The secondary mineral assemblages from Site 499 are characteristic of the initial stage of greenschist facies metamorphism.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: 12.590184 * Median Longitude: -90.990075 * South-bound Latitude: 12.496300 * West-bound Longitude: -91.037700 * North-bound Latitude: 12.689200 * East-bound Longitude: -90.941500
Date/Time Start: 1979-05-26T00:00:00 * Date/Time End: 1979-06-18T00:00:00
Event(s):
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 * Method/Device: Drilling/drill rig (DRILL) * Comment: 48 cores; 446 m cored; 9.5 m drilled; 74.8 % recovery
67-499B * Latitude: 12.670500 * Longitude: -90.944700 * Date/Time: 1979-06-12T00:00:00 * Elevation: -6105.0 m * Penetration: 286.5 m * Recovery: 21.4 m * Location: North Pacific/TRENCH * Campaign: Leg67 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 10 cores; 85.5 m cored; 0 m drilled; 25 % recovery
67-499C * Latitude: 12.671700 * Longitude: -90.950500 * Date/Time: 1979-06-12T00:00:00 * Elevation: -6102.0 m * Penetration: 263 m * Recovery: 0.3 m * Location: North Pacific/TRENCH * Campaign: Leg67 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 1 cores; 3 m cored; 0 m drilled; 10 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
4 datasets

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Datasets listed in this publication series

  1. Kurnosov, VB; Shevchenko, AY (1982): (Table 2) Wet chemical analyses of clay minerals from the <1-µm fraction of basalt from DSDP Holes 67-495 and 67-500. https://doi.org/10.1594/PANGAEA.817319
  2. Kurnosov, VB; Shevchenko, AY (1982): (Table 4) Vein minerals of basalt from DSDP Hole 67-495. https://doi.org/10.1594/PANGAEA.817321
  3. Kurnosov, VB; Shevchenko, AY (1982): (Table 3) Wet chemical analyses of clay minerals from the <1-µm fraction of basalt from DSDP Site 67-499. https://doi.org/10.1594/PANGAEA.817320
  4. Kurnosov, VB; Shevchenko, AY (1982): (Table 1) Secondary minerals of basalt groundmass from DSDP Leg 67 Holes. https://doi.org/10.1594/PANGAEA.817318