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Shibata, Tsugio; DeLong, Stephen E (1981): Petrographic and chemical characteristics of diabases at DSDP Holes 63-469 and 63-471 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.819301, Supplement to: Shibata, T; DeLong, SE (1981): Preliminary petrology of diabases from Sites 469 and 471, Deep Sea Drilling Project Leg 63. In: Yeats, RS; Haq, BU; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 63, 701-709, https://doi.org/10.2973/dsdp.proc.63.126.1981

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Abstract:
Diabasic rocks were recovered at Sites 469 and 471 on IPOD/DSDP Leg 63. The diabasic rocks are composed mainly of Plagioclase, clinopyroxene, and low-temperature alteration products. In addition to these phases, a considerable amount of primary biotite and lesser colorless amphibole are observed in some of the Site 471 diabases. Major and trace element data suggest that these rocks are tholeiitic; however, their highly altered nature obscures their petrologic affinity with the DSDP Leg 63 tholeiitic basalts and others from the nearby Pacific ocean floor. It is likely that the Site 469 and 471 diabasic rocks represent products of off-ridge intrusive activity.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: 27.136000 * Median Longitude: -115.717100 * South-bound Latitude: 23.482200 * West-bound Longitude: -120.548300 * North-bound Latitude: 32.616700 * East-bound Longitude: -112.496300
Date/Time Start: 1978-10-27T00:00:00 * Date/Time End: 1978-11-08T00:00:00
Event(s):
63-469 * Latitude: 32.616700 * Longitude: -120.548300 * Date/Time: 1978-10-27T00:00:00 * Elevation: -3790.0 m * Penetration: 453.5 m * Recovery: 170.2 m * Location: North Pacific/ESCARPMENT * Campaign: Leg63 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 49 cores; 436.5 m cored; 9.5 m drilled; 39 % recovery
63-471 * Latitude: 23.482200 * Longitude: -112.496300 * Date/Time: 1978-11-08T00:00:00 * Elevation: -3101.0 m * Penetration: 823 m * Recovery: 348.8 m * Location: North Pacific/FAN * Campaign: Leg63 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 83 cores; 776 m cored; 28.5 m drilled; 45 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
5 datasets

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Datasets listed in this publication series

  1. Shibata, T; DeLong, SE (1981): (Table 1) Geochemistry of clinopyroxene at DSDP Holes 63-469 and 63-471. https://doi.org/10.1594/PANGAEA.819296
  2. Shibata, T; DeLong, SE (1981): (Table 4) Geochemistry and minerals of diabase at DSDP Holes 63-469 and 63-471. https://doi.org/10.1594/PANGAEA.819299
  3. Shibata, T; DeLong, SE (1981): (Table 2) Geochemistry of plagioclase at DSDP Holes 63-469 and 63-471. https://doi.org/10.1594/PANGAEA.819297
  4. Shibata, T; DeLong, SE (1981): (Table 5) Trace elements of diabase at DSDP Holes 63-469 and 63-471. https://doi.org/10.1594/PANGAEA.819300
  5. Shibata, T; DeLong, SE (1981): (Table 3) Geochemistry of amphibole and biotites at DSDP Hole 63-471. https://doi.org/10.1594/PANGAEA.819298