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Distler, V V; Pertsev, Nikolay N; Boronikhin, V A (1983): Sulfide petrology of basalts at DSDP Holes 69-504B and 69-505B [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.816530, Supplement to: Distler, VV et al. (1983): Sulfide petrology of basalts from Deep Sea Drilling Project Holes 504B and 505B. In: Cann, JR; Langseth, MG; Honnorez, J; Von Herzen, RP; White, SM; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 69, 607-617, https://doi.org/10.2973/dsdp.proc.69.134.1983

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Abstract:
Primary sulfide mineralization in basalts of the Costa Rica Rift occurs mainly in chrome-spinel-bearing olivine tholeiites. Primary sulfides form both globules, consisting of quenched single-phase solid solutions, and irregular polymineralic segregations of pyrrhotite, chalcopyrite, cubanite, and pentlandite.
Two types of sulfide solid solutions - iron-nickel (Mss) and iron-copper (Iss) - were found among sulfide globules. These types appear to have formed because of sulfide-sulfide liquid immiscibility in the host magmas; as proved by the presence of globules with a distinct phase boundary between Mss and Iss. Such two-phase globules are associated with large olivine phenocrysts. Inhomogeneties among the globule composition likewise are caused by sulfide-sulfide immiscibility.
Secondary sulfides form irregular segregations and veins consisting of pyrite, marcasite, and chalcopyrite.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: 1.550413 * Median Longitude: -83.757220 * South-bound Latitude: 1.227000 * West-bound Longitude: -83.788300 * North-bound Latitude: 1.920000 * East-bound Longitude: -83.730000
Date/Time Start: 1979-09-29T00:00:00 * Date/Time End: 1979-12-04T00:00:00
Event(s):
69-504B * Latitude: 1.227200 * Longitude: -83.730200 * Date/Time: 1979-10-07T00:00:00 * Elevation: -3460.0 m * Penetration: 489 m * Recovery: 262 m * Campaign: Leg69 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL)
69-505B * Latitude: 1.920000 * Longitude: -83.788300 * Date/Time: 1979-09-29T00:00:00 * Elevation: -3507.0 m * Penetration: 178 m * Recovery: 6.8 m * Location: North Pacific/GRABEN * Campaign: Leg69 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 6 cores; 42 m cored; 0 m drilled; 16.3 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
3 datasets

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Datasets listed in this publication series

  1. Distler, VV; Pertsev, NN; Boronikhin, VA (1983): (Table 1) Chemical compositions of rock forming minerals in basalts at DSDP Holes 69-504B, 70-504B and 69-505B. https://doi.org/10.1594/PANGAEA.816527
  2. Distler, VV; Pertsev, NN; Boronikhin, VA (1983): (Table 2) Chemical composition of sulfides at DSDP Holes 69-504B, 70-504B and 69-505B. https://doi.org/10.1594/PANGAEA.816528
  3. Distler, VV; Pertsev, NN; Boronikhin, VA (1983): (Appendix) Petrographic characteristics of samples and distribution of sulfides in DSDP Holes 69-504B, 70-504B and 69-505B. https://doi.org/10.1594/PANGAEA.816529