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Kase, Katsuo; Yamamoto, Masahiro; Shibata, Tsugio (1990): Chemistry of sulfide deposits from ODP Site 106-649 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.745376, Supplement to: Kase, K et al. (1990): Copper-rich sulfide deposit near 23°N, Mid-Atlantic ridge: chemical composition, mineral chemistry, and sulfur isotopes. In: Detrick, R; Honnorez, J; Bryan, WB; Juteau, T; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 106/109, 163-177, https://doi.org/10.2973/odp.proc.sr.106109.139.1990

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Published: 1990 (exact date unknown) • DOI registered: 2010-10-19

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Abstract:
In Snake Pit massive sulfide fragments and friable, unconsolidated material recovered during ODP Leg 106, isocubanite and pyrite are generally the predominant phases, followed by marcasite, chalcopyrite, sphalerite, and pyrrhotite. Detailed analyses of paragenetic relations of minerals indicate that isocubanite first precipitated together with pyrrhotite. With decreasing temperature, chalcopyrite and sphalerite precipitated, and at the latest stage colloform sphalerite-pyrite (or colloform marcasite) formed. Isocubanite usually has exsolution lamellae of chalcopyrite and less commonly of pyrrhotite.
The average bulk chemical composition of the friable, unconsolidated material indicates that it is rich in copper, reflecting the dominance of isocubanite in the specimens, and is characterized by high Co, low Pb, and Ag contents. Sulfur isotope ratios are very uniform, ranging in d34S from +1.2 to +2.8 per mil. The obtained values are apparently low, compared to those for the eastern Pacific sulfide samples, reflecting a smaller contribution of seawater sulfate in the Snake Pit sulfide deposit.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 23.369071 * Median Longitude: -44.950821 * South-bound Latitude: 23.369000 * West-bound Longitude: -44.951200 * North-bound Latitude: 23.369300 * East-bound Longitude: -44.950700
Date/Time Start: 1985-12-12T00:00:00 * Date/Time End: 1985-12-18T00:00:00
Event(s):
106-648 * Latitude: 22.921900 * Longitude: -44.947150 * Date/Time Start: 1985-06-11T00:00:00 * Date/Time End: 1985-12-12T00:00:00 * Elevation: -3322.0 m * Penetration: 37.8 m * Recovery: 6.9 m * Location: North Atlantic Ocean * Campaign: Leg106 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 7 cores; 45.3 m cored; 0 m drilled; 15.3% recovery
106-648B * Latitude: 22.922000 * Longitude: -44.947100 * Date/Time Start: 1985-11-11T12:00:00 * Date/Time End: 1985-12-12T02:00:00 * Elevation: -3344.0 m * Penetration: 33.3 m * Recovery: 6.77 m * Location: North Atlantic Ocean * Campaign: Leg106 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 6 cores; 40.8 m cored; 0 m drilled; 16.6 % recovery
106-649 * Latitude: 23.369117 * Longitude: -44.950900 * Date/Time Start: 1985-12-12T00:00:00 * Date/Time End: 1985-12-18T00:00:00 * Elevation: -3524.0 m * Penetration: 63.9 m * Recovery: 6.7 m * Location: North Atlantic Ocean * Campaign: Leg106 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 10 cores; 63.9 m cored; 0 m drilled; 10.5% recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
7 datasets

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Datasets listed in this publication series

  1. Kase, K; Yamamoto, M; Shibata, T (1990): (Table 2) Bulk analyses of polymetallic sulfide samples from the Snake Pit hydrothermal deposit, ODP Site 106-649. https://doi.org/10.1594/PANGAEA.745363
  2. Kase, K; Yamamoto, M; Shibata, T (1990): (Table 5) Analyses of isocubanite of ODP Site 106-649. https://doi.org/10.1594/PANGAEA.745367
  3. Kase, K; Yamamoto, M; Shibata, T (1990): (Table 1) Description of ODP Site 106-649 samples. https://doi.org/10.1594/PANGAEA.745360
  4. Kase, K; Yamamoto, M; Shibata, T (1990): (Table 4) Sulfur isotope ratios of sulfide specimens of ODP Site 106-649. https://doi.org/10.1594/PANGAEA.745366
  5. Kase, K; Yamamoto, M; Shibata, T (1990): (Table 7) Analyses of chaleopyrite of ODP Hole 106-649B. https://doi.org/10.1594/PANGAEA.745368
  6. Kase, K; Yamamoto, M; Shibata, T (1990): (Table 9) Analyses of pyrrholite and its alteration product of ODP Hole 106-649B. https://doi.org/10.1594/PANGAEA.745370
  7. Kase, K; Yamamoto, M; Shibata, T (1990): (Table 8) Analyses of sphalerite of ODP Hole 106-649B. https://doi.org/10.1594/PANGAEA.745369