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Binns, Raymond A (2006): Description, geochemistry and mineral composition of ODP Site 193-1189 jasperoids, PACMANUS field [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.779189, Supplement to: Binns, RA (2006): Data report: Petrography and geochemistry of jasperoids from Site 1189, Ocean Drilling Program Leg 193. In: Barriga, FJAS; Binns, RA; Miller, DJ; Herzig, PM (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 193, 1-30, https://doi.org/10.2973/odp.proc.sr.193.211.2006

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Abstract:
Bright red "jasperoids" were recovered at three positions during Leg 193 drilling below Roman Ruins (Site 1189) in the PACMANUS hydrothermal field. These do not represent fossil exhalative oxide deposits equivalent to those associated with sulfide chimneys at the Roman Ruins seafloor. Rather, they constitute an integral, relatively early stage involving oxidized fluids in the development of veins and breccias that characterize the mostly sulfidic stockwork zone intersected below Roman Ruins in Hole 1189B. They formed by growth of quartz in open spaces created by hydrofracturing, the characteristic feature being mostly euhedral cores dusted by tiny hematite flakes. In one occurrence there are also frondlike aggregates and possible earlier cavity linings of hematite, overgrown by quartz, that potentially formed by maturation of ferruginous gels first deposited in the openings. The trace element geochemistry of the jasperoids, apart from minor enrichment in uranium, provides no indication that they represent subsurface conduits for fluids that deposit Fe-Mn-Si at the seafloor, though this remains a possibility for some such deposits.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: -3.720650 * Median Longitude: 151.675000 * South-bound Latitude: -3.720700 * West-bound Longitude: 151.674900 * North-bound Latitude: -3.720600 * East-bound Longitude: 151.675100
Date/Time Start: 2000-11-22T08:30:00 * Date/Time End: 2000-12-26T17:00:00
Event(s):
193-1189A * Latitude: -3.720700 * Longitude: 151.674900 * Date/Time Start: 2000-11-22T08:30:00 * Date/Time End: 2000-11-23T20:45:00 * Elevation: -1690.2 m * Penetration: 125.8 m * Recovery: 8.58 m * Location: Bismarck Sea * Campaign: Leg193 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 13 cores; 125.8 m cored; 0 m drilled; 6.8 % recovery
193-1189B * Latitude: -3.720600 * Longitude: 151.675100 * Date/Time Start: 2000-12-22T07:45:00 * Date/Time End: 2000-12-26T17:00:00 * Elevation: -1681.7 m * Penetration: 206 m * Recovery: 13.69 m * Location: Bismarck Sea * Campaign: Leg193 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 18 cores; 175 m cored; 31 m drilled; 7.8 % 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. Binns, RA (2006): (Table T2) Geochemical composition of ODP Hole 193-1189A and 193-1189B jasperoids. https://doi.org/10.1594/PANGAEA.779186
  2. Binns, RA (2006): (Table T3) Normative mineral composition of ODP Hole 193-1189A and 193-1189B jasperoids. https://doi.org/10.1594/PANGAEA.779187
  3. Binns, RA (2006): (Table T1) Jasperoid sample details of ODP Hole 193-1189A and 193-1189B. https://doi.org/10.1594/PANGAEA.779185