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Halley, Roberet B; Pierson, B J; Schlager, Wolfgang (1984): Porosity, permeability, trace elements, and carbon-oxygen isotopes at DSDP Hole 77-536 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.809141, Supplement to: Halley, RB et al. (1984): Alternative diagenetic models for Cretaceous talus deposits, Deep Sea Drilling Project Site 536, Gulf of Mexico. In: Buffler, RT; Schlager, W; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 77, 397-408, https://doi.org/10.2973/dsdp.proc.77.108.1984

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Abstract:
Talus deposits recovered from Site 536 show evidence of aragonite dissolution, secondary porosity development, and calcite cementation. Although freshwater diagenesis could account for the petrographic features of the altered talus deposits, it does not uniquely account for isotopic or trace-element characteristics. Also, the hydrologic setting required for freshwater alteration is not easily demonstrated for the Campeche Bank. A mixing-zone model does not account for the available trace-element data, but does require somewhat less drastic assumptions about the size of the freshwater lens. Although a seawater (bottom-water) alteration model requires no hydrologic difficulties, unusual circumstances are required to account for the geochemical characteristics of the talus deposits using this model.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Latitude: 23.489800 * Longitude: -85.209700
Date/Time Start: 1981-01-09T00:00:00 * Date/Time End: 1981-01-09T00:00:00
Event(s):
77-536 * Latitude: 23.489800 * Longitude: -85.209700 * Date/Time: 1981-01-09T00:00:00 * Elevation: -2790.0 m * Penetration: 213 m * Recovery: 65.3 m * Location: Gulf of Mexico/SLOPE * Campaign: Leg77 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 23 cores; 213 m cored; 0 m drilled; 30.7 % 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. Halley, RB; Pierson, BJ; Schlager, W (1984): (Table 3) Carbon-oxygen isotopes at DSDP Hole 77-536. https://doi.org/10.1594/PANGAEA.809140
  2. Halley, RB; Pierson, BJ; Schlager, W (1984): (Table 1) Porosity and permeability of samples from Unit III, at DSDP Hole 77-536. https://doi.org/10.1594/PANGAEA.809138
  3. Halley, RB; Pierson, BJ; Schlager, W (1984): (Table 2) Trace element composition of samples from the Cretaceous interval at DSDP Hole 77-536. https://doi.org/10.1594/PANGAEA.809139