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Gieskes, Joris M; Johnston, Kirk; Boehm, Marcus (1984): Interstitial water chemistry at DSDP Leg 79 Holes [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.808666, Supplement to: Gieskes, JM et al. (1984): Interstitial water studies, Leg 79. In: Hinz, K; Winterer, EL; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 79, 825-834, https://doi.org/10.2973/dsdp.proc.79.134.1984

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Abstract:
Interstitial water analyses of samples collected at Sites 544-547 of DSDP Leg 79 are presented. In Site 547 chloride concentrations increase to almost 80% of the halite saturation values. Gypsum occurrences in the sediments immediately overlying the halite deposit can be explained in terms of migration of Ca**2+ and SO2**2- from the underlying evaporites. At shallower depths sulfate concentrations decrease rapidly as a result of sulfate reduction processes. The same processes lead to the removal of calcium in the form of calcium carbonate. At Site 547, the chloride concentration depth profile suggests a maximum of dissolved chloride which may be the result of advective flow from nearby (abput 6 km) evaporite salt diapirs.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: 33.751396 * Median Longitude: -9.408122 * South-bound Latitude: 33.664300 * West-bound Longitude: -9.564300 * North-bound Latitude: 33.780700 * East-bound Longitude: -9.349700
Date/Time Start: 1981-04-17T00:00:00 * Date/Time End: 1981-05-03T00:00:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets

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Datasets listed in this publication series

  1. Gieskes, JM; Johnston, K; Boehm, M (1984): (Table 1) Interstitial water chemistry at DSDP Leg 79 Holes. https://doi.org/10.1594/PANGAEA.808664
  2. Gieskes, JM; Johnston, K; Boehm, M (1984): (Table 2) Shipboard interstitial water chemistry at DSDP Leg 79. https://doi.org/10.1594/PANGAEA.808665