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De Carlo, Eric Heinen (1992): Geochemistry of pore water and sediments from Exmouth Plateau. PANGAEA, https://doi.org/10.1594/PANGAEA.759927, Supplement to: De Carlo, EH (1992): Geochemistry of pore water and sediments recovered from the Exmouth Plateau. In: von Rad, U; Haq, BU; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 122, 295-308, https://doi.org/10.2973/odp.proc.sr.122.129.1992

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Abstract:
During Leg 122, a transect was drilled across the Wombat Plateau, a marginal spur of the Exmouth Plateau, complemented by two sites on the Exmouth Plateau proper. In this report, pore-water analyses for major seawater constituents, alkalinity, Ba, Fe, Mn, Li, Sr, Rb, and silica are presented. Large gradients in the pore-water profiles provide evidence of complex sediment/pore-water interactions associated with carbonate and silica diagenesis and the formation of authigenic minerals. Diffusion affects pore-water profiles but differs considerably from site to site. Advection of freshwater, probably of continental origin, helps maintain negative Cl and salinity gradients deep within the sediments of the Exmouth Plateau.
Project(s):
Coverage:
Median Latitude: -18.680754 * Median Longitude: 113.881988 * South-bound Latitude: -20.587000 * West-bound Longitude: 112.208300 * North-bound Latitude: -16.737000 * East-bound Longitude: 115.560500
Date/Time Start: 1988-07-09T07:00:00 * Date/Time End: 1988-08-17T12:00:00
Event(s):
122-759B * Latitude: -16.954000 * Longitude: 115.560500 * Date/Time Start: 1988-07-09T07:00:00 * Date/Time End: 1988-07-11T21:15:00 * Elevation: -2103.0 m * Penetration: 308 m * Recovery: 129.6 m * Location: South Indian Ridge, South Indian Ocean * Campaign: Leg122 * Basis: Joides Resolution * Device: Drilling/drill rig (DRILL) * Comment: 39 cores; 308 m cored; 0 m drilled; 42.1 % recovery
122-760A * Latitude: -16.922000 * Longitude: 115.541300 * Date/Time Start: 1988-07-11T23:15:00 * Date/Time End: 1988-07-14T13:00:00 * Elevation: -1981.0 m * Penetration: 284.9 m * Recovery: 196.38 m * Location: South Indian Ridge, South Indian Ocean * Campaign: Leg122 * Basis: Joides Resolution * Device: Drilling/drill rig (DRILL) * Comment: 38 cores; 284.9 m cored; 0 m drilled; 68.9 % recovery
122-760B * Latitude: -16.922000 * Longitude: 115.541100 * Date/Time Start: 1988-07-14T13:00:00 * Date/Time End: 1988-07-19T00:45:00 * Elevation: -1981.0 m * Penetration: 506 m * Recovery: 123.02 m * Location: South Indian Ridge, South Indian Ocean * Campaign: Leg122 * Basis: Joides Resolution * Device: Drilling/drill rig (DRILL) * Comment: 29 cores; 506 m cored; 0 m drilled; 24.3 % recovery
Size:
3 datasets

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