Sulphate concentrations and sulphur isotopic composition in pore fluids from ODP Leg 168 sites, supplement to: Rudnicki, Mark D; Elderfield, Henry; Spiro, Baruch (2001): Fractionation of sulfur isotopes during bacterial sulfate reduction in deep ocean sediments at elevated temperatures. Geochimica et Cosmochimica Acta, 65(5), 777-789

Mark D Rudnicki, Henry Elderfield & Baruch Spiro
A numerical model of sulfate reduction and isotopic fractionation has been applied to pore fluid SO4**2- and d34S data from four sites drilled during Ocean Drilling Program (ODP) Leg 168 in the Cascadia Basin at 48°N, where basement temperatures reach up to 62°C. There is a source of sulfate both at the top and the bottom of the sediment column due to the presence of basement fluid flow, which promotes bacterial sulfate reduction below the...
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