Figure F26. Sulfate (SO42-) and methane (CH4) concentration profiles at Site 1245. Sulfate concentration data (solid circles) were measured in Hole 1245D and show a nonlinear profile. Methane concentration data (open squares) are from headspace gas measurements in Hole 1245B. Using both profiles, the sulfate/methane interface (SMI) is present at ~7 mbsf.

Figure F26. Sulfate (SO₄^2-) and methane (CH₄) concentration profiles at Site 1245. Sulfate concentration data (solid circles) were measured in Hole 1245D and show a nonlinear profile. Methane concentration data (open squares) are from headspace gas measurements in Hole 1245B. Using both profiles, the sulfate/methane interface (SMI) is present at ~7 mbsf.