Figure F10. A. Depth profiles of the δ13C isotopic composition of methane and CO2 from all transect sites. Data from the vent Site U1328 are not included (from Pohlman et al., 2009). Also shown for reference are data from ODP Leg 146 Sites 888 and 889. B. Increase of the δ13C signature of dissolved inorganic carbon with distance from the deformation front. Data from ODP Legs 146 (Site 888) and 204 (Sites 1244, 1252, and 1251), and IDOP Expedition 311 (Sites U1326, U1325, U1327, and U1329) are combined (from Torres and Kastner). PDB = Peedee belemnite.
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