Figure F46. Plots of gas concentrations and composition vs. depth, Holes U1351A (open symbols) and U1351B (solid symbols). A, D. Methane (C1), ethane (C2), and propane (C3) in headspace (HS) gas. B, E. C1, C2, and C3 from core voids sampled by syringe (VAC). C, F. C1/C2 gas ratio from both HS and VAC. Bottom panels show total depth; top panels show uppermost 100 m.
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