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Figure F50. Ratio of C29 5α,14α,17α(H)20(R) sterane to C29 Δ4 and Δ5 sterenes, Site C0020. Trend lines are shown for predicted values for 22°C/km, 24°C/km, and 26°C/km geothermal gradients; these predictions are derived from data obtained by Amo et al. (2007) and presented in the inset.

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