Figure F46. A. Temperature data from the advanced piston corer temperature tool, Cores 341-U1417-4H, 10H, and 13H. An exponential decrease in temperature is expected for the time interval shown and was used to estimate ambient temperature. Data for the time interval ti to tf (solid circles) were used to estimate asymptotic temperature. B. Resulting geothermal gradient (61°C/km).
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