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Figure F3. A. Distribution of total organic carbon (TOC) data and carbon isotope data of the total organic matter of sediment samples from Holes U1317A and U1317D. Shaded area = coral mound section of Challenger Mound. B. Distribution of long chain n-alkanes (C23–C35) in sediment samples from Holes U1317A and U1317D related to the amount of dry sediment (g Sed) extracted, g Sed corrected for its carbonate content (carbonate-free basis [CFB]), and TOC content. Note that the depth scales of Hole U1317A and U1317D appear mismatched. The two holes were aligned at the depth of the carbonate mound base.

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