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Figure F32. Composition-depth profiles of sediment chemistry and mineralogy compared with interstitial water chemistry, Hole M0028A. Upper row: total carbon (TC), total organic carbon (TOC), total inorganic (carbonate) carbon (TIC), and total sulfur (TS) concentrations in sediment. Lower row: sulfate/chloride and total phosphorus in interstitial water and concentrations of apatite and pyrite from XRD. Horizontal color bands denote discrete freshwater (blue) and salty (pink) layers of interstitial water.

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