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Figure F27. Composition-depth profiles of sediment chemistry and mineralogy compared with interstitial water chemistry, Hole M0029A. 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), salty (pink), and briny (yellow) layers of interstitial water.

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