Figure F18. Estimates of fraction drilling mud liquid (XDML) incorporated into interstitial water samples, Site C0020. XDML was estimated based on concentrations of sulfate, potassium, and salinity. Shaded area represents the –1σ and +1σ region of the average XDML values (not shown) calculated for the pore waters. Open symbols are for XDML in the formation water collected in Single-Phase Sample Bottles (SSBs); the color is the same as the corresponding mud fractions based on sulfate, potassium, and salinity that were applied to the pore water. With the exception of the first SSB sample in Unit II, all of the other samples showed mud fractions that exceeded those of the pore water.
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