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doi:10.2204/iodp.proc.338.202.2015 SummaryMICP measurements provide detailed porosity, median pore throat radius, and air-water capillary entry pressure characterization of 19 samples from Site C0002. Porosity decreases downhole, with the highest values in lithologic Unit II and the lowest values in Unit V. Median pore throat radius is highest and has the largest range in Unit II then decreases downhole in Units III–V. Air-water capillary entry pressure values have significant scatter and do not show any trend with lithologic unit or depth. Additional research on permeability of mud(stone) from Site C0002 can be used to understand how permeability may relate to porosity (e.g., Gamage et al., 2011; Schneider et al., 2011) or to pore throat radius (e.g., Gao and Hu, 2013). The similarity of MICP-based porosity to porosity of intact, undisturbed cuttings and core samples suggests MICP experiments may be an effective technique to evaluate in situ porosity. |
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