Electrical properties of basalts of ODP Sites 124-768 and 124-770, supplement to: Jarrard, Richard D; Schaar, Ralph (1991): Electrical properties of basalts from Sites 768 and 770. In: Silver, EA; Rangin, C; von Breymann, MT; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 124, 91-104

Richard D Jarrard & Ralph Schaar
Conductivity of 54 basalt samples from ODP Sites 768 and 770 was measured as a function of temperature and fluid salinity. Porosity was also measured for all samples, and cation exchange capacity was measured for 46 of the samples. Porosity measurements indicated that porosity is underestimated for basalts like these, unless one uses extensive drying at high vacuum.At salinities greater than 29 ppt, and throughout the range of salinity and temperatures likely in situ, sample...
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