Electrical conduction in rocks and minerals: Parameters for interpretation |
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Authors: | TJ Shankland |
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Institution: | Department of Geological Sciences and Center for Earth and Planetary Physics, Harvard University, Cambridge, Mass. U.S.A. |
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Abstract: | Recent studies of electrical properties have clarified the important parameters governing electrical conductivity in minerals — temperature, oxygen fugacity, stoichiometry, iron content — and in porous rocks — shape and interconnections of fluid-filled pore spaces. These parameters are discussed in terms of: (1) how they contribute to bulk conduction mechanisms within minerals; and (2) how they pertain to the conditions of rocks in situ. |
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