In the ultrabasic rock-type orebody, based on the differences of resistivity and polarizabilty of the ultrabasic rockbody, alteration zone and silicon slate, carrird out induced polarization method and resistivity method. Through field data collection, data processing and data interpretation ,we included that altered ore-bearing ultrabasic rock may exist, as well as the shape and size of rockbody and determined the approximate depth of burial.at last provided the basis for the drilling engineering.

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