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Ground Penetrating Radar -GPR and Resistivity methods were used with the objective to detect fracture zones and the top of fresh rock, in ornamental granite mine, located near Capão Bonito City, São Paulo State, Brazil. Eight profiles of reflections GPR and 19 WARRs Soundings were acquired using antennas of 25, 50, 100 and 200 MHz. Two vertical electrical sounding were acquired too. Analysis of GPRs profiles allowed to locate stronger dipping and sub horizontal reflectors, probably related withdoi:10.1590/s0102-261x2002000200005 fatcat:qgtxghjr2zb6raid756ucz6dxm