Activities Magnetotelluric Gravity Heat flow surveys Equipment Heat-Flow Measurements Laboratory Acquisition systems constituted by cables with four conductors, 200m and 700m long, maximum Temperature measured 200 °C. Sensor thermo-resistance sensor Pt-100, sensibility 0.001 °C accuracy 0.01 °C. Manual acquisition system of thermal data with cable 450 m long, maximum Temperature measured 140 °C. Thermo-resistance Pt-100, sensibility 0.01 °C, accuracy 0.03 °C. "Shoterm QTM", thermal conductivity gauge. Magnetotelluric Laboratory 2 Phoenix-V5 systems, including non-polarizing electrodes, 4 broad-range induction coils and 2 magnetic loops. Frequency range 320 - 5•10-4Hz. 3 Narod Intelligent Magnetotelluric Systems (NIMS). Frequency range 0.5 - 3•10-5Hz, 24 bit digital sampling, including 3 fluxgate magnetometers. 2 2-channels (telluric) receivers West Systems to couple with NIMS receivers. Frequency range 0.5 - 3•10-5Hz, 24 bit digital sampling, including non-polarizing electrodes. 1 controlled-source Magnetotelluric receiver Geometrics Stratagem, including 2 sets of EMI induction coils, pre-amplified metallic and non-polarizing electrodes. Total frequency range 105-0.1Hz Gravity Laboratory Software WinGLink
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