Geophysics - Magnetotellurics (MT)

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Electrical Resistivity Method
Induced Polarization
Self Potential (SP)
Ground-penetrating radar (GPR)
Gravity Surveys
Magnetics Ground
Seismic Refraction and Reflection
Electromagnetic (EM)
Magnetotellurics (MT)
Earthquakes and Vibration monitoring
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Is an electromagnetic geophysical method for inferring the earth's subsurface electrical conductivity from measurements of natural geomagnetic and geoelectric field variation at the Earth's surface. Investigation depth ranges from 300 m below ground by recording higher frequencies down to 10,000 m or deeper with long-period soundings. Developed in the USSR and France during the 1950s, MT is now an international academic discipline and is used in exploration surveys around the world. Commercial uses include hydrocarbon (oil and gas) exploration, geothermalexploration, mining exploration, as well as hydrocarbon and groundwater monitoring. Research applications include experimentation to further develop the MT technique, long-period deep crustal exploration, and earthquake precursor prediction research

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