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The magnetotelluric (MT) method

13 de June de 2017

The magnetotelluric (MT) method and its high-frequency version, audio-magnetotelluric (AMT), is a natural source electromagnetic (EM) technique that involves measuring fluctuations in the natural electric and magnetic fields in...

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Time Domain Transient Electromagnetic Method (TDEM)

13 de June de 2017

Time Domain Transient Electromagnetic Method (TDEM) uses a man-made electric current as source. This electric current is in the form of square intermittent pulses and it is applied on...

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Gravity

13 de June de 2017

The gravimetric method aims to measure variations in the terrestrial gravitational field, caused by the variation of subsurface densities. It is based on Newton’s law of gravitational attraction between...

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Magnetic

13 de June de 2017

Magnetic prospecting is a geophysical method based on the examination of magnetic field anomalies of the Earth caused by non-similar magnetization intensity of rocks. Physical and geological prerequisites of...

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Gamma-ray

13 de June de 2017

The radiometric, or gamma-ray spectrometric method is a geophysical process used to estimate concentrations of the radioelements potassium, uranium and thorium by measuring the gamma-rays which the radioactive isotopes...

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