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2. Exploration geophysics - Wikipedia

   en.wikipedia.org/wiki/Exploration_geophysics

   Exploration geophysics is an applied branch of geophysics and economic geology, which uses physical methods at the surface of the Earth, such as seismic, gravitational, magnetic, electrical and electromagnetic, to measure the physical properties of the subsurface, along with the anomalies in those properties.

3. Near-surface geophysics - Wikipedia

   en.wikipedia.org/wiki/Near-surface_geophysics

   Near-surface geophysics is the use of geophysical methods to investigate small-scale features in the shallow (tens of meters) subsurface. [1] It is closely related to applied geophysics or exploration geophysics. Methods used include seismic refraction and reflection, gravity, magnetic, electric, and

4. Vertical electrical sounding - Wikipedia

   en.wikipedia.org/wiki/Vertical_electrical_sounding

   Download as PDF; Printable version ... is a geophysical method for investigation of a geological medium. The method is based on the estimation of the electrical ...

5. Magnetotellurics - Wikipedia

   en.wikipedia.org/wiki/Magnetotellurics

   Download as PDF; Printable version ... of a large known gas-bearing formation with complex subsurface geology. ... problems for natural-source geophysical methods. An ...

6. Geophysical survey - Wikipedia

   en.wikipedia.org/wiki/Geophysical_survey

   There are many methods and types of instruments used in geophysical surveys. Technologies used for geophysical surveys include: [1] Seismic methods, such as reflection seismology, seismic refraction, and seismic tomography. This type of survey is carried out to discover the detailed structure of the rock formations beneath the surface of the Earth.

7. Electrical resistivity tomography - Wikipedia

   en.wikipedia.org/wiki/Electrical_resistivity...

   2D resistivity inversion of ERT data Deployment of a permanent electrical resistivity tomography profile on a longitudinal section of an active landslide.. Electrical resistivity tomography (ERT) or electrical resistivity imaging (ERI) is a geophysical technique for imaging sub-surface structures from electrical resistivity measurements made at the surface, or by electrodes in one or more ...

8. Ground-penetrating radar - Wikipedia

   en.wikipedia.org/wiki/Ground-penetrating_radar

   Ground-penetrating radar (GPR) is a geophysical method that uses radar pulses to image the subsurface. It is a non-intrusive method of surveying the sub-surface to investigate underground utilities such as concrete, asphalt, metals, pipes, cables or masonry. [ 1 ]

9. Exploration geology - Wikipedia

   en.wikipedia.org/wiki/Exploration_geology

   Download as PDF; Printable version; In other projects ... Exploration geology may refer to: Exploration geophysics, a branch of geophysics which uses surface methods ...