Definition: Electromagnetic Profiling Techniques

From Open Energy Information

Revision as of 08:28, 11 April 2013 by Jen.livermore (talk | contribs) (added definition)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)


Electromagnetic Profiling Techniques

Electromagnetic profiling techniques map lateral variations in subsurface resistivity.[1]

Wikipedia Definition

Exploration geophysics is an applied branch of geophysics and economic geology, which uses physical methods, such as seismic, gravitational, magnetic, electrical and electromagnetic at the surface of the Earth to measure the physical properties of the subsurface, along with the anomalies in those properties. It is most often used to detect or infer the presence and position of economically useful geological deposits, such as ore minerals; fossil fuels and other hydrocarbons; geothermal reservoirs; and groundwater reservoirs. Exploration geophysics can be used to directly detect the target style of mineralization, via measuring its physical properties directly. For example, one may measure the density contrasts between the dense iron ore and the lighter silicate host rock, or one may measure the electrical conductivity contrast between conductive sulfide minerals and the resistive silicate host rock.