Geomagnetism

Geomagnetism defines the Earth's magnetic field, which extends from the Earth's internal core to where it meets the solar wind. Geomagnetic reversals are shifts in Earth's magnetic field in which the positions of the magnetic north and south are switched. Gradiometers measure magnetic field gradient rather than total field strength. Magnetic gradient irregularities generally give a superior meaning of shallow covered elements, for example, covered tanks and drums, however, are less helpful for geological tasks. The profundity penetration of magnetic studies is unaffected by high electrical ground conductivities, which makes them valuable on sites with saline groundwater, earth or abnormal amounts of defilement where the GPR and Electromagnetic methods struggle.

  • Magnetic and mineralogical studies
  • Electromagnetic induction in the earth and planetary bodies
  • Structure of the geomagnetic field
  • Paleomagnetism
  • Archeomagnetism
  • Rock magnetism

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