Dictionary:Magnetic induced polarization (MIP)

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A method of IP surveying involving measurement of the transient magnetic (rather than electric) field caused by galvanic currents. Involves measuring the normalized primary magnetic field



where is the steady-state magnetic field amplitude measured at a single transmitter frequency, is the value calculated for uniform ground, and the magnetometric resistivity (MMR),



where is the predicted uniform-ground primary field at the midpoint between the current electrodes. The magnetic fields are in the picotesla range and require a very sensitive low-noise magnetometer for their measurement. See Seigel and Howland-Rose (1983)[1].


References

  1. Fitch, A. A. (1983). Developments in Geophysical Exploration Methods-4. Dordrecht: Springer Netherlands. p. 65-99. ISBN 978-94-009-6625-3.


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Magnetic induced polarization (MIP)
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