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Electromagnetics

A key attribute to Fender Geophysics’ service is that Fender offers more than just a single technique. We are equally as strong in the field of electromagnetics as we are in induced polarisation. Fender owns and operates Australia’s leading electromagnetic system designed and manufactured in Melbourne by Monex Geoscope.

EM38 - Copy

Electromagnetic methods measure the variances in conductivity in the subsurface.  Common methods include:

  • Moving loop
  • Fixed Loop
  • Slingram
  • Down hole

 

Electromagnetic surveys are used in a wide variety of applications, including:

  • Mineral exploration
  • Geotechnical
  • Environmental
  • Ground Water
  • Geothermal
  • Agriculture

 

Electromagnetic methods have been very successful in exploring for massive sulphide and nickel sulphide deposits. Examples include the Mallee Bull deposit in the Cobar Basin, Woodlawn and the Benambra volcanogenic massive sulphide (VMS) deposits in the Lachlan Fold Belt, as well as a number of nickel deposits in the Fraser Range in Western Australia, where electromagnetic methods are being used extensively.

Electromagnetic surveys are widely used in environmental and geotechnical surveys, geothermal exploration, and ground water detection. It is a very effective technique in measuring salinity content in soils and in the water table as well as in delineating contamination plumes.

Equipment

  • Monex Geoscope TerraTem and TerraTx 50 transmitter.
  • Geonics EM38B-RT