Sarma, Dharmajit G. ; Biswas, Sakti K. (1965) An electromagnetic prospecting instrument for subsurface conducting zones Pure and Applied Geophysics, 62 (1). pp. 124-128. ISSN 0033-4553
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Official URL: http://www.springerlink.com/content/h57777306145nj...
Related URL: http://dx.doi.org/10.1007/BF00875293
Abstract
A portable electromagnetic prospecting unit comprising a transmitter, receiver and resolver, designed and constructed to operate with a vertical setup of coils at a single frequency of 1250 cps, measures the components of the magnetic field at the receiver station resolved 'in phase' and at 'quadrature' with field near the transmitter. This may be used to locate vertical or steeply dipping conductors down to a depth of about 0.6 times the maximum workable transmitter receiver separation of 120 meters, the accuracy of measurements of the resolved components being better than 2%. The variation of resolved components over a buried conductor indicates its position and depth.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Birkhauser-Verlag. |
| ID Code: | 28187 |
| Deposited On: | 14 Dec 2010 08:18 |
| Last Modified: | 06 Jun 2011 11:39 |
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