Effects of the non-conductor on the potential curves of the spontaneous polarization method were studied experimentally.
The, results were as follows:
(a) The horizontal non-conductor give the greatest effect and the effects decrease gradually as the dip of the non-conductor becomes steeper and steeper.
(b). The deviation of the negative center occurs apparently when the are body lies nnder the non-cOnductor or near by it.
(c) The potential cuves of the vertical are body with non-conductor is very similar as- to that of the inclined ore body Without non-conductor, so the interpretation of the measured field data becomes more complicated.
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