Method employing D.C. pulses for the detection of disseminated o

Details Method employing D.C. pulses for the detection of disseminated o Method employing D.C. pulses for the detection of disseminated o

1974-06-19

1976-05-25

Strecker, Gerard R.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

G01V 308, G01V 310

Patent

active

039597210

ABSTRACT:
Pulses of direct current are applied to the ground by means of a pair of electrodes or by means of a coil. These pulses produce an alternating current magnetic field if they are in the vicinity of a zone of mineralization. These secondary currents are measured both during and after the duration of the pulses thus enabling the zone to be deliniated readily and easily. The quality, quantity and geometry of the mineralized zone may be ascertained by analysing the characteristics of the secondary, alternating current magnetic field.

REFERENCES:
patent: 2200096 (1940-05-01), Rosaire et al.
patent: 2685058 (1954-07-01), Yost
patent: 2735980 (1956-02-01), Wait
patent: 2774060 (1956-12-01), Thompson
patent: 3060371 (1962-10-01), Townsend et al.
patent: 3210652 (1965-10-01), Seigel
patent: 3243695 (1966-03-01), Roark et al.
patent: 3315155 (1967-04-01), Colani
patent: 3398355 (1968-08-01), Barringer et al.
patent: 3836842 (1974-09-01), Zimmermann et al.

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