Method of geophysical prospecting for polymineral ore bodies

Details Method of geophysical prospecting for polymineral ore bodies Method of geophysical prospecting for polymineral ore bodies

G - Physics

01

V

349/14

G01V 1/28 (2006.01)

Patent

CA 1235472

- 18 - METHOD OF GEOPHYSICAL PROSPECTING FOR POLYMINERAL ORE BODIES ABSTRACT The method of geophysical prospecting for polymineral ore bodies including registering pulsed electromagnetic radiation generated by the ore bodies under the action of ealstic waves excited in the rock block. The radiation is registered as pulse bursts, each burst corresponding to one ore body. The shape of a pulse corresponding to the ore body under investigation is compared with the shapes of pulses corresponding to ore bodies of the known mineral composition, and one similar pulse is selected from these pulses. Then a pulse from the burst corresponding to the ore body under investigation is subjected to the Fourier transformation to obtain the pulse height-frequency spect- rum of this pulse, which is compared with the pulse height- frequency spectrum of the selected pulse, and when at le- ast two frequencies of the maximums of the amplitudes of these respective spectra coincide, there is established correspondence between the mineral compositions of the known ore body and of the ore body under investigation.

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