Locating underground uranium deposits

Details Locating underground uranium deposits Locating underground uranium deposits

1976-06-30

1977-10-11

Dixon, Harold A.

Radiant energy

Invisible radiant energy responsive electric signalling

With heating of luminophors

250253, 250484, G01T 111

Patent

active

040537722

ABSTRACT:
Underground uranium deposits are located by placing pairs of dosimeters each about 5 to 18 mg/cm.sup.2 thick underground in a grid pattern. Each dosimeter contains a phosphor which is capable of storing the energy of alpha particles. In each pair one dosimeter is shielded from alpha particles with more than 18 mg/cm.sup.2 thick opaque material but not gamma and beta rays and the other dosimeter is shielded with less than 1 mg/cm.sup.2 thick opaque material to exclude dust. After a period underground the dosimeters are heated which releases the stored energy as light. The amount of light produced from the heavily shielded dosimeter is subtracted from the amount of light produced from the thinly shielded dosimeter to give an indication of the location and quantity of uranium underground.

REFERENCES:
patent: 2593391 (1952-04-01), Bray
patent: 2775710 (1956-12-01), Ludeman
patent: 3169188 (1965-02-01), Horner et al.
patent: 3725659 (1973-04-01), Culley
patent: 3789227 (1974-01-01), Eichner et al.
patent: 3883748 (1975-05-01), Nada et al.

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