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Economic Geology GSW 2008 Users' Group Meeting
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Economic Geology; February 1961; v. 56; no. 1; p. 211-212
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The detection of radio-active minerals with infrared aerial photography

Erhard M. Winkler, and Barry Voight

Pictures were taken of radioactive specimens in subdued light using infrared color film with a film-object distance of about 24 in. No radioactive effects could be observed. Similar negative results were obtained using a source of 5 mg. of Ra. This proves the inability of this film to reveal U ore bodies from the air either directly by bombardment of the film emulsion by radiation or by heat released during radioactive decomposition.

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