Reconnaissance for Radioactivity in the Gold Hill Mining Area, Boulder County, Colorado, Part 1

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Abstract: Several radioactive deposits were found as a result of reconnaissance in the Gold Hill mining area, Boulder County, Colo. The ore deposits of the area have been worked chiefly for gold. All ore shipped has come from fissure veins, most of which are gold telluride veins. There are, however, some important sulfide veins which show a vague zonal distribution of pyritic gold ores and silverlead ores. The results of this reconnaissance suggest a possible relationship of the radioactive deposits to this indistinct sulfide zoning; however, the zoning is so obscure that its practical application to prospecting for uranium is … continued below

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27 p. : ill., maps ; 28 cm.

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Campbell, R. H. February 1955.

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Abstract: Several radioactive deposits were found as a result of reconnaissance in the Gold Hill mining area, Boulder County, Colo. The ore deposits of the area have been worked chiefly for gold. All ore shipped has come from fissure veins, most of which are gold telluride veins. There are, however, some important sulfide veins which show a vague zonal distribution of pyritic gold ores and silverlead ores. The results of this reconnaissance suggest a possible relationship of the radioactive deposits to this indistinct sulfide zoning; however, the zoning is so obscure that its practical application to prospecting for uranium is of doubtful value at the present time. Pitchblende, torbernite, metatorbernite, and schroeckingerite have been identified in specimens from the area; however, no uranium minerals have yet been identified from most of the radioactive deposits, and the uraniferous material present is probably in disseminated small particles. Although selected samples from several localities assay 0.10 percent uranium or more, the known deposits are small and probably are not of immediate economic importance

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27 p. : ill., maps ; 28 cm.

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  • OCLC: 954479344
  • SuDoc Number: Y 3.AT 7:22/TEM-563A
  • Report No.: TEM-563A
  • Archival Resource Key: ark:/67531/metadc784347

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  • February 1955

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  • July 14, 2017, 6:39 a.m.

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  • Jan. 2, 2018, 6:39 p.m.

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Thumbnail image of item number 1 in: 'Reconnaissance for Radioactivity in the Gold Hill Mining Area, Boulder County, Colorado, Part 1'.
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Campbell, R. H. Reconnaissance for Radioactivity in the Gold Hill Mining Area, Boulder County, Colorado, Part 1, report, February 1955; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc784347/: accessed July 15, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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