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ON-B-40D Radioactive Mineral Occurrences of Colorado and Bibliography (Data)

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The data comprising this GIS and data download, digitized in 2020, is a partial compilation of the 1978 CGS publication Bulletin 40 – Radioactive Mineral Occurrences of Colorado (and Bibliography). Funding for this digitization project was from a U.S. Geological Survey National Geological and Geophysical Data Preservation Program (NGGDPP) grant with matching funds provided by the CGS. Digital ZIP download. ON-B-40D

Included in this ZIP package:

ON-B-40D Radioactive Mineral Occurrences.xlsxA Microsoft Excel spreadsheet that includes radioactive mineral occurrence data, data dictionary, acronyms, bibliography, tables 1-3, and Appendix 1.

ON-B-40D County Summaries of Radioactive Mineral Occurrences.pdfA compilation of the county summaries of radioactive mineral occurrences from the original document.

GIS_Data folderContains shapefiles of the radioactive mineral occurrence locations, data associated with each occurrence, and the general location of the US Atomic Energy Commission (AEC) leases reported in the original document.

From the [original report] Abstract:

This two-part report provides an essentially complete listing of radioactive occurrences in Colorado, with a comprehensive bibliography and bibliographic cross-indexes. Part 1 lists approximately 3000 known radioactive occurrences with their locations and brief accounts of the geology, mineralogy, radioactivity, host rock, production data, and source of data for each. The occurrences are classified by host rock and plotted on U.S. Geological Survey 1° x 2° topographic quadrangle maps with a special 1:100,000-scale base map for the Uravan mineral belt. Part 2 contains the bibliography of approximately 2500 citations on radioactive mineral occurrences in the state, with cross-indexes by county, host rock, and the special categories of “Front Range”, “Colorado Plateau”, and “thorium”. The term “occurrence” as used in this report is defined as any site where the concentration of uranium or thorium is at least 0.01 percent or where the range of radioactivity is greater than twice the background radioactivity.

To the GIS map: ON-B-40M Radioactive Mineral Occurrences of Colorado and Bibliography (Map)

To the original 1978 report publication: Bulletin 40 – Radioactive Mineral Occurrences of Colorado (and Bibliography)