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Geology of the Copper King uranium mine, Larimer County, Colorado

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Geology of the Copper King uranium mine, Larimer County, Colorado; 1955; TEI; 424; Sims, Paul Kibler; Phair, George; Moench, Robert Hadley

Summary

The Copper King mine in Larimer County, Colo., in the northern part of the Front Range of Colorado, was opened in World War I in an unsuccessful attempt to mine copper and zinc ore. In 1949, following the discovery of pitchblende on the dump, the mine was reopened, and it was worked until 1953 for uranium. A total of 652 tons of ore that contained an average of 0.28 percent U3O8 was shipped. The bedrock consists predominantly of biotite granite, part of the Precamblian Log Cabin batholith, and minor metasedimentary rocks -- biotite-quartz-plagioclase gneiss, amphibole skarn, biotite schist, quartzite, amphibolite, and biotite sköls. The metasedimentary rocks occur as inclusions that trend northeast, essentially parallel to the prevailing [...]

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Harvested on Sat Oct 31 04:18:28 MDT 2015 from MODS XML Service

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Type Scheme Key
local-index unknown tei424
local-pk unknown 71458
series unknown Trace Elements Investigations

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journalTrace Elements Investigations
parts
typePublication Place
valueWashington, D.C.
languageEnglish
citationTypeReport

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