Mine detail: Mann Ranch

Previously called 'Mann MineVanadium Queen Mine'

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Location

Lat / long: 39.63416, -105.16947

Resource(M)

Primary: Uranium
Tertiary: Molybdenum
Ore: Uraninite
Gangue: Ilsemannite, Pyrite
Orebody form: WEDGE

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
First production started: 1955
Last production ended: 1961

Geology

Host rock:South Platte Formation
Host type:Sandstone
Structure:Denver Basin, Front Range Uplift, Golden Fault, Damming Fault
Tectonic:Central Platform

References

MRDSD009852
DEP10101826
Reference{Deposit:: NELSON-MOORE, J.L., COLLINS, D.B., AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: COLORADO GEOLOGICAL SURVEY BULL. 40, P. 193}{Deposit:: SCOTT, GLENN R., 1972, GEOLOGIC MAP OF THE MORRISON QUADRANGLE, JEFFERSON COUNTY, COLORADO: USGS MAP I-790-A, 1:24,000.}{Deposit:: RICHTER, D.H., 1964, MANN NO. 1 MINE, IN SIMS, P.K., AND SHERIDAN, D.M., GEOLOGY OF URANIUM DEPOSITS IN FRONT RANGE, COLORADO: USGS BULL. 1159, P. 104, PL. 5.}{Deposit:: GOLDSTEIN, E.H., 1957, GEOLOGY OF THE DAKOTA FORMATION URANINITE DEPOSIT NEAR MORRISON, COLORADO: ECON, GEOLOGY, V. 52, NO. 7, P. 775-785}{Production:: RICHTER, 1964, P. 102; NELSON-MOORE AND OTHERS, 1978, P. 193}
ReporterBanke, Carl M.