Mine detail: Copper King Mine

Previously called 'Claims: Black Hawk No. 1Black Hawk No. 2'

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Location

Lat / long:

40.85026, -105.49588

Resource(M)

Primary:	Zinc, Uranium
Secondary:	Vanadium
Tertiary:	Copper, Iron, Molybdenum
Ore:	Chalcopyrite, Coffinite, Magnetite, Marcasite, Molybdenite, Pitchblende, Pyrite, Pyrrhotite, Sphalerite
Gangue:	Actinolite, Anthophyllite, Apatite, Fluorite, Goethite, Hematite, Phlogopite, Siderite
Orebody form:	WEDGE
Discovery year:	1925

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1920
Last production ended:	1953

Geology

Host rock:	Sherman Granite;Metasedimentary Rocks--Amphibole Skarn
Host type:	Granite
Associated rock:	Sherman Granite;Pegmatite
Associated type:	Pegmatite
Structure:	Front Range Uplift, Sherman Batholith, Virginia Dale Ring Dike Complex, Copper King Fault, B Fault, A Fau Lt
Tectonic:	Central Cordillera (Southern Rocky Mtns)
Alteration processes:	Saussuritic(?) Alteration Of Granite Wallrock; Amphibole And Mica Replacement In Skarn; Chloritization Of Skarn And Mica; Partial Oxidat Ion And Hydration Of Pitchblende; Fe Oxidation

References

MRDS	D010535
DEP	10013961
Reference	{Deposit:: SIMS, P.K., AND OTHERS, 1958, GEOLOGY OF THE COPPER KING URANIUM MI NE, LARIMER COUNTY, COLORADO: USGS BULL. 1032-D, 50 P.}{Deposit:: PHAIR, GEORGE, AND SIMS, P.K., 1954, PARAGENESIS AND AGE OF THE URA NIUM MINERALS IN THE COPPER KING MINE, LARIMER COUNTY, COLORADO (ABS.) : GSA BULL., V. 65, NO. 12, PT. 2, P. 1385.}{Deposit:: SIMS, P.K., AND TOULMIN, PRIESTLY, 1961, TEMPERATURE OF FORMATION O F A PRECAMBRIAN MASSIVE SULFIDE DEPOSIT, COPPER KING MINE, FRONT RANGE , COLORADO: USGS PROF. PAPER 424-B, P. B1-B2.}{Deposit:: NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENC ES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 208.}{Deposit:: COLORADO DIV. MINES ANN. OPERATOR REPTS. AND INF. REPTS.}{Production:: SIMS AND OTHERS (1920 ZN PROD.); ORIGINAL CRIB RECORD (1951 ZN AND U ORE PROD.); COLO. DIV. MINES (1952-53 U ORE PROD.); NELSON-MOORE AND OTHERS (CUMUL. U308/V205 PROD.)}
Reporter	Schwochow, Stephen D.