Mine detail: Pitch Mine

Previously called 'Pinnacle MineErie No. 28 ClaimPitch Tunnel'

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Location

Lat / long:

38.4075, -106.30088

Resource(M)

Primary:	Uranium
Secondary:	Vanadium
Tertiary:	Copper, Zinc, Lead
Ore:	Pitchblende, Uraninite, Uranophane
Gangue:	Chalcocite, Covellite, Galena, Hematite, Jasper, Limonite, Marcasite, Pyrite
Orebody form:	intermediate dipping breccia zone
Discovery year:	1955

Production

Operation type:	Surface-Underground
Production size:	Medium
Development status:	Past Producer
First production started:	1958
Last production ended:	1981

Geology

Host rock:	Leadville Dolomite;Belden Formation
Host type:	Shale,Sandstone,Limestone,Dolomite
Structure:	Chester Fault, Unnamed Syncline, Sawatch Range
Tectonic:	Central Cordillera (Southern Rocky Mtns.)
Alteration processes:	Oxidation Of U And Fe Minerals

References

MRDS	D008021
DEP	10012409
Reference	{Deposit:: WRIGHT, R.J., AND EVERHART, D.L., 1960, URANIUM-MARSHALL PASS DISTRICT, IN DEL RIO, S.M., MINERAL RESOURCES OF COLORADO-FIRST SEQUEL: COLORADO ST. MINERAL RESOURCES BD., P. 357-359}{Deposit:: NASH, J.T., 1979, GEOLOGY, PETROLOGY, AND CHEMISTRY OF THE LEADVILLE DOLOMITE-HOST FOR URANIUM AT THE PITCH MINE, SAGUACHE COUNTY, COLORADO: USGS OPEN-FILE REPT. 79-1556, 51 P.}{Deposit:: COLORADO DIV. MINES ANN. OPERATOR REPTS.}{Production:: COLO. DIV. MINES ANN OPERATOR REPTS.}
Reporter	Schwochow, Stephen D.