Mine detail: Red Gulch Mine

Previously called ''

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Location

Lat / long:

38.50779, -105.69697

Resource(M)

Primary:	Copper
Secondary:	Silver
Tertiary:	Vanadium
Ore:	Chalcocite, Malachite, Silver
Gangue:	Barite
Discovery year:	1875

Production

Operation type:	Underground
Production size:	Small
Development status:	Past Producer
First production started:	1907
Last production ended:	1907

Geology

Host rock:	Minturn Formation, Belden Formation;Harding Sandstone; Manitou Limestone (?)
Host type:	Shale,Siltstone,Sandstone,Coal,Black Shale
Associated type:	Conglomerate
Structure:	Cotopaxi Fault lies just east of the shaft., Thirtynine Mile Volcanic Field, Cotopaxi Fault
Tectonic:	Central Cordillera (Southern Rocky Mountains)
Alteration processes:	Oxidized To Reddish, Yellowish, Or Red-Brown Color

References

MRDS	D009457
DEP	10013260
Reference	{Deposit:: LINDGREN, WALDEMAR, 1908, NOTES ON COPPER DEPOSITS IN CHAFFEE, FREMONT, AND JEFFERSON COUNTIES, COLORADO: USGS BULLETIN 340, P. 170-174.}{Deposit:: BUTLER, J.R., 1954, GEOLOGY OF AN AREA NORTH OF COTOPAXI, FREMONT COUNTY, COLORADO: M. S. THESIS, UNIVERSITY OF COLORADO, P. 47-48.}{Deposit:: TAYLOR, R.B., SCOTT, G.R., WOBUS, R.A., EPIS, R.C., 1975, RECONNAISSANCE GEOLOGIC MAP OF THE COTOPAXI 15-MINUTE QUADRANGLE, FREMONT AND CUSTER COUNTIES, COLORADO: USGS MAP I-900, 1:62,500.}{Deposit:: SCOTT, G.R., 1975, HISTORIC TRAIL MAPS OF THE PUEBLO 1 DEGREE X 2 DEGREES QUADRANGLE, COLORADO: USGS MAP I-930, 1:250,000}
Reporter	Collins, Donna B., Keller, John W.