Mine detail: Columbia District

Previously called ''

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Location

Lat / long:

39.05916, -106.8509

Resource(M)

Primary:	Silver, Lead, Zinc, Iron
Secondary:	Copper, Gold
Tertiary:	Molybdenum, Antimony, Titanium, Metal, Manganese
Ore:	Chalcopyrite, Limonite, Magnetite, Molybdenite, Pyrite, Sphalerite
Gangue:	Goethite, Hematite, Quartz
Discovery year:	1880

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer
First production started:	1881

Geology

Host rock:	Maroon Formation;Belden Formation
Host type:	Hornfels,Limestone
Associated rock:	Granodiorite;Porphyritic Granodiorite
Associated type:	Diorite
Structure:	Sawatch Uplift, Central Colorado Trough, Piceance Basin, Elk Uplift, White Rock Pluton, Elk Range Thrust Fault
Tectonic:	Central Cordillera (Southern Rocky Mtns)
Alteration processes:	Sericitization, Albitization, Fe Oxidation

References

MRDS	D010146
DEP	10013710
Reference	{Deposit:: BRYANT, BRUCE, 1971, DISSEMINATED SULFIDE DEPOSITS IN THE EASTERN ELK MOUNTAINS, COLORADO: USGS PROF. PAPER 750-D, P. D13-D25.}{Deposit:: BRYANT, BRUCE, 1970, GEOLOGIC MAP OF THE HAYDEN PEAK QUADRANGLE, PITKIN AND GUNNISON COUNTIES, COLORADO: USGS MAP GQ-863}{Deposit:: BRYANT, BRUCE, 1979, GEOLOGY OF THE ASPEN 15-MINUTE QUADRANGLE, PITKIN AND GUNNISON COUNTIES, COLORADO: USGS PROF. PAPER 1073, P. 114-115.}{Deposit:: WESTON, W., 1910, THE TAM *HANTER-MONTEZUMA MINES: COLORADO STATE PLAN. COMM. UNPUB. REPT.}{Deposit:: BRYANT, BRUCE, 1969, GEOLOGIC MAP OF THE MAROON BELLS QUADRANGLE, PITKIN AND GUNNISON COUNTIES, COLORADO: USGS MAP GQ-788}{Deposit:: DEVEREUX, W.B., 1884, NOTES ON IRON-ORE DEPOSITS IN PITKIN COUNTY: AIME TRANS., V. 12, P. 638-640}
Reporter	Schwochow, Stephen D.