Mine detail: Immortal Mine

Previously called 'Revelee Property'

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Location

Lat / long:

38.16529, -105.4439

Resource(M)

Primary:	Silver, Iron, Lead
Secondary:	Copper
Ore:	Galena, Magnetite, Pyrite, Chalcopyrite, Sphalerite
Gangue:	Barite, Siderite
Discovery year:	1882

Production

Operation type:	Underground
Deposit type:	Vein
Production size:	None
Development status:	Past Producer

Geology

Host rock:	Undivided Gneiss
Host type:	Gneiss
Associated rock:	Silver Cliff Rhyolite
Associated type:	Rhyolite
Structure:	Silver Cliff Volcanic Center, Wet Mtns, Wet Mtn Valley, Many Small Faults
Tectonic:	Central Cordillera (Southern Rocky Mtns)
Alteration processes:	Ferruginous Zone

References

MRDS	D007662
DEP	10094453
Reference	{Deposit:: CROSS, WHITMAN, 1896, GEOLOGY OF SILVER CLIFF AND THE ROSITA HILLS, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 263-403.}{Deposit:: EMMONS, S.F., 1896, THE MINES OF CUSTER COUNTY, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 405-472.}{Deposit:: SHARP, W.M., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAPS I-1081.}
Reporter	Collins, Donna B.