Mine detail: St. Louis Tunnel

Previously called ''

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Location

Lat / long:

37.70751, -108.03148

Resource(M)

Primary:	Silver, Lead, Zinc, Gold
Tertiary:	Bismuth, Tellurium
Ore:	Sphalerite
Gangue:	Fluorite, Tetradymite

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Hermosa Formation;Rico Formation
Host type:	Limestone,Dolomite
Associated rock:	Hornblende Latite Porphyry;Alaskite Porphyry
Associated type:	Latite,Granite
Structure:	San Juan Uplift, Paradox Basin, Rico Dome, Blackhawk Fault, Princeton Fault
Tectonic:	Central Cordillera (Southern Rocky Mtns)

References

MRDS	D010786
DEP	10014139
Reference	{Deposit:: MCKNIGHT, E.T., 1974, GEOLOGY AND ORE DEPOSITS OF THE RICO DISTRICT, COLORADO: USGS PROF. PAPER 723, P. 79-81.}{Deposit:: PRATT, W.P., AND OTHERS, 1969, GEOLOGIC MAP OF THE RICO QUADRANGLE, DOLORES AND MONTZUMA COUNTIES, COLORADO: USGS. MAP GQ-797.}{Deposit:: RANSOME, F.L., 1901, THE ORE DEPOSITS OF THE RICO MOUNTAINS, COLORADO: USGS 22D ANN. REPT., PT. 2.}{Deposit:: CROSS, WHITMAN, AND RANSOME, F.L., 1905, DESCRIPTION OF THE RICO QUADRANGLE: USGS FOLIO 130.}
Reporter	Schwochow, Stephen D.