Mine detail: Sneffels - Red Mountain District

Previously called ''

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Location

Lat / long:

37.9581, -107.75064

Resource(M)

Primary:

Copper, Lead, Gold, Zinc, Silver

Production

Operation type:	Unknown
Deposit type:	HYDROTHERMAL STOCK, MASSIVE (CHIMNEY DEPOSIT), HYDROTHERMAL VEIN
Production size:	Medium
Development status:	Past Producer

Geology

Structure:	THE SNEFFELS AND TELLURIDE DISTRICTS ARE IN THE EXTERIOR UNIT OF THE CALDERA. THE RED MOUNTAIN DISTRICT IS IN THE NORTHERN PART OF THE HIGHLY FAULTED ZONE., THE SILVERTON CALDERA HAS AN INTERIOR DOWN FAULTED CIRCULAR BLOCK, SURROUNDED BY SOME TILTED AND LOCALLY FAULTED ROCKS, SURROUNDED BY HIGHLY FAULTED ROCKS, AND AN EXTERIOR ZONE OF RELATIVELY UNDISTURBED BUT FISSURED ROCKS.
Alteration processes:	SILICIC, PORPHLITIC, ARGILLIC, ADVANCED ARGILLIC, SERICITIC

References

MRDS	MP90023
DEP	60001032
Reference	{Deposit:: KOSCHMANN, A.H., AND BERGENDAHL, M.H., 1968, PRINCIPAL GOLD-PRODUCING DISTRICTS OF THE UNITED STATES: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 610, 283 P.}{Deposit:: MOSIER, D.L., MENZIE, W.D., AND KLEINHAMPL, F.J., 1986, GEOLOGIC AND GRADE-TONNAGE INFORMATION ON TERTIARY EPITHERMAL PRECIOUS- AND BASE-METAL VEIN DISTRICTS ASSOCIATED WITH VOLCANIC ROCKS: U.S. GEOLOGICAL SURVEY BULLETIN 1666, 39 P.}{Deposit:: BARTOS, PAUL J., 1993, COMPARISON OF GOLD-RICH AND GOLD-POOR QUARTZ-BASE METAL VEINS: SOCIETY OF ECONOMIC GEOLOGISTS NEWSLETTER, NO. 15, 7 P.}