Mine detail: Delaware Mine

Previously called ''

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Location

Lat / long:

38.11112, -105.36085

Resource(M)

Primary:

Silver

Production

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

Geology

Host type:	Trachyte,Andesite
Associated rock:	Game Ridge Trachyte;Rosita Andesite
Associated type:	Trachyte,Andesite
Structure:	Rosita Volcanic Center, Wet Mtns, Mineralized Fissures, Possibly Continuation Of Nearby Faults
Tectonic:	Central Cordillera (Southern Rocky Mtns)
Alteration processes:	Strong Argillization

References

MRDS	D008057
DEP	10101733
Reference	{Deposit:: SIEMS, P.L., 1967, VOLCANIC AND ECONOMIC GEOLOGY OF THE ROSITA HILLS AND SILVER CLIFF DISTRICTS, CUSTER COUNTY, COLORADO: COLORADO SCHOOL MINES, D. SC. THESIS, T 1042, 222 P.}{Deposit:: SHARP, W.N., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081, 1:24,000.}
Reporter	Collins, Donna B.