Mine detail: Twins Mines

Previously called ''

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Location

Lat / long:

38.26862, -106.21504

Resource(M)

Primary:	Lead, Zinc
Ore:	Galena, Sphalerite

Production

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

Geology

Host rock:	Rawley Andesite;Bonanza Tuff
Host type:	Latite,Andesite
Associated rock:	Rawley Andesite;Bonanza Tuff
Associated type:	Latite,Andesite
Structure:	Sawatch Range, San Juan Volcanic Field, Rio Grande Rift, Bonanza Caldera
Tectonic:	Central Cordillera (Southern Rocky Mtns.)

References

MRDS	D008227
DEP	10012552
Reference	{Deposit:: PATTON, H.B., 1916, GEOLOGY AND ORE DEPOSITS OF THE BONANZA DISTRICT, SAGUACHE COUNTY, COLORADO: COLORADO GEOLOGICAL SURVEY BULL. 9, 136 P.}{Deposit:: BURBANK, W.S., 1932, GEOLOGY AND ORE DEPOSITS OF THE BONANZA MINING DISTRICT, COLORADO: USGS PROF. PAPER 169, 166 P.}{Deposit:: MARRS, R.W., 1973, APPLICATION OF REMOTE-SENSING TECHNIQUES TO THE GEOLOGY OF THE BONANZA VOLCANIC CENTER: COLORADO SCHOOL OF MINES PH.D. THESIS T-1531}
Reporter	Schwochow, Stephen D.