Mine detail: Liberty Mine

Previously called ''

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Location

Lat / long:

38.2964, -106.13754

Resource(M)

Primary:	Lead, Silver, Zinc, Copper
Secondary:	Gold
Ore:	Chalcopyrite, Covellite, Galena, Pyrite, Sphalerite, Stromeyerite, Tennantite
Gangue:	Barite, Beidellite, Calcite, Quartz
Orebody form:	LENTICULAR

Production

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

Geology

Host rock:	Bonanza Tuff;Rawley Andesite
Host type:	Latite
Associated rock:	Bonanza Tuff;Rawley Andesite
Associated type:	Latite,Andesite
Structure:	Sawatch Range, San Juan Volcanic Field, Rio Grande Rift, Bonanza Caldera
Tectonic:	Central Cordillera (Southern Rocky Mtns.)
Alteration processes:	Early Barren Stage Of Alteration By Fumarolic Or Acid-Hot Spring Activity Resulted In Intense Silicification, Wallrock Replacement By Jasper And Alteration Products Hematite, Diaspore, Alunite, Barite, Zunyite, Rutile, And Kaolin Minerals. Later Mineralizing Stage By Alkaline Or Neutral Solutions Deposited Ore And Gangue And Caused Micaceous Alteration (Sericite And Chlorite) And Calcite, Quartz, And Pyrite.

References

MRDS	D008209
DEP	10012540
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.}
Reporter	Schwochow, Stephen D.