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Midnight Mine, Aspen District (Roaring Fork District), Pitkin Co., Colorado, USA

Latitude: 39°7'56"N
Longitude: 106°49'19"W

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REF:Deposit:: SPURR, J. E., 1898, GEOLOGY OF THE ASPEN DISTRICT, COLORADO: USGS MON. 31
Deposit:: BRYANT, BRUCE, 1971, GEOLOGIC MAP OF THE ASPEN QUADRANGLE, PITKIN COUNTY, COLORADO: USGS MAP GQ-933
Deposit:: BRYANT, BRUCE, 1972, MAP SHOWING MINES, PROSPECT
Commodities (Major) - Silver, Lead, Zinc; (Trace) - Gold, Copper
Development Status: Past Producer
Host Rock Unit: Leadville Limestone
Structure: Castle Creek Fault Zone, Annie Fault, Winnie Fault, Hope Fault, Sawatch Uplift, Central Colorado Trough, Piceance Basin, White River Uplift, Elk Uplift
Host Rock: Shale
Tectonic Structure: Central Cordillera (Southern Rocky Mtns); Colorado Platform

Mineral List

Acanthite
Baryte
Chalcopyrite

Galena
Muscovite
var: Sericite
Pyrite

Quartz
var: Chert
Silver

Sphalerite
'Tourmaline'

11 entries listed. 8 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Jobs in Colorado, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
Current server date and time: 14th Jul 2011 19:53:38