Location: | Custer County, Colorado, United States, North America |
Lat / long: | 38.1289, -105.33363 |
dep_id: | 10012430 |
mrds_id: | D008054 |
Commodity type: | metallic |
Major mineral: | Silver, Gold |
Minor mineral: | Lead, Zinc, Copper |
Operation type: | Unknown |
Production size: | Small ammount of material produced |
Development status: | Past Producer |
ore: | Chalcopyrite, Galena, Gold, Jamesonite, Smithsonite, Sphalerite, Tetrahedrite |
gangue: | Calcite, Dolomite, Pyrite, Quartz, Stibnite |
orebody_fm: | PIPE-LIKE STRUCTURE |
model: | 82: Epithermal veins |
alteration: | Strong Argillization; Quartz Zone |
conc_proc: | Supergene Enrichment Near Surface |
ore_ctrl: | At Junction Of Two Fracture Planes |
Reporter: | Collins, Donna B. |
hrock_unit: | Granite And Gneiss Fragments Found At Depth |
hrock_type: | Tuff,Volcanic Breccia (Agglomerate),Andesite |
arock_unit: | Rosita Andesite |
arock_type: | Andesite |
Structure: | Rosita Volcanic Center, Wet Mtns, Breccia Pipe, Faults, Fractures, Mineralized Fissures |
tectonic: | Central Cordillera (Southern Rocky Mtns) |
Year first produced: | 1878 |
disc_yr: | 1877 |
References: |
- Deposit:: CROSS, WHITMAN, 1896, GEOLOGY OF SILVER CLIFF AND THE ROSITA HILLS, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 263-403.
- 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. .
- 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.
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