Location: | Saguache County, Colorado, United States, North America |
Lat / long: | 37.94529, -106.30949 |
dep_id: | 10012914 |
mrds_id: | D008931 |
Commodity type: | metallic |
Major mineral: | Gold, Silver |
Trace mineral: | Lead, Molybdenum, Copper |
Operation type: | Unknown |
Production size: | Small ammount of material produced |
Development status: | Past Producer |
ore: | Cerargyrite, Gold, Wad |
gangue: | Beidellite, Magnetite, Malachite, Quartz |
alteration: | Pervasive Propylitization; Locally Intense Argillization; Kaolinitization, Silicification |
ore_ctrl: | Breccia Pipe And Shear Zone In Small Stock |
Reporter: | Schwochow, Stephen D. |
hrock_unit: | Biedell Quartz Latite |
hrock_type: | Quartz Latite |
arock_unit: | Biedell Quartz Latite |
arock_type: | Quartz Latite |
Structure: | San Juan Volcanic Field, Rio Grande Rift, Biedell-Klondike Fault, Esperanza Fault Zone, Biedell Stock |
tectonic: | Central Cordillera (Southern Rocky Mtns) |
disc_yr: | 1886 |
discr: | George E. Pollock |
References: |
- Deposit:: LARSEN, E.S., JR., AND CROSS, WHITMAN, 1956, GEOLOGY AND PETROLOGY OF THE SAN JUAN REGION, SOUTHWESTERN COLORADO: USGS PROF. PAPER 258, P. 83-86.
- Deposit:: OSTERWALD, E.J., 1977, THE BEIDELL AND SANDERSON VOLCANIC CENTERS, SAGUACHE COUNTY, COLORADO: COLORADO STATE UNIV. M.S. THESIS, 145 P.
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