Description
George E. Pollock
Commodities
PrimaryGold, Silver
TertiaryLead, Molybdenum, Copper
Commodity typeM
Deposit
Deposit sizeS
Ore controlBreccia Pipe And Shear Zone In Small Stock
Materials
Ore mineralsCerargyrite, Gold, Wad
GangueBeidellite, Magnetite, Malachite, Quartz
Geology
Host rockQuartz Latite · Biedell Quartz Latite
Associated rockQuartz Latite · Biedell Quartz Latite
StructureSan Juan Volcanic Field, Rio Grande Rift, Biedell-Klondike Fault, Esperanza Fault Zone, Biedell Stock
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationPervasive Propylitization; Locally Intense Argillization; Kaolinitization, Silicification
Economic & production
Development statusPast Producer
Discovery year1886
Identification
Deposit ID10012914
MRDS IDD008931
Alternate namesCeltic, Atlantic, Adriatic, Queen of Sheba, Adelia, Baltic, Buckhorn, Oceanic
RegionNA
Data scoreB
Coordinates37.94529, -106.30949
References
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.OSTERWALD, E.J., 1977, THE BEIDELL AND SANDERSON VOLCANIC CENTERS, SAGUACHE COUNTY, COLORADO: COLORADO STATE UNIV. M.S. THESIS, 145 P.