Commodities
PrimarySilver
SecondaryGold, Copper, Lead, Zinc
Commodity typeM
Deposit
Deposit typeVein
Model85: Polymetallic veins
Deposit sizeN
Ore controlMetalliferous Veins Controlled By Regional Rectangular Fracture System In Granites And By Local Radial Fracture System Associated With Emplacement Of Chicago Basin Stock
Materials
Ore mineralsSphalerite
GangueCalcite, Fluorite, Quartz, Rhodochrosite
Geology
Host rockQuartz Monzonite,Granite · Eolus Granite
Associated rockQuartz Monzonite,Rhyolite,Granite · Eolus Granite;Intrusive Bodies And Related Rocks (Younger And Older Bodies Of Chicago Basin Stock)
StructureSan Juan Uplift, San Juan Basin, San Juan Volcanic Field, Needle Mtns Uplift, Chicago Basin Stock, Eolus Batholith, Trimble Stock
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusOccurrence
Identification
Deposit ID10014086
MRDS IDD010710
RegionNA
Data scoreB
Coordinates37.61668, -107.61035
References
SCHMITT, L.J., AND RAYMOND, W.H., 1977, GEOLOGY AND MINERAL DEPOSITS OF THE NEEDLE MOUNTAINS DISTRICT, SOUTHWESTERN COLORADO: USGS BULL. 1434, 40 P.STEVEN, T.A., AND OTHERS, 1969, MINERAL RESOURCES OF THE SAN JUAN PRIMITIVE AREA, COLORADO: USGS BULL. 1261-F, P. 30-32, 55-67, 94, 162-163.CROSS, WHITMAN, AND OTHERS, 1905, DESCRIPTION OF THE NEEDLE MOUNTAINS QUADRANGLE, COLORADO: USGS FOLIO 131.