Commodities
PrimaryGold, Silver
TertiaryLead, Copper
Commodity typeM
Deposit
Deposit typeVein
Model85: Polymetallic veins
Deposit sizeS
WorkingsUnderground
Materials
Ore mineralsChalcopyrite
GangueQuartz
Geology
Host rockQuartz Monzonite,Schist,Gneiss,Granite · Irving Formation;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, Eolus Batholith, Chicago Basin Stock, Trimble Stock
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
Last production1916
Identification
Deposit ID10014080
MRDS IDD010702
RegionNA
Data scoreB
Coordinates37.6189, -107.65342
References
SCHMITT, L.J., AND RAYMOND, W.H., 1977, GEOLOGY AND MINERAL DEPOSITS OF THE NEEDLE MOUNTAINS DISTRICT, SOUTH-WESTERN 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.CROSS, WHITMAN, AND OTHERS, 1905, DESCRIPTION OF THE NEEDLE MOUNTAINS QUADRANGLE, COLORADO: USGS FOLIO 131.COLORADO DIV. MINES INF. REPT.