Commodities
PrimaryZinc, Lead, Silver
SecondaryCopper
TertiaryGold
Commodity typeM
Deposit
Deposit typeVein
Model85: Polymetallic veins
Deposit sizeN
Ore controlProbable Fault Zone Cutting Limestones
Materials
Ore mineralsGalena, Pyrite, Sphalerite
GangueCalcite, Limonite, Quartz
Geology
Host rockLimestone · Ouray Limestone;Leadville Limestone
Associated rockMonzonite,Gabbro · Electra Lake Gabbro;Monzonite Porphyry
StructureSan Juan Uplift, Needle Mtns Uplift
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationFe Oxidation, Silicification
Economic & production
Development statusOccurrence
Identification
Deposit ID10014202
MRDS IDD010871
RegionNA
Data scoreC
Coordinates37.61973, -107.80897
References
SCOTT, D.C., 1983, MINERAL INVESTIGATION OF THE WEST NEEDLE WILDERNESS STUDY AREA AND THE BLM WEST NEEDLE CONTIGUOUS WILDERNESS STUDY AREA,LA PLATA AND SAN JUAN COUNTIES, COLORADO: USBM MLA 35-83,P.8, 42-44.BARKER, FRED, 1969, PRECAMBRIAN GEOLOGY OF THE NEEDLE MOUNTAINS, SOUTHWESTERN COLORADO: USGS PROF. PAPER 644-A.CROSS, WHITMAN, AND HOLE, A.D., 1910, DESCRIPTION OF THE ENGINEER MOUNTAIN QUADRANGLE: USGS FOLIO 171.