Commodities
PrimaryGold, Silver
SecondaryCopper, Lead, Zinc
Commodity typeM
Deposit
Deposit typeVein
Model85: Polymetallic veins
Deposit sizeS
Materials
Ore mineralsChalcopyrite, Galena, Sphalerite
GangueBarite, Quartz
Geology
Host rockMonzonite,Mudstone,Shale,Sandstone · Cutler Formation
Associated rockMonzonite,Diorite · Porphyritic Rocks--Diorite-Monzonite Porphyry;Nonporphyritic Rocks--Monzonite
StructureSan Juan Uplift, Four Corners Platform, La Plata Dome, Spiller Peak Stock
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationOxidation Of Pyrite To Limonite; Sericitization; Kaolinitization
Economic & production
Development statusPast Producer
Last production1920
Identification
Deposit ID10014156
MRDS IDD010806
RegionNA
Data scoreB
Coordinates37.42168, -108.07926
References
ECKEL, E.B., AND OTHERS, 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219, P. 67-68, 97-98ECKEL AND OTHERS, 1949, P. 97 (AS COMPILED FROM USGS AND USBM RECORDS)