Colorado · La Plata County
Past Producer

Muldoon Mine

La Plata County, Colorado, United States
SilverGoldAntimonyArsenic
⌖ Show on mapUSGS source ↗
Commodities
PrimarySilver
SecondaryGold
TertiaryAntimony, Arsenic
Commodity typeM
Deposit
Deposit typeVein
Model85: Polymetallic veins
Deposit sizeS
Materials
Ore mineralsGold, Proustite, Pyrargyrite
GangueBarite, Quartz
Geology
Host rockMudstone · Cutler Formation
Associated rockDiorite · Porphyritic Rocks--Diorite-Monzonite Porphyry
StructureSan Juan Uplift, Four Corners Platform, La Plata Dome
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
Last production1949
Identification
Deposit ID10087918
MRDS IDD010844
Alternate namesPatented Claim: Muldoon, MS 2356, Unpatented Claims: Independence, Cumberland
RegionNA
Data scoreB
Coordinates37.44501, -108.00008
References
ECKEL, E.B., AND OTHERS, 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219, P. 73-74, 155-156.BLM MINERAL SURVEY MS 2356COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.ECKEL AND OTHERS, 1949, P. 156 (AS COMPILED FROM USGS AND USBM RECORDS); COLORADO DIV. MINES ANN. OPERATOR REPTS.