Colorado · Moffat County
Past Producer

Rock Springs Placer Co. Mine

Moffat County, Colorado, United States
GoldSilver
⌖ Show on mapUSGS source ↗
Description

Hugh Morrison

Commodities
PrimaryGold
SecondarySilver
Commodity typeM
Deposit
Deposit typePlacer
Deposit sizeS
Materials
Ore mineralsGold
Geology
Host rockSand and Gravel · Unconsolidated Deposits--Alluvium
StructureWashakie Basin
Tectonic settingColorado Platform
Economic & production
Development statusPast Producer
First production1892
Discovery year1891
Identification
Deposit ID10087790
MRDS IDD009740
RegionNA
Data scoreB
Coordinates40.9769, -107.63928
References
PARKER, B.H., JR., 1974, THE PLACERS OF MOFFAT COUNTY, IN GOLD PLACERS OF COLORADO: COLORADO SCHOOL OF MINES QUART., V. 69, NO. 4, P. 150-168.TWETO, OGDEN, 1976, GEOLOGIC MAP OF THE CRAIG 1X2 QUADRANGLE, NORTHWESTERN COLORADO: USGS MAP I-972SNOW, E.P., 1895, THE FOURMILE PLACER FIELDS OF (MOFFAT COUNTY), COLORADO AND WYOMING: ENG. MINING JOUR., V. 60, P. 102-105HOOVER, HERBERT C., 1897, GEOLOGY OF THE FOUR-MILE PLACER MINING DISTRICT (MOFFAT COUNTY), COLORADO: ENG. MINING JOUR., V. 63, P. 510.