Colorado · Jefferson County
Past Producer

Rio Grande Pit

Jefferson County, Colorado, United States
Sand and GravelConstructionGoldSilver
⌖ Show on mapUSGS source ↗
Commodities
PrimarySand and Gravel, Construction
SecondaryGold, Silver
Commodity typeB
Deposit
Deposit sizeY
Orebody formTABULAR
Materials
Ore mineralsGold, Sand and Gravel
Geology
Host rockSand and Gravel · Louviers Alluvium;Denver Formation
StructureDenver Basin, Front Range Uplift
Tectonic settingCentral Platform
Economic & production
Development statusPast Producer
Last production1973
Identification
Deposit ID10087760
MRDS IDD009449
RegionNA
Data scoreB
Coordinates39.76805, -105.17002
References
VAN HORN, RICHARD, 1972, SURFICIAL AND BEDROCK GEOLOGIC MAP OF THE GOLDEN QUADRANGLE, JEFFERSON COUNTY, COLORADO: USGS MAP I-761-APARKER, B.H., JR., 1974, GOLD PLACERS OF COLORADO: COLORADO SCHOOL OF MINES QUART., V. 69, NO. 3, P. 63-126