Mine detail: Rio Grande Pit

Previously called ''

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Location

Lat / long:

39.76805, -105.17002

Resource(B)

Primary:	Sand and Gravel, Construction
Secondary:	Gold, Silver
Ore:	Gold, Sand and Gravel
Orebody form:	TABULAR

Production

Operation type:	Unknown
Production size:	Yes
Development status:	Past Producer
Last production ended:	1973

Geology

Host rock:	Louviers Alluvium;Denver Formation
Host type:	Sand and Gravel
Structure:	Denver Basin, Front Range Uplift
Tectonic:	Central Platform

References

MRDS	D009449
DEP	10087760
Reference	{Deposit:: VAN HORN, RICHARD, 1972, SURFICIAL AND BEDROCK GEOLOGIC MAP OF THE GOLDEN QUADRANGLE, JEFFERSON COUNTY, COLORADO: USGS MAP I-761-A}{Deposit:: PARKER, B.H., JR., 1974, GOLD PLACERS OF COLORADO: COLORADO SCHOOL OF MINES QUART., V. 69, NO. 3, P. 63-126}
Reporter	Schwochow, Stephen D.