Mine detail: Grover Mine

Previously called ''

<< Back to the map

Location

Lat / long:

39.70749, -105.44003

Resource(B)

Primary:	Feldspar, Mica
Tertiary:	Beryllium, Niobium (Columbium), REE
Ore:	Bertrandite, Beryl, Columbite, Microcline, Monazite, Muscovite
Gangue:	Albite, Biotite, Fluorite, Quartz
Orebody form:	TABULAR

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Idaho Springs Formation---Feldspar-Rich Gneiss
Host type:	Gneiss
Associated rock:	Pegmatite
Associated type:	Pegmatite
Structure:	Front Range Uplift, Denver Basin, Floyd Hill Fault Zone, Unnamed Anticline, Unnamed Overturned Syncline
Tectonic:	Central Cordillera (Southern Rocky Mtns)

References

MRDS	D010227
DEP	10013763
Reference	{Deposit:: HANLEY, J.B., AND OTHERS, 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942-44: USGS PROF. PAPER 227, P. 29-30}{Deposit:: SHERIDAN, D.M., AND MARSH, S.P., 1976, GEOLOGIC MAP OF THE SQUAW PASS QUADRANGLE, CLEAR CREEK, JEFFERSON, AND GILPIN COUNTIES, COLORADO: USGS MAP GQ-1337}
Reporter	Schwochow, Stephen D.