Mine detail: East-West Pegmatite

Previously called 'West-West Pegmatite'

<< Back to the map

Location

Lat / long:

38.79806, -105.62086

Resource(M)

Primary:	Beryllium, REE, Thorium, Niobium (Columbium)
Discovery year:	1951

Production

Operation type:	Unknown
Production size:	Small
Development status:	Occurrence
First production started:	1951

Geology

Host rock:	Biotite Gneiss
Host type:	Gneiss
Structure:	Front Range, Thirtynine Mile Volcanic Field, Currant Creek Fault Zone And Related Faults
Tectonic:	Central Cordillera, Southern Rocky Mountains

References

MRDS	D004878
DEP	10010858
Reference	{Deposit:: BEVER, J.E. 1953 NOTES ON SOME MINERAL OCCURRENCES IN THE GUFFEY REGION, COLORADO: AMERICAN MINERALOGIST V. 38 P. 138-141.}{Deposit:: HEINRICH, E.W. AND BEVER, J.E., 1957, RADIOACTIVE MINERAL OCCURRENCES IN THE GUFFEY AREA, PARK AND FREMONT COUNTIES, COLORADO: COLORADO SCHOOL OF MINES QUARTERLY, V. 52, NO. 4, P. 33.}
Reporter	Foord, Suzann C, Collins, Donna B.