The East-West Pegmatite is a ree, thorium, niobium (columbium), and beryllium mine located in Park county, Colorado at an elevation of 9,600 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 9,600 Feet (2,926 Meters)
Commodity: REE, Thorium, Niobium (Columbium), Beryllium
Lat, Long: 38.79806, -105.62028
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
East-West Pegmatite MRDS details
Site Name
Primary: East-West Pegmatite
Secondary: West-West Pegmatite
Commodity
Primary: REE
Primary: Thorium
Primary: Niobium (Columbium)
Primary: Beryllium
Location
State: Colorado
County: Park
District: Guffey Area
Land Status
Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Not available
Ownership
Owner Name: George West
Home Office: Guffey, Co.
Years: 1957 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Year First Production: 1951
Discovery Year: 1951
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: R
Description: Front Range, Thirtynine Mile Volcanic Field
Type: L
Description: Currant Creek Fault Zone And Related Faults
Alterations
Not available
Rocks
Name: Gneiss
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Gneiss
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Not available
Comments
Comment (Production): PRODUCED FELDSPAR (MICROCLINE?) AND POSSIBLY MUSCOVITE DURING 1950'S
References
Reference (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.
Reference (Deposit): BEVER, J.E. 1953 NOTES ON SOME MINERAL OCCURRENCES IN THE GUFFEY REGION, COLORADO: AMERICAN MINERALOGIST V. 38 P. 138-141.
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
