The Colorado Feldspar Pegmatite is a feldspar mine located in Fremont county, Colorado at an elevation of 7,500 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: 7,500 Feet (2,286 Meters)
Commodity: Feldspar
Lat, Long: 38.42639, -105.66528
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.
Colorado Feldspar Pegmatite MRDS details
Site Name
Primary: Colorado Feldspar Pegmatite
Commodity
Primary: Feldspar
Secondary: REE
Location
State: Colorado
County: Fremont
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: Colorado Feldspar Co.
Home Office: Canon City, Co.
Years: 1948 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Surface
Year First Production: 1939
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
Model Name: Pegmatites
Orebody
Not available
Structure
Type: R
Description: Northern Wet Mountains, Thirtynine Mile Volcanic Field
Type: L
Description: Cotopaxi Fault, Texas Creek Fault
Alterations
Not available
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Monazite
Ore: Microcline
Ore: Fluorite
Ore: Euxenite
Gangue: Magnetite
Gangue: Calcite
Gangue: Sericite
Gangue: Quartz
Gangue: Plagioclase
Gangue: Biotite
Gangue: Hematite
Comments
Comment (Location): EAST OF ARKANSAS MOUNTAIN AND BERNARD CREEK, NEAR COTOPAXI PROSPECT ; INFO FROM LAND.ST :(1976)
Comment (Deposit): POORLY DEVELOPED ZONING WITH MICROCLINE-QUARTZ CORE
Comment (Workings): OPEN CUT 60 X 40 X 8 FT DEEP
References
Reference (Deposit): HEINRICH, E. W., 1948, FLUORITE-RARE EARTH MINERAL PEGMATITES OF CHAFFEE AND FREMONT COUNTIES, COLORADO: AMERICAN MINERALOGIST, V. 33, NOS. 1-2, P. 71-72
Reference (Deposit): TAYLOR, R. B., SCOTT, G. R., WOBUS, R. A., EPIS, R. C., 1975, RECONNAISSANCE GEOLOGIC MAP OF THE COTOPAXI 15-MINUTE QUADRANGLE, FREMONT AND CUSTER COUNTIES, COLORADO: USGS MAP I-900, 1:62,500
Reference (Production): HEINRICH, E. W., 1948
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
