Unnamed Pegmatite

The Unnamed Pegmatite is a beryllium mine located in Fremont county, Colorado at an elevation of 8,320 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

Name: Unnamed Pegmatite  

State:  Colorado

County:  Fremont

Elevation: 8,320 Feet (2,536 Meters)

Commodity: Beryllium

Lat, Long: 38.48111, -105.61944

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.


Satelite image of the Unnamed Pegmatite

Unnamed Pegmatite MRDS details

Site Name

Primary: Unnamed Pegmatite


Commodity

Primary: Beryllium
Secondary: Lithium


Location

State: Colorado
County: Fremont
District: Bull Ridge Area/Devils Hole Area


Land Status

Land ownership: BLM Administrative Area
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

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Surface
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: Be-Li pegmatites


Orebody

Not available


Structure

Type: R
Description: Northern Wet Mountains

Type: L
Description: Texas Creek Fault


Alterations

Not available


Rocks

Name: Gneiss
Role: Host
Age Type: Host Rock
Age Young: Paleoproterozoic

Name: Gneiss
Role: Host
Age Type: Host Rock Unit
Age Young: Paleoproterozoic


Analytical Data

Not available


Materials

Ore: Lepidolite
Ore: Beryl


Comments

Comment (Location): NORTH OF BULL GULCH AND BULL RIDGE, WEST OF DEVILS HOLE ; INFO FROM LAND.ST :(1976)


References

Reference (Deposit): VERBAL COMMUNICATION - RICHARD B. TAYLOR

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.


Colorado Mining Photos

Placer mines at Cripple Creek, Colorado ca. 1892

Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.