Unknown

The Unknown is a feldspar, mica, and beryllium mine located in Park county, Colorado at an elevation of 8,996 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: Unknown

State:  Colorado

County:  Park

Elevation: 8,996 Feet (2,742 Meters)

Commodity: Feldspar, Mica, Beryllium

Lat, Long: 38.7375, -105.56028

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 Unknown

Unknown MRDS details

Site Name

Primary: Unknown


Commodity

Primary: Feldspar
Primary: Mica
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

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
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: Thirtynine Mile Volcanic Field

Type: L
Description: Currant Creek Fault Zone And Related Nw-Trending Faults And Fractures


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

Ore: Beryl
Ore: Microcline
Ore: Muscovite


Comments

Comment (Location): ON NORTH SIDE OF THIRTYONE MILE CREEK


References

Reference (Deposit): USGS BLACK MOUNTAIN QUADRANGLE

Reference (Deposit): EPIS, R.C., WOBUS, R.A. AND SCOTT, G.R., 1979, GEOLOGIC MAP OF THE BLACK MOUNTAIN QUADRANGLE, FREMONT AND PARK COUNTIES, COLORADO: USGS MAP I-1195, 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.