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

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.

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

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