Gem Dandy Prospect

The Gem Dandy Prospect is a uranium mine located in Park county, Colorado at an elevation of 10,200 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: Gem Dandy Prospect
Secondary: Jim Dandy Prospect

Commodity

Primary: Uranium
Secondary: Vanadium

Location

State: Colorado
County: Park
District: Kenosha Pass Area

Land Status

Land ownership: National Forest
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

Year: 1971
Time Period: 1950'S-1971
Description: Cp_Grade: ^0.21% U308, 0.01% V205

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1950
Year Last Production: 1971
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: Park Range, Kenosha Mountains, South Park

Type: L
Description: Elkhorn Thrust, Fault Nw-Trending Faults

Alterations

Not available

Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic

Analytical Data

Analytical Data: TO 0.17% U308

Materials

Ore: Torbernite

Comments

Comment (Location): NW OF KENOSHA PASS NORTH OF DAKE LAKE ; INFO FROM LAND.ST :(1976)

References

Reference (Deposit): GALLAGHER, G.L., 1976, URANIUM FAVORABILITY OF PRECAMBRIAN ROCKS IN THE BADGER FLATS-ELKHORN THRUST AREA, PARK AND TELLER COUNTIES, COLORADO: US ERDA REPORT GJBX-55 (76), 30 P.

Reference (Deposit): BRYANT, BRUCE AND WOBUS, R.A., 1975, PRELIMINARY GEOLOGIC MAP OF THE SW QUARTER OF THE DENVER 1 DEG X 2 DEG QUADRANGLE, COLORADO: USGS OPEN-FILE MAP 75-340, 1:250,000

Reference (Deposit): NELSON-MOORE, J.L., COLLINS, D.B. AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULLETIN 40, P. 366

Reference (Production): NELSON-MOORE, J.L. (1978)

Colorado Mining Photos

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