Pennie Poker

The Pennie Poker is a thorium and ree mine located in Custer county, Colorado at an elevation of 7,900 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: Pennie Poker  

State:  Colorado

County:  Custer

Elevation: 7,900 Feet (2,408 Meters)

Commodity: Thorium, REE

Lat, Long: 38.24444, -105.36111

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 Pennie Poker

Pennie Poker MRDS details

Site Name

Primary: Pennie Poker
Secondary: Penny Poker


Commodity

Primary: Thorium
Primary: REE
Secondary: Lead


Location

State: Colorado
County: Custer
District: Wet Mountains Area; Mckinley Mountain 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

Type: Surface/Underground


Ownership

Owner Name: Ernest Sparling
Home Office: Rosita, Co.
Years: 1975 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Surface-Underground
Discovery Year: 1950
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: Thorium-rare-earth veins


Orebody

Form: TABULAR


Structure

Type: R
Description: Wet Mountains

Type: L
Description: Ne-Trending Fault; Nw-Trending Fault/Vein With 8-12 Inch Gouge On Footwall


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

Analytical Data: .064 TO .084% EQUIV. U, .001% U, .35 TO .46% EQUIV. TH02, .26% TH02, .09% RAE


Materials

Ore: Galena
Ore: Thorite
Gangue: Siderite
Gangue: Limonite
Gangue: Quartz
Gangue: Barite
Gangue: Hematite


Comments

Comment (Geology): ON SAME MINERALIZED FAULT AS DARBY EXTENSION

Comment (Location): ABOVE TRIBUTARY TO DEAD MULE GULCH, NEAR CREST OF HILL ; INFO FROM LAND.ST :(1976)

Comment (Workings): 25-FOOT SHAFT ON NW END OF VEIN AND TUNNEL ON SE END OF VEIN (REPORTED TO BE 180 FT), 2 PROSPECT CUTS, PROSPECT SHAFT


References

Reference (Deposit): BROCK, M.R. AND SINGEWALD, Q.D., 1968, GEOLOGIC MAP OF THE MOUNT TYNDALL QUADRANGLE, CUSTER COUNTY, COLORADO: USGS MAP GQ-596, 1: 24,000.

Reference (Deposit): NELSON-MOORE, J.L., COLLINS, D.B. AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: COLORADO GEOLOGICAL SURVEY BULLETIN 40, P. 123

Reference (Deposit): CHRISTMAN, R.A., BROCK, M.R., PEARSON, R.C., AND SINGEWALD, Q.O., 1959, GEOLOGY AND THORIUM DEPOSITS OF THE WET MOUNTAINS, COLORADO, A PROGRESS REPORT: USGS BULLETIN 1072-H, P. 522, 524

Reference (Deposit): CHRISTMAN, R.A., HEYMAN, A.M., DELLWIG, L.F. AND GOTT, G.B., 1953, THORIUM INVESTIGATION 1950-52 WET MOUNTAINS, COLORADO: USGS CIRCULAR 290, P.23, 26.


Colorado Mining Photos

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