Barbara Claims

The Barbara Claims is a uranium mine located in Fremont county, Colorado at an elevation of 7,799 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: Barbara Claims
Secondary: True Blue No. 1 Claim
Secondary: Oliver No. 1 Claim
Secondary: True Blue Prospect

Commodity

Primary: Uranium

Location

State: Colorado
County: Fremont
District: Tallahassee Creek

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: Past 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

Model Name: Sandstone U

Orebody

Form: TABULAR, PODS

Structure

Type: R
Description: Thirty-Nine Mile Volcanic Field Currant Creek Basin

Type: L
Description: Echo Park Graben, Paleovalleys

Alterations

Alteration Type: L
Alteration Text: Deposit Is Oxidized Except Around The Mineralized Tree

Rocks

Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Oligocene

Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene

Name: Rhyolite
Role: Associated
Age Type: Host Rock Unit
Age Young: Oligocene

Name: Rhyolite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Oligocene

Analytical Data

Analytical Data: GENERALLY ABOUT 0.05% U308 EXCEPT AT TREE WHICH IS G.T. 1.0% U308

Materials

Gangue: Limonite
Gangue: Hematite

Comments

Comment (Geology): DEPOSITS LOCALIZED AND PRESERVED BY SLUGGISH GROUNDWATER MOVEMENT IN AREA. THOSE CONDITIONS STILL PRESENT AS EVIDENCED BY ARTESIAN PRESSURE IN WELLS AND SPRINGS ISSUING FROM ECHO PARK FORMATION AND BY A PRESENT URANIUM CONTENT OF GROUNDWATER IN AREA AS HIGH AS 900 PPB.

Comment (Location): ALL ESSENTIAL INFORMATION HERE MATCHES USBM RECORDS EXCEPT THE LOCATION INFORMATION GIVEN HERE DIFFERS FROM THAT GIVEN BY USBM, WHO LISTS IT AS BEING IN R076W; THE LOCATION GIVEN HERE IS CORRECT ; INFO FROM LAND.ST :1976

Comment (Commodity): MAIN MINERALIZATION IS IN AN OPALIZED TREE APPROXIMATELY 20 FT. LONG

Comment (Reserve-Resource): THERE ARE NO MORE THAN A FEW TONS IN PLACE

Comment (Workings): SEVERAL PITS

References

Reference (Reserve-Resource): NELSON-MOORE AND OTHERS (1978)

Colorado Mining Photos

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