Grover Test Site

The Grover Test Site is a uranium mine located in Weld county, Colorado at an elevation of 5,049 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: Grover Test Site  

State:  Colorado

County:  Weld

Elevation: 5,049 Feet (1,539 Meters)

Commodity: Uranium

Lat, Long: 40.82222, -104.26667

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 Grover Test Site

Grover Test Site MRDS details

Site Name

Primary: Grover Test Site
Secondary: Grover Deposit


Commodity

Primary: Uranium


Location

State: Colorado
County: Weld
District: Grover/Keota 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

Owner Name: Wyoming Mineral Corp.
Home Office: 1709 Heath Parkway, Fort Collins, Co. 80521


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1977
Year Last Production: 1978
Discovery Year: 1970
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Interior Plains
Physiographic Province: Great Plains Province
Physiographic Section: Colorado Piedmont


Mineral Deposit Model

Not available


Orebody

Form: ROLL FRONT


Structure

Type: R
Description: Cheyenne Basin


Alterations

Alteration Type: L
Alteration Text: Alteration Is Present But Not Detectable In The Field By The Usual Color Changes


Rocks

Name: Sandstone
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous


Analytical Data

Analytical Data: AVG GRADE 0.14% EU308


Materials

Gangue: Pyrite


Comments

Comment (Deposit): HOST ROCK 0 TO 100 FT THICK; IT IS GENERALLY A "WYOMING-TYPE" SOLUTION FRONT URANIUM DEPOSIT IN A FLUVIAL CHANNEL SANDSTONE; SINVOUS, ELONGATE WITH NARROW LATERAL WIDTH

Comment (Workings): TEST MINED ON A PILOT SCALE USING IN SITU MINING TECHNIQUES. RESTORATION OF THE SANDSTONE AQUIFER BEGAN AS MINING CEASED IN MAY 1978, ANDWAS COMPLETED IN FEBRUARY 1979, THE LIXIVIANTS TESTED WERE AMMONIUM BICARBONATE, CALCIUM BICARBONATE AND SODIUM BICARBONATE, ALL WITH HYDROGEN PEROXIDE OXIDANTS.

Comment (Location): LATITUDE, LONGITUDE GIVEN FOR CENTER, SECTION 24, TION, R62W.

Comment (Reserve-Resource): READE, 1978

Comment (Development): DISCOVERED DURING INITIAL WIDE-SPACED DRILLING PROGRAM. THREE HOLES, ABOUT ONE MILE APART, ENCOUNTERED MINERALIZATION, AS DID OFFSET HOLES.


References

Reference (Deposit): KIRKHAM, R.M., O'LEARY, W. AND WARNER, J.W., 1980, HYDROGEOLOGIC AND STRATIGRAPHIC DATA PERTINENT TO URANIUM MINING, CHEYENNE BASIN, COLORARDO: CGS INFORMATION SERIES 12, 31 P.

Reference (Deposit): READE, H.L., 1978, URANIUM DEPOSITS: NORTHERN DENVER-JULESBURG BASIN, COLORADO, IN PRUIT, J.D. AND COFFIN, P.E., EDS., ENERGY RESOURCES OF THE DENVER BASIN: ROCKY MTN. ASSOC. GEOLOGISTS GUIDEBOOK, P. 161-171.


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.