Cooley Gravel Co. Pits

The Cooley Gravel Co. Pits is a sand and gravel, construction mine located in Adams county, Colorado at an elevation of 5,220 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

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Site Name

Primary: Cooley Gravel Co. Pits

Commodity

Primary: Sand and Gravel, Construction
Secondary: Gold

Location

State: Colorado
County: Adams
District: Denver Area

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Owner Name: Cooley Gravel Co.
Years: 1964 -

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1951
Year Last Production: 1964
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: L

Physiography

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

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Type: R
Description: Denver Basin, Front Range Uplift

Type: L
Description: Denver Basin

Alterations

Not available

Rocks

Name: Gravel
Role: Host
Age Type: Host Rock
Age Young: Pleistocene

Name: Gravel
Role: Host
Age Type: Host Rock Unit
Age Young: Pleistocene

Analytical Data

Not available

Materials

Ore: Sand and Gravel
Ore: Gold

Comments

Comment (Location): NORTH OF CLEAR CREEK BETWEEN FEDERAL AND LOWELL BLVDS.

Comment (Development): GOLD RECOVERY AMOUNTED TO 6 TO 7 CENTS PER TON (AT $35/OZ AU)

Comment (Workings): DREDGE-OPERATED PITS

References

Reference (Deposit): JAMES B. COOLEY, PERS. COMM. 8/82

Reference (Deposit): LENHART, W.B., 1953, DREDGING FOR GRAVEL AND GOLD-COOLEY GRAVEL CO.: ROCK PRODUCTS, V. 56, P. 94-98.

Reference (Deposit): LINDVALL, R.M., 1979, GEOLOGIC MAP OF THE ARVADA QUADRANGLE, ADAMS, DENVER, AND JEFFERSON COUNTIES, COLORADO: USGS MAP GQ-1453

Reference (Deposit): PARKER, B.H., JR., 1974, GOLD PLACERS OF COLORADO: COLORADO SCHOOL OF MINES QUART., V. 69, NO. 3, P. 63-126

Colorado Mining Photos

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