Adams North Pit

The Adams North Pit is a sand and gravel, construction mine located in Adams county, Colorado at an elevation of 5,098 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: Adams North Pit

Commodity

Primary: Sand and Gravel, Construction
Secondary: Gold
Secondary: Silver

Location

State: Colorado
County: Adams
District: Denver 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: Mobile Premix Sand And Gravel Co.

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1956
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N

Physiography

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

Mineral Deposit Model

Not available

Orebody

Form: TABULAR

Form: TABULAR

Structure

Type: R
Description: Denver Basin, Front Range Uplift

Type: L
Description: Denver Basin

Alterations

Not available

Rocks

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

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

Analytical Data

Analytical Data: PARKER'S REFERENCE TO TYPICAL SHIPMENT FROM A GRAVEL PIT NEAR WELBY ROAD (NEAR MOUTH OF CLEAR CREEK) COULD BE THIS PIT OR NEARBY PIT. SHIPMENT CONTAINED 872 FINE AU, 125.5 FINE AG, AND 2.5 FINE UNSPECIFIED BASE METALS.

Materials

Ore: Sand and Gravel
Ore: Gold

Comments

Comment (Location): NEAR CONFLUENCE OF CLEAR CREEK AND SOUTH PLATTE RIVER ; INFO FROM LAND.ST :(1974)

Comment (Commodity): PLACER GOLD WAS RECOVERED AS BY-PRODUCT OF WASHING/SCREENING OF SAND AND GRAVEL FOR CONSTRUCTION AGGREGATES

References

Reference (Deposit): LINDVALL, R.M., 1979, PRELIMINARY GEOLOGIC MAP OF THE COMMERCE CITY QUADRANGLE, ADAMS AND DEVER COUNTIES, COLORADO: USGS MAP MF-1067

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

Reference (Deposit): FRED KRICHBAUM, PERS. COMM., 1975

Colorado Mining Photos

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