Old Leyden Coal Mine

The Old Leyden Coal Mine is a mine located in Jefferson county, Colorado at an elevation of 6,004 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

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Site Name

Primary: Old Leyden Coal Mine

Commodity

Tertiary: Vanadium
Tertiary: Uranium

Location

State: Colorado
County: Jefferson
District: Front Range

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: Moreno Uranium Corp.
Percent: 100.0
Home Office: Colorado
Info Year: 1975

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Mining Method: Unknown
Year First Production: 1950
Discovery Year: 1874
Years of Production:
Organization:
Significant: N

Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Unknown: Autunite
Unknown: Carnotite
Unknown: Tyuyamunite

Comments

Comment (Deposit): U.S.GEOL. SURV. BULL 1159 KEY SOURCE OF INFORMATION FOR THIS. ANOTHER SOURCE IS THE U.S. GEOL. SURVEY OPEN FILE REPORT ON RESULTS OF EXPLORATION AT THE OLD LEYDEN COAL MINE BY GUDE A MCKEOWN 1953. TOTAL PRODUCTION, 1952-1956 WAS 645.4 TONS OF AVERAGING .35% U308. ADDITIONAL INFORMATION FROM DMEA REPORT, DOCKET NO. 2328, DA 1952: URANIUM AT THE MINE IS IN A BRECCIATED AND SILICIFIED SEAM. AT THE TIME OF THE REPORT, INFERRED RESERVES WERE ESTI AT 17600 TONS AVERAGING .23% U308. INCLUDED IN THE DMEA REPO MINE AND LOCATION MAPS. THE DMEA REPORT CONCLUDED EXPLORATIO BE GRANTED.

References

Reference (Deposit): MINE MAP REPO # 401306 OWN MORENO-CRIPPLE CREEK C

Colorado Mining Photos

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