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

Name: Old Leyden Coal Mine

State:  Colorado

County:  Jefferson

Elevation: 6,004 Feet (1,830 Meters)

Commodity:

Lat, Long: 39.8469, -105.23250

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 Old Leyden Coal Mine

Old Leyden Coal Mine MRDS details

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

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.