The Cojade Mine is a beryllium mine located in Larimer county, Colorado at an elevation of 6,841 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
Elevation: 6,841 Feet (2,085 Meters)
Commodity: Beryllium
Lat, Long: 40.355, -105.29194
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.
Cojade Mine MRDS details
Site Name
Primary: Cojade Mine
Commodity
Primary: Beryllium
Tertiary: Lithium
Tertiary: Niobium (Columbium)
Tertiary: Tantalum
Location
State: Colorado
County: Larimer
District: Rattlesnake Park Area
Land Status
Land ownership: State
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
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: R
Description: Front Range Uplift
Type: L
Description: Ne-Trending Fault
Alterations
Not available
Rocks
Name: Tonalite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Tonalite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Amblygonite
Ore: Beryl
Comments
Comment (Deposit): CONCORDANT PEGMATITE IN GRANITIC GNEISS
Comment (Workings): 2 SMALL OPEN CUTS AND 2 BULLDOZED AREAS
Comment (Location): ON WEST SIDE OF RATTLESNAKE PARK 0.5 MILE SW OF PINEWOOD LAKE. ELEV AND LAT-LONG GIVEN ARE FOR CENTER SE. ; INFO FROM LAND.ST :(1977)
References
Reference (Deposit): THURSTON, W.R., 1955, PEGMATITES OF THE CRYSTAL MOUNTAIN DISTRICT, LARIMER COUNTY, COLORADO: USGS BULL. 1011, 185 P., 13 PLS.
Reference (Deposit): MEEVES, H.C., AND OTHERS, 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITE DEPOSITS IN SIX WESTERN STATES: USBM IC-8298, P. 30.
Reference (Deposit): COLTON, R.B., 1978, GEOLOGIC MAP OF THE BOULDER-FORT COLLINS-GREELEY AREA, COLORADO: USGS MAP I-855-G.
Reference (Production): DMEA RECORDS AND CONSERV. DIV. COMP. DATA (FROM ORIGINAL CRIB RECORD)
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
