Blue Jay

The Blue Jay is a uranium and fluorine-fluorite mine located in Boulder county, Colorado.

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: Blue Jay  

State:  Colorado

County:  Boulder

Elevation:

Commodity: Uranium, Fluorine-Fluorite

Lat, Long: 40.1078, -105.38230

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 Blue Jay

Blue Jay MRDS details

Site Name

Primary: Blue Jay


Commodity

Primary: Uranium
Primary: Fluorine-Fluorite


Location

State: Colorado
County: Boulder
District: Jamestown


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Deposit Type: Vein
Operation Type: Unknown
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

Name: Diorite
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous


Analytical Data

Not available


Materials

Not available


Comments

Comment (Production): 2 LEVELS. OUTPUT OF URAN. HAS BEEN NEGLIGIBLE (0.037 TO 0.045 PERCENT U)

Comment (Geology): GEOL.DESC: URANIUM MINERALS: URANINITE, URANOTHORITE. ASSOC. MINERALS: FLUORITE (STRONGLY BRECCIATED, DEEP VIOLET, COARSELY CRYSTALLINE), QTZ, PYRITE, GALENA, CLAY MINERALS


References

Reference (Deposit): SIMS & SHERIDAN, 1964, USGS BULL. 1159

Reference (Deposit): LOVERING & GODDARD, 1950, USGS PP 223, PG 277.

Reference (Deposit): GODDARD, COLO. SCI. SOC. PROC., V. 15, NO. 1, PG 33-34

Reference (Deposit): ARGALL, 1949, COLO. SCH. MINES QUART., V. 44, NO. 2, PG 182.


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.