Billiken and Black Knight Lodes

The Billiken and Black Knight Lodes is a uranium and copper mine located in Jefferson county, Colorado at an elevation of 8,301 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

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Site Name

Primary: Billiken and Black Knight Lodes

Commodity

Primary: Uranium
Primary: Copper

Location

State: Colorado
County: Jefferson
District: Critchell 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

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1900
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, Pikes Peak Batholith

Type: L
Description: Kennedy Gulch Fault Zone, Billiken Fault, Black Knight Fault

Alterations

Not available

Rocks

Name: Diabase
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic

Name: Diabase
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Diabase
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic

Analytical Data

Analytical Data: RANGE FROM 0.04 MR/HR TO OFF RECORDER SCALE
Analytical Data: BACKGROUND RADIATION 0.04 MR/HR

Materials

Ore: Pyrite
Ore: Chalcopyrite
Ore: Pitchblende
Ore: Tenorite
Ore: Cuprite
Ore: Bornite
Ore: Uranophane
Ore: Torbernite
Gangue: Garnet
Gangue: Magnetite

Comments

Comment (Commodity): DEPOSIT MAY HAVE CONTAINED AU AND AG, BUT THIS IS UNCONFIRMED

Comment (Deposit): LAYERED GNEISS AND AMPHIBOLITE SEQUENCE TRENDS ABOUT N 70 W, 50 TO 60 NE; BIOTITE GNEISS ENCLOSES 5- TO 60-FT-WIDE LAYER OF MAGNETITE-RICH GARNET GNEISS. BLACK KNIGHT FAULT PARALLELS KENNEDY GULCH FAULT ZONE OR BRECCIA REEF AND IS MARKED BY THIN SUBPARALLEL FRACTURES AND 3- TO 5-FT-THICK BRECCIA ZONE WITH U, CU, AND CARBONATE MINERALS; SECONDARY U MINERALS ON OUTCROP. BILLIKEN FAULT STRIKES NNE, DIPS 50 TO 70 SE AND PRESUMABLY INTERSECTS BLACK KNIGHT FAULT. COLLOFORM PITCHBLENDE FILLS THIN FRACTURES AND WAS BRECCIATED BEFORE DEPOSITION OF CU SULFIDES. PRIMARY U APPEARS CONFINED TO INTERSECTIONS OF BLACK KNIGHT FAULT WITH MAGNETITE-RICH GARNET GNEISS LAYER.

Comment (Deposit): DUPLICATE D002229 DELETED ; INFO.SRC : 1 PUB LIT

Comment (Development): ORIGINALLY PROSPECTED FOR CU, AU, AND AG. U DISCOVERED IN 1955; DMEA EXPLORATION IN 1957-58, BUT NO COMMERCIAL ORE WAS FOUND.

Comment (Location): NE OF KENNEDY GULCH. ELEV AND LAT-LONG GIVEN ARE FOR APPROX CENTER SW SEC. 03 ; INFO FROM LAND.ST :(1975)

Comment (Workings): PROSPECT PITS, 1646 FT OF CORE DRILLING

References

Reference (Deposit): NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 190-191.

Reference (Deposit): PETERSON, W.L., 1964, GEOLOGY OF THE PLATTE CANYON QUADRANGLE, COLORADO: USGS BULL. 1181-C, 23 P., 1 PL.

Reference (Deposit): MOORE, F.B., 1964, BLACK KNIGHT AND BILLIKEN LODES, IN SIMS, P.K., AND SHERIDAN, D.M., GEOLOGY OF URANIUM DEPOSITS IN THE FRONT RANGE, COLORADO: USGS BULL. 1159, P. 101.

Colorado Mining Photos

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