Entrada Deposits

The Entrada Deposits is a selenium, vanadium, and chromium mine located in Dolores 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

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.

Site Name

Primary: Entrada Deposits
Secondary: Includes Rifle Creek
Secondary: Placerville
Secondary: Rico
Secondary: Lightner Creek Districts

Commodity

Primary: Selenium
Primary: Vanadium
Primary: Chromium

Location

State: Colorado
County: Dolores
District: LIGHTNER CREEK DISTRICT

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Owner Name: VANADIUM CORP. OF AMERICA

Owner Name: UNION CARBIDE CORP.

Production

Not available

Deposit

Record Type: District
Operation Category: Past Producer
Deposit Type: SYNGENETIC SEDIMENT-HOSTED (NON-CARBONIFEROUS) PENECONCORDANT TABULAR SANDSTONEVARIOUS
Operation Type: Unknown
Year First Production: 1909
Year Last Production: 1960
Discovery Year: 1900
Years of Production:
Organization:
Significant:

Physiography

Not available

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Type: R
Description: ERG (?)

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Not available

Comments

Not available

References

Reference (Deposit): WRITTEN COMMUNICATION: SMITH, L., ENERGY INFORMATION ADMINISTRATION, U.S. DEPT. OF ENERGY, TO GRANGER, H.C., U.S. GEOLOGICAL SURVEY; OCT. 16, 1985: COMPUTER SUMMARY OF PRODUCTION AND RESOURCES, COLORADO PLATEAU V-U DEPSOITS, ORGANIZED BY HOST ROCK.

Reference (Deposit): WRITTEN COMMUNICATION: CLARK, R.G., ENERGY INFORMATION 1984: INCUDES COMPUTER SUMMARY OF PRODUCTION AND RESOURCES, COLORADO PLATEAU V-U DEPOSITS ORGANIZED BY AREA, PREPARED BY SMITH, L., DEPT. OF ENERGY.

Reference (Deposit): FISCHER, R.P., 1942. VANADIUM DEPOSITS OF COLORADO AND UTAH, USGS BULL. 936-P, P.363-394.

Reference (Deposit): FISCHER, R.P., 1955. REGIONAL RELATIONS NEAR PLACERVILLE, SAN MIGUEL COUNTY, COLORADO: COLORADO SCI. SOC. PROC., V. 15, NO 3, P. 115-134.

Reference (Deposit): FISCHER, R.P., 1955. REGIONAL RELATIONS OF THE VANADIUM-URANIUM-CHROMIUM DEPOSITS IN THE ENTRADA SANDSTONE, WESTERN COLORADO: U.S. GEOLOGICAL SURVEY TRACE ELEMENTS MEMORANDUM REPORT 916, 20 P.

Reference (Deposit): COLORADO METAL MINING FUND BOARD, 1961. COLORADO VANADIUM: A COMPOSITE STUDY; DENVER, CO., COLORADO MET. MIN. FUND BD., 155 P.

Reference (Deposit): WEBBER, B.N., 1947. GEOLOGY AND ORE RESERVES OF THE URANIUM-VANADIUM DEPOSITIONAL PROVINCE OF THE COLORADO PLATEAU REGION: UNION MINES DEVEL. CORP., REP'T. RMO-437, 279 P. (OPEN-FILED BY THE U.S. ATOMIC ENERGY COMM., 1960).

Colorado Mining Photos

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