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
Elevation:
Commodity: Selenium, Vanadium, Chromium
Lat, Long: 39.6667, -107.68330
Map: View on Google Maps
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Entrada Deposits MRDS details
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).
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