Colorado · Dolores, Garfield, San Miguel, La Plata County
Past Producer

Entrada Deposits

Dolores, Garfield, San Miguel, La Plata County, Colorado, United States
SeleniumVanadiumChromium
⌖ Show on mapUSGS source ↗
Commodities
PrimarySelenium, Vanadium, Chromium
Commodity typeM
Deposit
Deposit typeSYNGENETIC SEDIMENT-HOSTED (NON-CARBONIFEROUS) PENECONCORDANT TABULAR SANDSTONEVARIOUS
Deposit sizeN
Geology
StructureERG (?)
Economic & production
Development statusPast Producer
First production1909
Last production1960
Discovery year1900
Identification
Deposit ID60000875
MRDS IDISM0772
Alternate namesIncludes Rifle Creek, Placerville, Rico, Lightner Creek Districts
RegionNA
Data scoreD
Coordinates39.66668, -107.68396
References
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.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.FISCHER, R.P., 1942. VANADIUM DEPOSITS OF COLORADO AND UTAH, USGS BULL. 936-P, P.363-394.FISCHER, R.P., 1955. REGIONAL RELATIONS NEAR PLACERVILLE, SAN MIGUEL COUNTY, COLORADO: COLORADO SCI. SOC. PROC., V. 15, NO 3, P. 115-134.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.COLORADO METAL MINING FUND BOARD, 1961. COLORADO VANADIUM: A COMPOSITE STUDY; DENVER, CO., COLORADO MET. MIN. FUND BD., 155 P.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).