Mine detail: Entrada Deposits

Previously called 'RicoPlacervilleIncludes Rifle CreekLightner Creek Districts'

Location:	Garfield, Dolores, San Miguel, La Plata County, Colorado, United States, North America
Lat / long:	39.66668, -107.68396
dep_id:	60000875
mrds_id:	ISM0772
Commodity type:	metallic
Major mineral:	Selenium, Vanadium, Chromium
Operation type:	Unknown
Deposit type:	SYNGENETIC SEDIMENT-HOSTED (NON-CARBONIFEROUS) PENECONCORDANT TABULAR SANDSTONEVARIOUS
Production size:	No production occurred
Development status:	Past Producer
Structure:	ERG (?)
yfp_ba:	>
Year first produced:	1909
ylp_ba:	>
yr_lst_prd:	1960
dy_ba:	>
disc_yr:	1900
References:	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. 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. Deposit:: FISCHER, R.P., 1942. VANADIUM DEPOSITS OF COLORADO AND UTAH, USGS BULL. 936-P, P.363-394. Deposit:: FISCHER, R.P., 1955. REGIONAL RELATIONS NEAR PLACERVILLE, SAN MIGUEL COUNTY, COLORADO: COLORADO SCI. SOC. PROC., V. 15, NO 3, P. 115-134. 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. Deposit:: COLORADO METAL MINING FUND BOARD, 1961. COLORADO VANADIUM: A COMPOSITE STUDY; DENVER, CO., COLORADO MET. MIN. FUND BD., 155 P. Deposit:: WEBBER, B.N., 1947. GEOLOGY AND ORE RESERVES OF THE URANIUM-VANADIUM DEPOSITIONAL PROVINCE OF THE COLORADO PLATEAU REGION: UNION MINES DEVEL. CORP., RE*. RMO-437, 279 P. (OPEN-FILED BY THE U.S. ATOMIC ENERGY COMM., 1960).