Description
Four Corners Uranium Corp.
Commodities
PrimaryUranium
SecondaryVanadium
Commodity typeM
Deposit
Deposit sizeL
WorkingsUnderground
Orebody formPINCH AND SWELL OR LENTICULAR
Ore controlPlant Remains, Paleochannels
Materials
Ore mineralsCoffinite, Montroseite, Tyuyamunite, Uraninite
GangueCalcite, Limonite, Pyrite
Geology
Host rockSandstone,Conglomerate · Salt Wash Member of Morrison Formation
StructureSan Rafael Swell, Uinta Basin, Paradox Fold - And Fault Belt, Periodic Folds In Sub - Morrison Sediments Saleratus Graben
Tectonic settingStable Platform
AlterationBleaching In Mudstone And Sandstone
Economic & production
Development statusProducer
First production1955
Discovery year1954
Identification
Deposit ID10107307
MRDS IDW014803
RegionNA
Data scoreB
Coordinates38.97691, -110.37045
References
TRIMBLE, L. M. AND H. H. DOELLING, 1976, GEOLOGY AND URANIUM ORE DEPOSITS OF THE SAN RAFAEL RIVER MINING AREA: UTAH GEOL. AND MIN. SUR. BULLETIN (UNPUBLISHED)YOUNG, R. G. AND OTHERS, 1957, GEOLOGY OF THE SAN RAFAEL RIVER DESERT MINING DISTRICT, EMERY AND GRAND CO., UTAH: USAEC RME - 98CRAIG, L. C., AND D. D. DICKEY, 1956, JURASSIC STRATA OF SOUTHEASTERN UTAH AND SOUTHWESTERN COLO.: IAPG GUIDEBOOK, 7TH ANN. FIELD CONF. PP. (93 - 104)STOKES, W. L., 1952, LOWER CRETACEOUS IN COLORADO PLATEAU: AAPG BULLETIN, VOL. 36 PP. 1766 - 17761956 RECON IAPG - PAPER - 7TH ANN FIELD CONF.1957 OTHER USAEC - UNPUBLISHED REPORT RME - 98JENSEN, H. N. 1953 RECONNAISSANCE OF THE SAN RAFAEL RIVER MINING AREA, EMERY CO., UTAH: USAEC RME - 98; MILLION, I, 1957, RECONNAISSANCE OF AND INVESTIGATIONAL DRILLING FOR URANIUM DEPOSITS IN THE SAN RAFAEL RIVER DESERT, UTAH: USAEC RME - 102.1976 OTHER UGMS - BULLETIN (UNPUBLISHED)UGMS STUDY - 1973