Sahara

Site Name

Primary: Sahara

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Commodity

Primary: Vanadium
Secondary: Uranium

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Location

State: Utah
County: Emery
District: Green River Desert District

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Land Status

Land ownership: BLM Administrative Area
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.

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Holdings

Not available

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Workings

Type: Underground

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Ownership

Owner Name: Trio Industries

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Production

Year: 1977
Material type: U
Description: Ap_Grade: ^.15 % U3o8
Year: 1976
Material type: U
Description: Ap_Grade: ^.21 % U3o8

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Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Discovery Year: 1960
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: M

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Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Colorado Plateaus
Physiographic Section: Canyon Lands

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Mineral Deposit Model

Not available

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Orebody

Form: PINCH AND SWELL OR LENTICULAR

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Structure

Type: R
Description: San Rafael Swell, Uinta Basin, Paradox Fold - And Fault Belt

Type: L
Description: Periodic Folds In Sub - Morrison Sediments

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Alterations

Alteration Type: L
Alteration Text: Bleaching In Mudstone And Sandstone

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Rocks

Name: Sandstone
Role: Host
Age Type: Host Rock
Age Young: Late Jurassic

Name: Sandstone
Role: Host
Age Type: Host Rock Unit
Age Young: Late Jurassic

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Analytical Data

Analytical Data: 1.066% U3O8 AND .20% V2O5 .504% EU3O8, .165% EU3O8 .028% EU3O8 (SAMPLING DONE 1976)
Analytical Data: .005% U3O8 AND .098% V2O5

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Materials

Ore: Tyuyamunite
Ore: Coffinite
Gangue: Pyrite
Gangue: Calcite
Gangue: Limonite

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Comments

Comment (Location): MORE EXACT MERIDIAN LOCATION SW 1/4 NE 1/4 NW 1/4 SEC. 14 T 22S, R 14E

Comment (Production): ITEM D2A IS PRODUCTION FOR JAN & FEB 1977 ONLY

Comment (Development): L60 - ECONOMIC STUDY (1957), L70 - ECONOMIC STUDY (1975 - 76)

Comment (Deposit): THE DEPOSITS ARE USUALLY ELONGATE ALONG CHANNEL SANDSTONE

Comment (Geology): MINERALIZATION IS LARGELY CONFINED TO PALEOCHANNELS AND IS CLOSELY RELATED TO PLANT REMAINS WHICH HAVE BEEN PARTIALLY OR WHOLLY REPLACED BY URANIUM AND/OR VANADIUM MINERALS

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References

Reference (Deposit): STOKES, W. L., 1952, LOWER CRETACEOUS IN COLORADO PLATEAU: AAPG BULLETIN, VOL. 36 PP. 1766 - 1776

Reference (Deposit): 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)

Reference (Deposit): YOUNG, R. G. AND OTHERS, 1957, GEOLOGY OF THE SAN RAFAEL RIVER DESERT MINING DISTRICT, EMERY AND GRAND CO., UTAH: USAEC RME - 98

Reference (Deposit): CRAIG, L. C., AND D. D. DICKEY, 1956, JURASSIC STRATA OF SOUTHEASTERN UTAH AND SOUTHWESTERN COLO.: IAPG GUIDEBOOK, 7TH ANN. FIELD CONF. PP. (93 - 104)

Reference (Deposit): JENSEN, 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.

Reference (Deposit): 1976 OTHER UGMS - BULLETIN (UNPUBLISHED)

Reference (Production): UGMS STUDY - 1973

Reference (Deposit): 1956 RECON IAPG - PAPER - 7TH ANN FIELD CONF.

Reference (Deposit): 1957 OTHER USAEC - UNPUBLISHED REPORT RME - 98

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