Jomac Mine

The Jomac Mine is a uranium mine located in San Juan county, Utah at an elevation of 5,200 feet.

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

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MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Site Name

Primary: Jomac Mine

Commodity

Primary: Uranium
Tertiary: Copper

Location

State: Utah
County: San Juan
District: White Canyon Area

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.

Holdings

Not available

Workings

Type: Underground

Ownership

Owner Name: Century 21 Mining Inc.

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Year First Production: 1951
Discovery Year: 1950
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: M

Physiography

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

Mineral Deposit Model

Not available

Orebody

Form: LENS

Structure

Not available

Alterations

Not available

Rocks

Name: Siltstone
Role: Host
Age Type: Host Rock
Age Young: Late Triassic

Name: Siltstone
Role: Host
Age Type: Host Rock Unit
Age Young: Late Triassic

Analytical Data

Not available

Materials

Ore: Chalcopyrite
Ore: Torbernite
Ore: Malachite
Ore: Chalcanthite
Gangue: Hematite
Gangue: Jarosite
Gangue: Gypsum

Comments

Comment (Workings): 3 ADITS TWO ARE CONNECTED

Comment (Location): LOCATED IN UNSURVEYED SECTION 31

References

Reference (Deposit): THADEN, R. E., TRITES, A. F. AND FINNELL, T. L., 1964 , GEOLOGY AND ORE DEPOSITS OF THE WHITE CANYON AREA, SAN JUAN AND GARFIELD CO'S., UTAH, USGS BULL. 1125

Reference (Deposit): TRITES, A. F. AND HADD, G. A., 1958 , GEOLOGY OF THE JOMAC MINE, WHITE CANYON AREA, SAN JUAN CO., UTAH, USGS BULL. 1046 - H

Reference (Deposit): 1952 COMPILE GRUNNER, J. W. AND GARDINER, L., USAEC RMO 566

Reference (Deposit): 1953 COMPILE TRITES, A. F., TEI 390 , P. 23 - 24

Reference (Deposit): 1955 COMPILE TRITES, A. F., FINNEL, T. L., AND THADEN, R., PROFESSIONAL PAPER 300 P. 281 - 284

Reference (Deposit): 1958 COMPILE TRITES, A. J., AND HADD, G. A., BULL. 1046 - H

Reference (Production): UGMS INVESTIGATION 1973

Reference (Reserve-Resource): TRIMBLE, L. M., 1977

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