Jomac Mine

Past Producer in San Juan county in Utah, United States with commodities Uranium, Copper
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10078840
MRDS ID W027502
Record type Site
Current site name Jomac Mine
Related records 10301264

Geographic coordinates

Geographic coordinates: -110.321, 37.86249 (WGS84)
Elevation 1585
Relative position 6.7 MILES NORTH OF "BLUE NOTCH"

Site location context

Political divisions (FIPS codes)

San Juan(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Copper Point(quadrangle 1:24,000 scale)

Hite Crossing(quadrangle 1:100,000 scale)

Escalante(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Lake Powell(hydrologic unit)

Upper Colorado-Dirty Devil(hydrologic accounting unit)

Upper Colorado-Dirty Devil(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

Glen Canyon National Recreation Area(National Recreation Area)

National Recreation Area NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State County
United States Utah San Juan

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 033S 015E 31 Utah

Comments on the location information

  • LOCATED IN UNSURVEYED SECTION 31

Commodities

Commodity Importance
Uranium Primary
Copper Tertiary

Materials information

Materials Type of material
Chalcanthite Ore
Chalcopyrite Ore
Malachite Ore
Torbernite Ore
Gypsum Gangue
Hematite Gangue
Jarosite Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Chinle Formation, Shinarump Member
    Rock description Chinle Formation, Shinarump Member
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate

Nearby scientific data

(1) -110.321, 37.86249

Economic information

Ore body information

  • General form LENS
    Strike N 25 DEG W
    Dip 2 DEG SW
    Thickness 1.52M
    Length 60.96M
    Width 30.48M
    Depth to top 4.57M
    Depth to bottom 18.29M

Controls for ore emplacement

  • Channel Fill, Carbonized Plant Remains, Jarosite

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1950
Discoverer J. B. Plosser, A. N. Mcleod
Year of first production 1951

Mining district

District name White Canyon Area

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner-Operator
    Owner Century 21 Mining Inc.

Workings at the site

  • Type of workings Underground
    Length 409.65M
    Overall depth 18.29M

Comments on the workings information

  • 3 ADITS TWO ARE CONNECTED

Reference information

Bibliographic references

  • 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

  • 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

  • Deposit

    1952 COMPILE GRUNNER, J. W. AND GARDINER, L., USAEC RMO 566

  • Deposit

    1953 COMPILE TRITES, A. F., TEI 390 , P. 23 - 24

  • Deposit

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

  • Deposit

    1958 COMPILE TRITES, A. J., AND HADD, G. A., BULL. 1046 - H

  • Production

    UGMS INVESTIGATION 1973

  • Reserve-Resource

    TRIMBLE, L. M., 1977

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1977 Trimble, Larry M. Bureau of Land Management

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references