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Cometoite #1 Mine

Past Producer in Emery county in Utah, United States with commodities Uranium, Vanadium
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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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Production statistics
  19. Reserves and resources
  20. Workings at the site
  21. Links to other databases
  22. Bibliographic references
  23. General comments
  24. Reporter information

Geologic information

Identification information

Deposit ID 10071399
MRDS ID W014769
Record type Site
Current site name Cometoite #1 Mine

Geographic coordinates

Geographic coordinates: -110.34045, 38.85191 (WGS84)
Elevation 1305
Relative position 13.75 MILES SOUTH 44 DEG. WEST OF GREEN RIVER, UTAH

Site location context

Political divisions (FIPS codes)

Emery(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Horse Bench West(quadrangle 1:24,000 scale)

San Rafael Desert(quadrangle 1:100,000 scale)

Salina(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Rafael(hydrologic unit)

Lower Green(hydrologic accounting unit)

Lower Green(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States Utah Emery

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 022S 014E 35 Utah

Comments on the location information

  • SUBSECTION: NE 1/4 SE 1/4 SE 1/4

Commodities

Commodity Importance
Uranium Primary
Vanadium Critical Secondary

Materials information

Materials Type of material
Coffinite Ore
Tyuyamunite Ore
Calcite Gangue
Limonite Gangue

Alteration

  • (Local) Bleaching In Mudstone And Sandstone

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Mudstone
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Salt Wash Member of Morrison Formation
    Rock description Salt Wash Member of Morrison Formation

Nearby scientific data

(1) -110.34045, 38.85191
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description San Rafael Swell, Uinta Basin, Paradox Fold - And Fault Belt
Type of structure Local
Structure description Periodic Folds In Sub - Morrison Sediments

Ore body information

  • General form PINCH AND SWELL, POD, LENTICULAR
    Strike N 50 DEG W
    Dip 2 DEG NE
    Plunge 2 DEG
    Plunge direction NE
    Thickness 1.83M
    Length 30.48M
    Width 9.14M
    Depth to top 3.05M
    Depth to bottom 9.14M

Controls for ore emplacement

  • Plant Remains (Mostly Logs), Paleochannels

Comments on the geologic information

  • 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

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1955

Mining district

District name Green River Desert

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Operator
    Owner Acerson, Alfred O.
  • Type Owner
    Owner Acerson, Alfred Or Donald

Production statistics

  • Year 1973
    Period 1955?-1973
    Material U
    Accuracy Estimate
    Description Cp_Grade: ^.15% U3o8
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    U3O8 Uranium Uranium 0wt-pct

Comments on the production information

  • URANIUM PRODUCTION - ITEM G7A IS ESTIMATED FROM A TOTAL PRODUCTION FIGURE FOR 3 RELATED MINES.

Reserves and resources

  • Type In-situ
    Estimate year 1973
    Measured 22000mt ore
    Commodity Subtype Grade units Group Importance Year
    Uranium U3O8 0.2 wt-pct Uranium Major 1973
  • Type In-situ
    Estimate year 1973
    Inferred 226000mt ore
    Commodity Subtype Grade units Group Importance Year
    Uranium U3O8 0.2 wt-pct Uranium Major 1973
  • Type In-situ
    Estimate year 1973
    Measured 68000mt ore
    Commodity Subtype Grade units Group Importance Year
    Vanadium V2O5 0.5 wt-pct Vanadium Minor 1973
  • Type In-situ
    Estimate year 1973
    Commodity Subtype Grade units Group Importance Year
    Vanadium V2O5 0.5 wt-pct Vanadium Minor 1973

Workings at the site

  • Type of workings Underground
    Length 99.06M
    Overall depth 9.14M

Comments on development

  • L60 - ECONOMIC STUDY (1957), L70 - ECONOMIC STUDY (1975 - 76)

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit Discovery Year: 1950'S

Reporter information

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

Beyond USGS

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

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