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Shirley Basin Mine

Past Producer in Carbon county in Wyoming, United States with commodity Uranium
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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. Mineral occurrence model information
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Ownership information
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10132282
MRDS ID W032895
MAS/MILS ID 560070082
Record type Site
Current site name Shirley Basin Mine
Alternate or previous names Utah Mines, F Group Mine, Shirley Basin Property, Shirley Basin - Pathfinder, Pathfinder, Pathfinder - Shriley Basin, Utah Construction and Mining Company

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -106.194, 42.371 (WGS84)
Elevation 2133
Location accuracy 500(meters)
Relative position Excellent locations from air photo and NRC's website.

Site location context

Political divisions (FIPS codes)

Carbon(county)

Wyoming(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Moss Agate Reservoir(quadrangle 1:24,000 scale)

Shirley Basin(quadrangle 1:100,000 scale)

Casper(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Little Medicine Bow(hydrologic unit)

North Platte(hydrologic accounting unit)

North Platte(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Wyoming Carbon

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 28N 078W 28, 29 c Wyoming

Comments on the location information

  • Corrected location from T27N to T28N as shown on pl. 7 (#2) in MINOBRAS, 1976. This location is for Utah Mines, which someone has coded as a synonym for this Shirley Basin mine. Verified location by comparing http://www.nrc.gov/info-finder/decommissioning/uranium/is-pathfinder-shirley-basin.pdf fig. 2 to current (2011) satellite imagery in ARC GIS.

Commodities

Commodity Importance
Uranium Primary

Mineral occurrence model information

Model code 204
USGS model code 30c
Deposit model name Sandstone U

Nearby scientific data

Main Entrance (1) -106.194, 42.371
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type E
Significant No

Mining district

District name Shirley Basin Uranium District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Utah International, Inc.
    ID 4800490
    Home office (aka Utah Mining Corp., superseded by Utah Construction and Mining Co.)
    Year 1974
  • Type Operator
    Owner Pathfinder Mines, Corp.
    Home office Shirley Basin, WY
    Year 1980

Comments on the ownership information

  • "In December, 1976,, Pathfinder Mines Corporation (knownw as Lucky Mc Uranium Corporation) was incorporated as a wholly owned subsidiary of Utah Internation Inc. [...]" (Ritchie, 1990)

Production statistics

  • Year 1960
    Material 17,390 dry short tons X 0.9071847 = 15,776 metric tons ore @ 0.520% = 82,085 kg U3O8
    Ore mined 15776mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Primary Uranium Uranium 1wt-pct
  • Year 1961
    Material 45510 shorttons X .9071847 = 41286 mt @ 0.553% = 228,404 kg U3O8
    Ore mined 41286mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Primary U3O8 Uranium Uranium 1wt-pct
  • Year 1962
    Material 44,020 short tons X 0.9071847 = 42,781 mt @ 0.457 = 182,659 kg U3O8
    Ore mined 42781mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Primary Uranium Uranium 0wt-pct
  • Year 1963
    Material 16,572 st X 0.9071847 = 15034 mt @ 0.449 = 67,485 kg
    Ore mined 15034mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Primary Uranium Uranium 0wt-pct
  • Year 1964
    Material 2,031 sh X 0.9071847 = 1,842 mt X 0.016 = 136 kg
    Ore mined 1842mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Primary Uranium Uranium 0wt-pct
  • Year 1971
    Material 250,000 X .9071847 = 226,796 @ 0.158 = 358,800 kg U3O8
    Ore mined 226796mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Primary Uranium Uranium 0wt-pct
  • Year 1972
    Material 587260X .9071847 = 532753 mt @ 0.239 = 1,272,000 kg U3)8
    Ore mined 532753mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Primary Uranium Uranium 0wt-pct
  • Year 1973
    Material 357,900 X .9071847 = 324,681 @ 0.188 = 611,200 kg U3O8
    Ore mined 324681mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Primary Uranium Uranium 0wt-pct
  • Year 1974
    Material 433,900 st X .9071847 = 393627 mt @ 0.197 = 776,600 kg U3O8
    Ore mined 393627mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Primary Uranium Uranium 0wt-pct
  • Year 1975
    Material 452,700 st X .9071847 = 410,683 mt @ .180 = 737,100 kg U3O8
    Ore mined 410683mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Primary Uranium Uranium 0wt-pct
  • Year 1976
    Material 526,070 X .9071847 = 477243 X .194% = 923,200 kg U3O8
    Ore mined 477243mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Primary Uranium Uranium 0wt-pct
  • Year 1977
    Material 628,700 X .9071847 = 570347 mt @ 0.177 = 1,010,600 kg U3O8
    Ore mined 570347mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Primary Uranium Uranium 0wt-pct
  • Year 1978
    Material 879,200 X .9071847 = 797,597 @ 0.110 % = 875,900 kg U3O8
    Ore mined 797597mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Primary Uranium Uranium 0wt-pct
  • Year 1979
    Material 674,810 st X .9071847 = 612,177 mt @ 0.140% = 859,600 kg U3O8
    Ore mined 612177mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Primary Uranium Uranium 0wt-pct
  • Year 1980
    Material 631,200 st X .9071847 = 572615 mt X .173% = 988,900 kg U3O8
    Ore mined 572615mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Primary Uranium Uranium 0wt-pct
  • Year 1981
    Material 467,750 st X .9071847 = 424336 mt @ .136% = 578,200 kg U3O8
    Ore mined 424336mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Primary Uranium Uranium 0wt-pct
  • Year 1982
    Material 275,780 st X .9071847 = 250,183 mt X 0.150% = 378,800 kg U3O8
    Ore mined 250183mt
    Accuracy Accurate
  • Year 1983
    Material 208,900 st X .9071847 = 189,511 mt X 0.246% = 466,500 kg U3O8
    Ore mined 189511mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Primary Uranium Uranium 0wt-pct
  • Year 1984
    Material 73,620 X .9071847 = 66,787 X .222 = 148,000 kg U3O8
    Ore mined 66787mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Primary Uranium Uranium 0wt-pct
  • Year 1985
    Material 166,620 X .9071847 = 151,155 X .180 = 271,800 kg U3O8
    Ore mined 151155mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Primary Uranium Uranium 0wt-pct
  • Year 1986
    Material 38,400 X .9071847 = 34,836 mt @ 0.083% = 29,400 kg U3O8
    Ore mined 34836mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Primary Uranium Uranium 0wt-pct
  • Year 2010
    Period unknown
    Material 7,170,586 st X 0.9071847 = 6,505,046 mt, according to MS-94
    Ore mined 6505046mt

Comments on the production information

  • "During the underground mine life from 1960 to 1963, approximately 99.8 kt (110,000 st) of ore was mined containing 544,311 kg (1.2 million lb) U3O8" (Ritchie, 1990, p. 1151) MS-94 credts this mine with total production of 7,170,586 short tons (6,505,046 mt).
  • EMJ INT DIRECTORY OF MINING 1974 WASTE ORE 10000000 ST EM

Comments on the workings information

  • Underground mine access was through a 12 ft diam. circular, concrete-lined, four-compartment vertical shaft 365 ft deep. The shaft was sunk in 1959. Development was by haulage drifts on the 6790 ft level at a dept of 324 ft, driven south and southwesternly along the trends of the 6780 ft and 6820 ft. roll front systems. (Ritchie, 1990, p. 1152) Operations converted to open-pit sometime after Nov. 1968 (Ritchie, 1990, p. 1154-1155). Mine was still active in 1983 when Ritchie wrote his paper for the 1990 volume (p. 1156)

Reference information

Bibliographic references

  • Deposit

    USBM PROD TABS, WASH D.C.

  • Deposit

    REV BY MILS 4-80 (MESA)

  • Deposit

    Gregory, R.W., Jones, R.W., and Cottingham, K.D., 2010, Uranium map of Wyoming: Wyoming State Geological Survey Map Series 94, scale 1:500,000.

  • Deposit

    "WYOMING URANIUM MINERS SET SIGHTS ON HIGHER PRODUCTION" EMJ, PAGES: 61-85 (EXCELLENT)

  • Deposit

    WYO. G.S. FOR MAS

  • Deposit

    Ritchie, M.I., 1990, Shirley Basin Mine, in Kennedy, B.A., ed., Surface Mining, 2nd ed., Ch. 9.7, p. 1151-1162.

  • Deposit

    Pathfinder--Shriley Basin Uranium Recovery Facility, accessed Dec. 16, 2011 at http://www.nrc.gov/info-finder/decommissioning/uranium/is-pathfinder-shirley-basin.pdf

  • Deposit

    Harshman, E.N., 1972, Geology and uranium deposits, Shirley Basin ar3ea, Wyyoming: U.S. geological Survey Professiona Paper 745, 73 p.

General comments

Subject category Comment text
General EMJ INT DIRECTORY OF MINING 1974 WASTE ORE 10000000 ST EM [copied from references section from deleted record 10081160]

Reporter information

Type Date Name Affiliation Comment
Reporter 1983-11-18 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines also 10279033 = 0560070208
Editor 2010-06-06 Wilson, Anna B. U.S. Geological Survey corrected location from T27N to T28N.

Beyond USGS

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

Current status (per MSHA)

StatusAbandoned since 07/10/1992
MSHA mine ID4800490
Mine name (MSHA)Shirley Basin Mine And Mill
Current operatorPathfinder Mines Corp
Current controller (parent)Cogema S A
Mine typeSurface (Metal / non-metal)

MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.

Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.

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