Green Crystal Mine

Past Producer in Juab county in Utah, United States with commodities Fluorine-Fluorite, Uranium, Beryllium
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. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10020300
MRDS ID DC12954
Record type Site
Current site name Green Crystal Mine
Related records 10130085

Geographic coordinates

Geographic coordinates: -113.18499, 39.74383 (WGS84)
Elevation 1798
Relative position 3 MILES N-NW USMM IN SEC 10 T13S R12W

Site location context

Political divisions (FIPS codes)

Juab(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Topaz Mountain West(quadrangle 1:24,000 scale)

Fish Springs(quadrangle 1:100,000 scale)

Delta(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Southern Great Salt Lake Desert(hydrologic unit)

Great Salt Lake(hydrologic accounting unit)

Great Salt Lake(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management UT)

Bureau of Land Management UT BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Utah Juab

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 012S 012W 27 Utah

Comments on the location information

  • SECTION SUBDIVISIONS SE 1/4 SE 1/4 SW 1/4

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary
Uranium Secondary
Beryllium Critical Secondary

Comments on the commodity information

  • CHIEF IMPURITIES ARE MONTMORILLONITE, CREAM COLORED DOLOMITE & QUARTZ

Materials information

Materials Type of material
Fluorite Ore
Bertrandite Gangue
Carnotite Gangue

Alteration

  • (Local) Clay Alteration

Analytical data

Result SURFACE SAMPLE (1964) = .015% U3O8, 57.3% CAF2
Result OPEN CUT ROAD LEVEL = .022% U3O8, 79.8% CAF2 OPEN CUT = .020% U3O8, 92.5% CAF2, .038% U3O8, AVE: 67.9% CAF2, 18.4% SIO2, 1.69 CACO3, AFTER CRUSHING & SCREENING: 78.8% CAF2, 10.6% SIO2, 1.07% CACO3

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Por. Rhyolitic Member Of Spor Mtn Formation;Umio Stratified Tuff Member Of Topaz Mtn. Rhyolite
    Rock description Por. Rhyolitic Mbr. Of Spor Mtn Formation;Umio Stratified Tuff Mbr Of Topaz Mtn. Rhyolite
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Fluoride Dolomite;Fish Haven Dolomite
    Rock description Fluoride Dolomite;Fish Haven Dolomite

Nearby scientific data

(1) -113.18499, 39.74383

Economic information

Geologic structures

Type of structure Regional
Structure description Basin & Range
Type of structure Local
Structure description This Ore Body Does Not Appear To Be Within A 150 Ft. Of Any Fault.

Ore body information

  • General form PIPE-LIKE
    Plunge STEEP
    Plunge direction SE
    Length 13.11M
    Width 5.49M

Controls for ore emplacement

  • Along Pipes And Veins In Favorable Replacement Carbonates & In Brecciated Fault Zones

Comments on the geologic information

  • STRATA STRIKES N40E DIPS 30NW

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1952
Discoverer Al & Earl Wilden (Delta, Utah)
Year of first production 1955
Production years 1956 AND 1975

Mining district

District name Spor Mtn-Thomas Range

Land status

Ownership category BLM Administrative Area

Workings at the site

  • Type of workings Surface
    Overall length 12.19M
    Overall width 6.1M

Comments on the workings information

  • 35 FT. DEEP

Comments on development

  • RECENT URANIUM EXPLOR. INDICATES A FAIR U3O8 CONTENT (UP TO 0.15-0.20%), BUT IT OCCURS IN COMPLEX STRUCTURE WITH F IONS WHICH MAKES IT ECONOMICALLY MARGINAL FOR EXTRACTION

Reference information

Bibliographic references

  • Analytical Data

    SRC.REF: USGS PP 415

  • Deposit

    BULLOCK, K.C., 1976, FLUORITE OCCURRENCES IN UTAH: UTAH GEOL. & MINERAL SURVEY BULL. 110.

  • Deposit

    STAATZ, M.H., & OSTERWALD, F.W., 1959, GEOLOGY OF THE THOMAS RANGE FLUORSPAR DISTRICT, JUAB COUNTY: USGS BULL. 1069.

  • Deposit

    STAATZ, M.H., AND CARR, W.J., 1964, GEOLOGY AND MINERAL DEPOSITS OF THE THOMAS & DUGWAY RANGES, JUAB-TOOELE CO., UT: USGS PP 415.

  • Deposit

    STAATZ, M.H., AND WILMARTH, V.R., & BAUER, H.L., JR., 1951, RADIOACTIVE FLUORITE IN THE THOMAS RANGE, JUAB CO., UT: USGS TEI #136, 88 P.

  • Deposit

    1951 DIREXPL US AEC

  • Deposit

    COCHRAN, K.L., 1952, FLUORSPAR RESOURCES OF CALIF., NEV., UTAH, IDAHO, & COLORADO ADJACENT & TRIBUTARY TO FACILITIES OF THE UNION PACIFIC RR CO: UPRC, LOS ANGLES CALIF., 78 P.

  • Deposit

    1959 RECON STAATZ, USGS BULL. 1069

  • Deposit

    1964 RECON STAATZ, USGS PP 415

  • Deposit

    1979 GEOLMAP LINDSEY, D.A., USGS MAP-I-1176

  • Production

    STAATZ, 1964, GEOLOGY AND MINERAL DEPOSIT OF THE THOMAS & DUGWAY RANGES: USGS PP. 415

  • Reserve-Resource

    BULLOCK, 1976 , P. 49

General comments

Subject category Comment text
Deposit THE ORE PIPE IS OVAL IN PLAN AND IS 43 FT LONG BY 18 FT. WIDE. IT APPEARS TO PLUNGE STEEPLY IN AN EAST-SE DIRECTION. THE ORE IS GENERALLY PALE-DARK PURPLE & OCCURRS MAINLY AS BOXWORK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1974 Unknown U.S. Geological Survey
Updater 01-MAR-1980 Everts, Mike L. U.S. Geological Survey

Beyond USGS

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