Hinkley Shaft

Past Producer in Juab county in Utah, United States with commodities Copper, Gold, Silver
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. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10087298
MRDS ID D006198
Record type Site
Current site name Hinkley Shaft
Related records 10154885

Geographic coordinates

Geographic coordinates: -113.03553, 39.56106 (WGS84)
Elevation 1987
Relative position 1 MILE SE OF LADY LAIRD PEAK AT THE TOP OF A RIDGE DIRECTLY EAST OF THE ALTO ADIT

Site location context

Political divisions (FIPS codes)

Juab(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lady Laird Peak(quadrangle 1:24,000 scale)

Fish Springs(quadrangle 1:100,000 scale)

Delta(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Sevier(hydrologic unit)

Escalante Desert-Sevier Lake(hydrologic accounting unit)

Escalante Desert-Sevier Lake(hydrologic subregion)

Great Basin(hydrologic region)

Geographic areas

Country State County
United States Utah Juab

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 014S 011W 36 Utah

Comments on the location information

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

Commodities

Commodity Importance
Copper Primary
Gold Primary
Silver Secondary

Comments on the commodity information

  • THE UPPER 40 FT OF THE STOPE PRODUCED A MEDIUM GRADE GOLD ORE IN LIMONITIC AND COPPER STAINED CARBONATE ROCK. BELOW THE 40 FT LEVEL WAS FOUND A HIGH GRADE SECONDARY COPPER CARBONATE ORE. THE GOLD ORE CONTAINED ANOTHER 70 FT DOWN WARD ON THE HANGING WALL WHERE IT PINCHED OUT

Materials information

Materials Type of material
Gold Ore
Malachite Ore

Alteration

  • (Local) Limonitic

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Rock unit name Intrusive Dikes, Plugs & Flows
    Rock description Intrusive Dikes, Plugs & Flows
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Dolomite H (Lower Marjum Formation)
    Rock description Dolomite H (Lower Marjum Formation)

Nearby scientific data

(1) -113.03553, 39.56106

Economic information

Geologic structures

Type of structure Regional
Structure description Drum Mountains Homocline Striking N20e And Dips 30 Sw
Type of structure Local
Structure description Ne Trending Fault Zone

Ore body information

  • Strike S70 DEG E
    Dip 67 DEG SW
    Length 18.29M
    Depth to top 0M
    Depth to bottom 42.67M

Controls for ore emplacement

  • Keystone-Alto Fissure Vein

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1933

Mining district

District name Detroit District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Utah Central Mining Co.
  • Type Owner
    Owner Utah Central Mining Co.
    First year 1933

Comments on the production information

  • ITEMS 1-4 ARE FOR SEPT., NOV., DEC. 1933; ITEMS 5-7 FOR JAN. 1934

Workings at the site

  • Type of workings Underground
    Length 76.2M
    Overall depth 42.67M
    Overall length 76.2M

Comments on the workings information

  • THE MINE WORKINGS CONSIST OF A TUNNEL DRIFT ABOUT 60 FT LONG & AN INCLINE SHAFT 140 FT DEEP. THE TUNNEL FOLLOWS THE STRIKE OF THE ORE VEIN, AND THE INCLINE FOLLOWS THE DIP.

Comments on development

  • THE UT. GEOL. AND MINERAL SURVEY HAS ON FILE THE ORIGINAL REPORT OF GUY CRANE AND OTHER ENGINEERS & GEOLOGISTS TO INCLUDE, MAPS, SURVEYS, ASSAYS, AND CORRESPONDANCE

Reference information

Bibliographic references

  • Deposit

    EVERTS, M.L., 1980, UTAH GEOLOGICAL & MINERAL SURVEY ON SITE INVESTIGATION

  • Deposit

    CRITTENDEN, M.D., STRACZEK, J.A., & ROBERTS, R.J., 1961, MANGANESE DEPOSITS IN THE DRUM MTNS, JUAB & MILLARD COUNTIES, UT: USGS BULL. 1082-H

  • Deposit

    CRANE, G.W., 1934, GEOLOGY AND EVALUATION OF COMPANY HOLDINGS IN THE DETROIT DISTRICT: REPORT TO MR. FRANK SYLVESTER, PRESIDENT OF UTAH CENTRAL MINES COMPANY FROM G.W. CRANE, CONSULTING GEOLOGIST, MARCH 15, 1934, MAPS, SURVEYS, ASSAYS, ETC.

  • Deposit

    1920 RECON BUTLER, B.S., USGS PP 11

  • Production

    CRANE, G.W., 1934, COMPANY REPORT: UTAH CENTRAL MINES CO.

General comments

Subject category Comment text
Deposit MINING STARTED ON A SMALL COPPER SHOWING IN A QUARTZ LEDGE IN DOLOMITE "H" (CRITTENDEN) (LOWER MARJUM FM?) THE LEDGE IS PART OF THE KEYSTONE-ALTO VEIN SYSTEM & IS ACCOMPANIED BY AN 18" QTZITE PEBBLE DIKE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1980 Everts, Michael L. Bureau of Land Management

Beyond USGS

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