St. James Mine

Past Producer in Salt Lake county in Utah, United States with commodities Gold, Silver, Lead
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. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10020917
MRDS ID DC14268
Record type Site
Current site name St. James Mine

Geographic coordinates

Geographic coordinates: -112.15302, 40.50022 (WGS84)
Elevation 2469
Relative position 6,240 FT. EAST OF WEST MTN.

Site location context

Political divisions (FIPS codes)

Salt Lake(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bingham Canyon(quadrangle 1:24,000 scale)

Tooele(quadrangle 1:100,000 scale)

Tooele(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Jordan(hydrologic unit)

Jordan(hydrologic accounting unit)

Great Salt Lake(hydrologic subregion)

Great Basin(hydrologic region)

Geographic areas

Country State County
United States Utah Salt Lake

Public Land Survey System information

Meridian Township Range Section Fraction State
004S 003W 02 NE OF NW OF SW Utah

Comments on the location information

  • INFO FROM LAND.ST :(1977)

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Secondary

Materials information

Materials Type of material
Galena Ore
Calcite Gangue
Chlorite Gangue
Sericite Gangue
Talc Gangue

Alteration

  • (Local) Dolomitization And Silicification

Analytical data

Result ASSAY IN 1905 15 TO 20 OZ AU/TON
Result 30 OZ AG/TON
Result 35% PB

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Monzonite
    Rock unit name Monzonite Porphyry
    Rock description Monzonite Porphyry
    Stratigraphic age (youngest) Pennsylvanian
    Stratigraphic age (youngest) Eocene
    Stratigraphic age (youngest) Eocene
    Stratigraphic age (youngest) Pennsylvanian

Nearby scientific data

(1) -112.15302, 40.50022

Economic information

Geologic structures

Type of structure Regional
Structure description Basin And Range
Type of structure Local
Structure description County Rock (N80w, 15ne); Fractured Zone (N25e, 69se); St. James Fissure (Ne-Sw)

Ore body information

  • General form IRREGULAR
    Strike NW
    Dip 20NE
    Width 0.46M
  • General form IRREGULAR
    Dip 20NE

Controls for ore emplacement

  • Fissures And Fractures

Comments on the geologic information

  • THE LIMESTONE IS DARK GRAY TO BLACK, WEATHERING LIGHT GRAY BLUE WITH A SMOOTH SURFACE, VERY FINE-GRAINED, THIN BEDDED TO PLATY, WITH SOME SILT STRINGERS AND SMALL 1/2" TO 1" DIAMETER BLACK ROUNDED CHERT NODULES. VEINS OF QUARTZ AND CALCITE ARE COMMON.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Bingham District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Kennecott Minerals Co.

Comments on the workings information

  • THREE ADITS (155, 60, 425 FT); AN INCLINE SHAFT AND A WINZE; THE UPPER TWO LEVELS ARE ENTIRELY IN QUARTZITES. THE LOWER TUNNEL IS IN THE INTRUSIVE ROCKS AND ALSO IN QUARTZITES, BANDED LIMESTONE, WHITE LIMESTONES AND MARBLES.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit DEPOSIT LIES CLOSE TO A ZONE OF CROSS FAULTING. HOSTROCKS ARE HIGHLY SHEARED AND ALTERED. MINERALIZATION IS CONTROLLED BY FISSURES AND FRACTURES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1981 Mohammad, Hasan Utah Geological and Mineral Survey

Beyond USGS

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