Keystone-Brooklyn Mine

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

Geologic information

Identification information

Deposit ID 10055143
MRDS ID RE00157
Record type Site
Current site name Keystone-Brooklyn Mine
Alternate or previous names Indian Springs Mining Co. Property
Related records 10108891

Geographic coordinates

Geographic coordinates: -112.73525, 39.98438 (WGS84)
Elevation 1969
Relative position 2000 FT N 28 W OF INDIAN SPRINGS

Site location context

Political divisions (FIPS codes)

Tooele(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Indian Springs(quadrangle 1:24,000 scale)

Lynndyl(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)

Geographic areas

Country State County
United States Utah Tooele

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 9S;10S 8W;8W 34;3 SW OF SE OF SW (34) Utah

Commodities

Commodity Importance
Silver Primary
Gold Primary

Materials information

Materials Type of material
Hematite Gangue
Limonite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification

Analytical data

Result SELECTED DUMP SAMPLE FROM UPPER ADIT: AG, OZ PER TON , 53
Result AU, OZ PER TON, .023

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Stratigraphic age (youngest) Late Cambrian

Nearby scientific data

(1) -112.73525, 39.98438

Economic information

Geologic structures

Type of structure Regional
Structure description Basin And Range

Ore body information

  • General form TABULAR
  • General form TABULAR

Controls for ore emplacement

  • Jasperoid Zone, Northeast And Northwest-Striking Faults

Economic information about the deposit and operations

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

Mining district

District name Erickson District District

Comments on the production information

  • PRODUCTION REPORTED, BUT NO SPECIFIC AMOUNT CITED

Workings at the site

  • Type of workings Underground
    Length 286.51M

Comments on the workings information

  • SIX ADITS: NORTHERN ADITS, WESTERN (KEYSTONE) PAIR-LOWER S-TRENDING ADIT IS APPROX. 460 FT. LONG, (BROOKLYN) PAIR-(CAVED) APPROX. 400 FT. OF WORKINGS; SOUTHERN PAIR-LOWER IS 80 FT. LONG

Reference information

Bibliographic references

  • Deposit

    MESSENGER, H.M. 3, 1982, 0N-SITE INVESTIGATION: UGMS

  • Deposit

    THOMAS, G.H., 1958, THE GEOLOGY OF THE INDIAN SPRINGS QUADRANGLE, TOOELE AND JUBA COUNTIES, UTAH: UNPUB. BYU THESIS, PROVO, UTAH

  • Deposit

    BUREAU OF LAND MANAGEMENT, 1982, MINERAL SURVEY 6269, UTAH STATE OFFICE, SALT LAKE CITY

  • Production

    USGS, 1917, MINERAL RESOURCES OF U.S., P. 200

General comments

Subject category Comment text
Deposit THE SOUTHERN ADITS EXPLORED PYRITE-QUARTZ MINERALIZATION ASSOCOATED WITH A N 80 E VERTICALLY DIPPING, 4 FT. WIDE HEMATITE-STAINED JASPEROID ZONE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1982 Messenger, Harold M. III Utah Geological and Mineral Survey

Beyond USGS

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