Dewey Mine

Past Producer in Tooele county in Utah, United States with commodities Silver, Copper, Manganese
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 10088445
MRDS ID DC15251
Record type Site
Current site name Dewey Mine
Alternate or previous names Dewey Claims

Geographic coordinates

Geographic coordinates: -113.90168, 40.04604 (WGS84)
Elevation 2164
Relative position APPROX. 1800 FT. WEST OF SOUTH PEAK

Site location context

Political divisions (FIPS codes)

Tooele(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ibapah(quadrangle 1:24,000 scale)

Wildcat Mountain(quadrangle 1:100,000 scale)

Tooele(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 Tooele

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 009S 018W 17 Utah

Comments on the location information

  • SE OF NE

Commodities

Commodity Importance
Silver Primary
Copper Tertiary
Manganese Critical Tertiary

Materials information

Materials Type of material
Malachite Ore
Pyrolusite Ore
Tetrahedrite Ore
Dolomite Gangue
Jarosite Gangue
Limonite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification

Analytical data

Result NOLAN (1935)-GRAB SAMPLE, FROM THE DUMP ASSAYED 0.05 OZ. AU AND 90.0 OZ. AG PER TON, THOMSON (1973)-SPECTROGRAPHIC ANALYSES OF SLICIFIED DOLOMITE.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Stratigraphic age (youngest) Late Silurian

Nearby scientific data

(1) -113.90168, 40.04604

Economic information

Geologic structures

Type of structure Regional
Structure description Basin And Range

Ore body information

  • General form TABULAR

Controls for ore emplacement

  • Northeast-Striking Fault Zone

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1890

Mining district

District name Willow Springs District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner H. D. Mitchell

Comments on the production information

  • 800-900 LBS. OF AG ORE PRODUCED 1890-1900, SOLD FOR 1,800 DOLLARS.

Comments on the workings information

  • THREE ADITS, ONE SHAFT, FOUR PITS. WORKINGS, N TO S-35 FT, DEWEY ADIT, TRENDING NE; 100 FT. SOUTH OF THIS ADIT A 50 FT. ADIT IS DRIVEN NORTH AND IS ADJACENT TO A 30 FT. SHAFT. THE SHAFT IS ADJACENT TO THE PORTAL. THIRD ADIT IS 35 FT. LONG, DRIVEN N-NE, 130 FT, S-SW OF DEWEY ADIT.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit MINOR MINERALIZATION OF BRECCIATED DOLOMITE ALONG A NORTHEAST-STRIKING FAULT ZONE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1975 Unknown U.S. Geological Survey
Updater 01-JAN-1982 Messenger, Harold M. III U.S. Geological Survey

Beyond USGS

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

External references