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Eureka Ophir Mine

Past Producer in Tooele county in Utah, United States with commodities Lead, Silver, Copper, Gold
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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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10020018
MRDS ID DC12179
Record type Site
Current site name Eureka Ophir Mine

Geographic coordinates

Geographic coordinates: -112.27108, 40.38966 (WGS84)
Elevation 2505
Location accuracy 500(meters)
Relative position 3,050 FT S 4 W OF COMMADORE PASS

Site location context

Political divisions (FIPS codes)

Tooele(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Stockton(quadrangle 1:24,000 scale)

Rush Valley(quadrangle 1:100,000 scale)

Tooele(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Rush-Tooele Valleys(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 005S 004W 15 SE OF NE OF NE Utah

Comments on the location information

  • INFO FROM LAND.ST :1977

Commodities

Commodity Importance
Lead Primary
Silver Primary
Copper Secondary
Gold Secondary

Alteration

  • (Local) Nearly Complete Oxidation Of Ore

Analytical data

Result 6 PERCENT PB, 6 PERCENT CU, 9 OZ. AG, 25 CENTS IN AU

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Mississippian
    Stratigraphic age (youngest) Mississippian
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Deseret Limestone
    Rock description Deseret Limestone

Nearby scientific data

(1) -112.27108, 40.38966
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Oquirrh Mtns.
Type of structure Local
Structure description Near Axis Of Ophir Anticline

Ore body information

  • General form TABULAR

Controls for ore emplacement

  • Breceia Zone In Deseret Limestone Above Basal Shale

Economic information about the deposit and operations

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

Mining district

District name Ophir District

Land status

Ownership category Private

Workings at the site

  • Type of workings Underground
    Length 91.44M

Comments on the workings information

  • OPENED BY INCLINED SHAFT 300 FEET DEEP, BADLY CAVED IN 1932

Comments on development

  • WORKED SPORADICALLY FROM 1913-1921 AND 1927, PRODUCTION RECORDED FOR 1917, 1918 AND 1927

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1982 Tripp, Bryce T. Utah Geological and Mineral Survey

Beyond USGS

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

Maps centered on this site