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Ophir

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

Geologic information

Identification information

Deposit ID 10076639
MRDS ID W023774
Record type Site
Current site name Ophir
Alternate or previous names Uncle Sam
Related records 10115062

Geographic coordinates

Geographic coordinates: -117.28256, 35.8347 (WGS84)
Elevation 674
Relative position 7 MILES NE OF TRONA

Site location context

Political divisions (FIPS codes)

Inyo(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Trona East(quadrangle 1:24,000 scale)

Ridgecrest(quadrangle 1:100,000 scale)

Trona(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Indian Wells-Searles Valleys(hydrologic unit)

Northern Mojave(hydrologic accounting unit)

Northern Mojave-Mono Lake(hydrologic subregion)

California(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California Inyo

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 024S 043E 24 California

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary
Silver Secondary
Gold Secondary
Copper Secondary

Materials information

Materials Type of material
Galena Ore
Lead Ore

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -117.28256, 35.8347
ListMap

Economic information

Ore body information

  • Strike N 30 W
    Dip 60 - 70 W

Controls for ore emplacement

  • Fissure

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1915 - 1949

Land status

Ownership category Military Reservation

Production statistics

  • Year 1949
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^8 % Pb, 10 Oz Ag And .04 Oz Au.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Gold Gold 1g/mt
    Minor Ore Silver Silver 282g/mt
    Major Ore Lead Lead 8wt-pct

Comments on the production information

  • OVER $500,000 MOSTLY IN LEAD; 1943 ; 50 TONS PER WEEK AVERAGING 20 % PB, 4 % ZN AND 4 OZ OF AG PER TON. 1950 AND 1952 , SEVERAL CARS OF DUMP MATERIAL WAS SHIPPED TO TOOELE, SMELTER RECOVERY WAS 18.5 % PB, 8.85 % ZN, 3.5 OZ AG PER TON, SOME GOLD.

Workings at the site

  • Type of workings Underground
    Overall depth 164.59M

Comments on the workings information

  • 540 VERTICAL SHAFT, MORE THAN 2500 FT. OF DRIFTS AND CROSSCUTS.

Reference information

Bibliographic references

  • Deposit

    GOODWIN, J.G., 1957 , LEAD AND ZINC IN CALIFORNIA; CALIF. JOUR. MINES AND GEOLOGY, VOL. 53 , NO. 3 & 4 ; DIV. OF MINES, P. 497

  • Deposit

    NORMAN, L. A. AND STEWART, R. J., 1951 , MINES AND MINERAL RESOURCES OF INYO COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 47 , NO. 1 ; DIV. OF MINES, P. 77 .

  • Production

    NORMAN, L.A. AND STEWART, R.J., 1951 , P. 77 (SEE REF.)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1978 Fraticelli, L. A. (Albers, J.) U.S. Geological Survey

Beyond USGS

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

External references

Maps centered on this site

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.