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Western Minerals Mine

Past Producer in San Bernardino county in California, United States with commodity Boron-Borates
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10023825
MRDS ID I003019
Record type Site
Current site name Western Minerals Mine

Geographic coordinates

Geographic coordinates: -116.86754, 34.95001 (WGS84)

Site location context

Political divisions (FIPS codes)

San Bernardino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Yermo(quadrangle 1:24,000 scale)

Newberry Springs(quadrangle 1:100,000 scale)

San Bernardino(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Mojave(hydrologic unit)

Northern Mojave(hydrologic accounting unit)

Northern Mojave-Mono Lake(hydrologic subregion)

California(hydrologic region)

Federal lands

LG(Federal land areas administered by LG)

Geographic areas

Country State County
United States California San Bernardino

Comments on the location information

  • NEAR CALICO.

Commodities

Commodity Importance
Boron-Borates Primary

Materials information

Materials Type of material
Shale Ore

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Barstow Formation
    Rock description Barstow Formation
    Stratigraphic age (youngest) Miocene

Nearby scientific data

(1) -116.86754, 34.95001
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Faults, Folding

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Year of first production 1897
Production years 1897-1907

Mining district

District name Calico-Daggett Borate Area

Ownership information

  • Type Owner
    Owner Western Minerals Co.
    First year 1907

Production statistics

  • Year 1907
    Period 1897-1907
    Material BORIC ACID
    Accuracy Estimate
    Description Cp_Grade: ^95% Anhydrous Boric Acid
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Boric Acid Boron-Borates Boron 95wt-pct

Reference information

Bibliographic references

  • Deposit

    PIPER, J.R., 1985, BORATE DEPOSITS OF THE CALICO-DAGGETT AREA, CALIFORNIA, IN BARKER, J.M., AND LEFOND, S.J., EDS., BORATES: ECONOMIC GEOLOGY AND PRODUCTION: NEW YORK, SOCIETY OF MINING ENGINEERS OF THE AMERICAN INSTITUTE OF MINING, METALLURGICAL, AND PETROLEUM ENGINEERS, INC., P. 147-155.

  • Deposit

    RAPP, J.S., AND VREDENBURGH, L.M., 1992, INDUSTRIAL MINERAL RESOURCE POTENTIAL OF TERTIARY PLAYA DEPOSITS OF THE FORT IRWIN AREA, SAN BERNARDINO COUNTY, CALIFORNIA: SOCIETY FOR MINING, METALLURGY, AND EXPLORATION, INC. PREPRINT NUMBER 92-44, 9 P.

  • Production

    PIPER, 1985.

General comments

Subject category Comment text
Deposit B-BEARING SHALE WAS MINED. IN MANY PLACES, BORATE MINERAL WAS NOT VISIBLE, BUT THE SHALE HAD A DISTINCTIVE COLOR.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1992 Orris, Greta J. U.S. Geological Survey

Beyond USGS

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

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.