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Big Horn

Past Producer in San Bernardino county in California, United States with commodities Lead, Gold, Silver, 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. Economic information about the deposit and operations
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10102978
MRDS ID M020682
Record type Site
Current site name Big Horn
Alternate or previous names Mabel-Contention
Related records 10237781

Geographic coordinates

Geographic coordinates: -115.5325, 34.8578 (WGS84)
Elevation 1143
Relative position 23 MILES WEST OF ESSEX

Site location context

Political divisions (FIPS codes)

San Bernardino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Van Winkle Spring(quadrangle 1:24,000 scale)

Amboy(quadrangle 1:100,000 scale)

Needles(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Southern Mojave(hydrologic unit)

Southern Mojave(hydrologic accounting unit)

Southern Mojave-Salton Sea(hydrologic subregion)

California(hydrologic region)

Federal lands

Mojave National Preserve(National Preserve)

National Preserve NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State County
United States California San Bernardino

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 009N 014E 20 California

Commodities

Commodity Importance
Lead Primary
Gold Primary
Silver Secondary
Copper Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Monzonite

Nearby scientific data

(1) -115.5325, 34.8578
ListMap

Economic information

Ore body information

  • Strike N 20 E
    Dip 40 - 75 W
    Thickness 1.22M

Comments on the geologic information

  • GEOL.DESC: FORMATION IS PRINCIPALLY QUARTZ MONZONITE, DIORITE, QUARTZITE AND ANDESITE. SERIES OF PARALLEL INTRUSIVE ANDESITE DIKES CUT QUARTZ MONZONITE, DIKES HAVE NORTHWARD TREND.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1933 , 1938 , 1940 - 1941

Comments on the production information

  • SHIPMENT OF LEAD ORE AND OF GOLD ORE IN 1940 - 1941 , LEAD ORE CONTAINED 15.7 % PB, SOME COPPER AND SILVER.

Workings at the site

  • Type of workings Underground
    Length 397.76M
    Overall depth 99.06M

Comments on the workings information

  • CONTENTION CLAIM; 3 COMPARTMENT VERTICAL SHAFT - 325 FT. DEEP, LEVELS AT 160 AND 300 FT. ON 160 FT LEVEL, DRIFT SOUTH FOR 440 FT. TO SUBWAY VEIN WHICH STRIKES N 20 E, DIPS 65 W, 8 - 12 INCHES THICK. 300 FT. LEVEL, DRIFT SOUTH 110 FT, CROSSCUT DRIVEN NE FROM SHAFT 110 FT, WITH ADDITIONAL 100 FT. MABLE CLAIM; 140 FT. SHAFT, 80 FT OF DRIFTS AT BOTTOM. AT 40 FT. SULFIDE ORE ENCOUNTERED.

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. 615

  • Deposit

    TUCKER, W. B. AND SAMPSON, R. J., 1943 , MINERAL RESOURCES, SAN BERNARDINO COUNTY; CALIF. JOUR. MINES AND GEOLOGY VOL. 39 , NO. 4 ; DIV. OF MINES, P. 441 - 442 .

  • Production

    GOODWIN, J. G., 1957 , P. 615 (SEE REF.)

General comments

Subject category Comment text
Deposit VEIN 1 - 4 FT. THICK IN AN ANDESITE DIKE IN QUARTZ-MONZONITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-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.