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Big Horn Group

Occurrence in Riverside county in California, United States with commodity 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 10034156
MRDS ID M020865
Record type Site
Current site name Big Horn Group
Related records 10212978

Geographic coordinates

Geographic coordinates: -114.85914, 33.85199 (WGS84)
Elevation 366
Relative position 8 MILES NW OF INCA, IN LITTLE MARIA MTS.

Site location context

Political divisions (FIPS codes)

Riverside(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Inca(quadrangle 1:24,000 scale)

Blythe(quadrangle 1:100,000 scale)

Salton Sea(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Imperial Reservoir(hydrologic unit)

Lower Colorado(hydrologic accounting unit)

Lower Colorado(hydrologic subregion)

Lower Colorado(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 Riverside

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 004S;003S 020E;020E 02,03;27,34,35 California

Commodities

Commodity Importance
Copper Tertiary

Materials information

Materials Type of material
Malachite Ore
Quartz Gangue

Analytical data

Result .5 - 2 % CU

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -114.85914, 33.85199
ListMap

Economic information

Ore body information

  • Strike N 55 E
    Dip 30 NW
    Width 1.83M

Comments on the geologic information

  • GEOL.DESC: VEIN MATTER AND COUNTRY ROCK ADJACENT TO THE VEINS SHOW A CELLULAR STRUCTURE. THIS LEACHED OR VESICULAR CONDITION EXISTS TO A GREATER OR LESS DEGREE THROUGHOUT THE PORPHYRITIC BELT.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Workings at the site

  • Type of workings Underground
    Length 37.19M
    Overall depth 15.24M

Comments on the workings information

  • 4 SHAFTS FROM 25 - 50 FT. IN DEPTH

Reference information

Bibliographic references

  • Deposit

    TUCKER, W.B. AND SAMPSON, R.J., 1929 ; RIVERSIDE COUNTY: 25TH REPT. STATE MIN.; DIV. OF MINES, P. 469 - 470

  • Deposit

    TUCKER, W.B. AND SAMPSON, R.J., 1945 : MINERAL RESOURCES, RIVERSIDE COUNTY: CALIF. JOUR. MINES AND GEOLOGY, VOL. 41 , NO. 3 : DIV. OF MINES, P. 124 .

General comments

Subject category Comment text
Deposit BELT OF PORPHYRITIC ROCKS ABOUT 300 FT. WIDE, THERE ARE MINERALIZED ZONES IN BELT OF PORPHYRY WHICH VARY IN WIDTH FROM 1 - 6 FT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1979 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.

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.