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Independence Mine No. 1

Past Producer in San Bernardino county in California, United States with commodities Gold, Copper, Iron
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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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10035823
MRDS ID M023736
Record type Site
Current site name Independence Mine No. 1
Related records 10141001, 10262050

Geographic coordinates

Geographic coordinates: -116.88058, 34.3078 (WGS84)
Elevation 2277
Relative position N. EDGE OF UPPER HOLCOMB VALLEY, 3 MI. NE BIG BEAR LAKE RANGER STATION

Site location context

Political divisions (FIPS codes)

San Bernardino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Fawnskin(quadrangle 1:24,000 scale)

Big Bear Lake(quadrangle 1:100,000 scale)

San Bernardino(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Santa Ana(hydrologic unit)

Santa Ana(hydrologic accounting unit)

Southern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

San Bernardino National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California San Bernardino

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 003N 001E 33 California

Comments on the location information

  • UTM ACC. NEAR BOUNDARY OF SEC. 28

Commodities

Commodity Importance
Gold Primary
Copper Secondary
Iron Secondary

Materials information

Materials Type of material
Quartz Gangue

Alteration

  • (Local) Abundant Pyrite And Traces Of Chalcopyrite Form Thin Coatings In Recemented Fractures In Qtz. Vein.

Analytical data

Result BEST ASSAYS WERE OBTAINED AS FREE-MILLING GOLD FROM VUGGY PORTIONS OF VEIN WHERE QUARTZ STAINED BY LIMONITE. ASSAYS MADE BY E. EISENHAVER, LOS ANGELES, SHOWED VALUES OF $202, $532, $350/TON. DEPTHS ACROSS WIDTH OF VEIN, 1 FT., 10 FT. AND 15 FT., RESPECTIVELY.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite

Nearby scientific data

(1) -116.88058, 34.3078
ListMap

Economic information

Ore body information

  • Strike N60W
    Dip 70-75 SW
    Thickness 0.3M

Controls for ore emplacement

  • Fault

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1955

Land status

Ownership category National Forest

Comments on the production information

  • NO OTHER PRODUCTION RECORD FOUND

Comments on the workings information

  • BY MAY 1957, ADIT, 75 FT. LONG, AVG. 5 FT. IN WIDTH, 6-8 FT. HIGH. 15 FT. IN FROM PORTAL, A 6X5 FT. WINZE SUNK TO DEPTH OF 15 FT. BELOW ADIT LEVEL. DEVELOPMENT CONTINUING THROUGH 1958

Reference information

Bibliographic references

  • Deposit

    RICHMOND, J.R., AND GRAY, C.H., JR., 1960, GEOLOGY OF THE SAN BERNARDINO MTS. NORTH OF BIG BEAR LAKE, CALIF: CALIF DIV. OF MINES SPECIAL REPORT NO. 65, P. 62

  • Production

    RICHMOND AND GRAY (1960)

General comments

Subject category Comment text
Deposit VEINS, ONE 3-12 IN. THICK, TRACED NW FROM MINE PORTAL FOR 100 FT WHERE IT FRAYS INTO SMALLER VEINS THAT BEND IN MORE N. DIRECTION. SLICKENSIDES AND THIN GOUGE ZONES IN VEIN WALLS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1979 Nelson, Scott C. (Albers, John, P.) 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.