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  3. Mineral Resource Data System (MRDS)

Giant Ledge

Occurrence in San Bernardino county in California, United States with commodities Copper, Tungsten
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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. Mining district
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10095231
MRDS ID M020726
Record type Site
Current site name Giant Ledge
Related records 10237439

Geographic coordinates

Geographic coordinates: -115.29972, 35.25445 (WGS84)
Elevation 1737
Relative position 6 MILES SOUTH OF IVANPAH

Site location context

Political divisions (FIPS codes)

San Bernardino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ivanpah(quadrangle 1:24,000 scale)

Ivanpah(quadrangle 1:100,000 scale)

Kingman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Piute Wash(hydrologic unit)

Lower Colorado(hydrologic accounting unit)

Lower Colorado(hydrologic subregion)

Lower Colorado(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 014N 016E 31,32 California

Commodities

Commodity Importance
Copper Tertiary
Tungsten Critical Tertiary

Materials information

Materials Type of material
Huebnerite Ore
Scheelite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -115.29972, 35.25445
ListMap

Economic information

Ore body information

  • Strike NE
    Dip VERTICAL
    Width 60.96M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Ivanpah

Workings at the site

  • Type of workings Surface/Underground
    Length 365.76M
    Overall depth 60.96M

Comments on the workings information

  • CROSSCUT TUNNEL 700 FT. IN LENGTH, SHALLOW SHAFTS 200 AND 60 FT. IN DEPTH, THREE OTHER SHAFTS 30 FT. EACH, DRIFTS OF 48 AND 45 FT., AND OPEN CUTS. WORKINGS TO THE NORTH, NEAR GRANITE-LIMESTONE CONTACT EXPLORED FLUORITE, BASE-METAL AND TUNGSTEN ZONES.

Reference information

Bibliographic references

  • Deposit

    TUCKER, W. B. AND SAMPSON, R. J., 1943 , MINERAL RESOURCES, SAN BERNARDINO; CALIF. JOUR. MINES AND GEOLOGY, VOL. 39 , NO. 4 ; DIV. OF MINES, P. 434

  • Deposit

    WRIGHT, L. A., ETAL, 1953 , MINES AND MINERAL DEPOSITS, SAN BERNARDINO COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 49 , NOS. 1 & 2 ; DIV. OF MINES, P. 9 - 10 (AP.)

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.