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Blue Ledge

Past Producer in Siskiyou county in California, United States with commodities Copper, Gold, Lead, Silver, Zinc
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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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10287237
MRDS ID W017560
MAS/MILS ID 0060931385
Record type Site
Current site name Blue Ledge
Alternate or previous names Blue Ledge Extension
Related records 10072341

Geographic coordinates

Geographic coordinates: -123.094, 41.98 (WGS84)
Elevation 1463

Site location context

Political divisions (FIPS codes)

Siskiyou(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dutch Creek(quadrangle 1:24,000 scale)

Happy Camp(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Applegate(hydrologic unit)

Southern Oregon Coastal(hydrologic accounting unit)

Oregon-Washington Coastal(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Rogue River-Siskiyou National Forests(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Siskiyou

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 048 N 011 W 34 California

Commodities

Commodity Importance
Copper Primary
Gold Secondary
Lead Primary
Silver Secondary
Zinc Critical Primary

Materials information

Materials Type of material
Chalcopyrite Unknown
Chlorite Unknown
Covellite Unknown
Galena Unknown
Gold Unknown
Pyrite Unknown
Pyrrhotite Unknown
Sericite Unknown
Silver Unknown
Sphalerite Unknown

Nearby scientific data

(1) -123.094, 41.98
ListMap

Economic information

Ore body information

  • Strike N10E
    Dip 60W
    Thickness 2M
    Length 386M
    Width 107M
    Depth to top 82.3M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 SHEAR ZONE
    Shape of Orebody #1 LENTICULAR
    Type of Orebody #2 REPLACEMENT
    Shape of Orebody #2 IRREGULAR
    Type of Orebody #3 FISSURE VEIN
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin CONT METASOMATIC
    Primary Ore Control FRACTURING
    Secondary Ore Control FOLDING
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 SERICITIC
    Type of Wallrock Alter. #2 PYRITIZATION
    Type of Wallrock Alter. #3 SILICIFICATION
    Strike And Dip N10E:60W
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 10
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830316
  • Area 121HA
    Field Value
    Total Surface Area (HA) 121
    Date of Last Modification 910418

Comments on the geologic information

  • CARBONACEOUS, SERICITIC, CHLORITIC, AND QUARTZIC SCHISTS IDENTIFIED IN MINE. MOST MINERALIZATION IN MICA AND QUARTZ SCHISTS
  • MIN-2 02. SOME PY X-TALS >8.OCM. MIN-2 SOME PYRITE CRYSTALS GREATER THAN 8.0CM

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1896
Year of first production 1917

Mining district

District name Elliott Creek

Mineral rights holdings

Type of mineral rights Patented

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Perry Hylton Coal Co. Bx 986,Beckley,W. Virginia
    Interest 100
    Home office West Virginia
    Year 1978

Comments on the workings information

  • ALSO TYPICAL COASTAL BRUSH.CONIFER SPECIES, INCLUDE SUGAR PINE, YELLOW PINE, LODGEPOLE PINE AND SEVERAL SPECIES OF FIR. PRESENT DIRT RD. MUST BE WIDENED, PROPERLY DRAINED AND SURFACED FOR YEAR ROUND HAULAGE

Reference information

Bibliographic references

  • Deposit

    HUNDHAUSEN,R.J.,BLUE LEDGE CU-ZN MINE REPT. OF INVESTIGATION

  • Deposit

    OCT. 1947

  • Deposit

    HUTCHINSON,R.,M., A PRELIMINARY ON THE GEOL OF THE BLUE LEDG

  • Deposit

    MINE, USGS OCT,23 1945

  • Deposit

    CALIF. JOURNAL OF MINES AND GEOL.V.43,NO.4,1947,P.424

  • Deposit

    CALIF JOUR MINESAND GEOL. V.43 NO 4,1947 P 424.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Wetzel, Nicholas U.S. Bureau of Mines

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.