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  3. Mineral Resource Data System (MRDS)

Black Jack

Past Producer in Los Angeles county in California, United States with commodities Lead, Zinc, Copper, Silver
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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 10034274
MRDS ID M021021
Record type Site
Current site name Black Jack
Related records 10235930

Geographic coordinates

Geographic coordinates: -118.40617, 33.38532 (WGS84)
Relative position NE SLOPE OF BLACK JACK MTN.

Site location context

Political divisions (FIPS codes)

Los Angeles(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Santa Catalina North(quadrangle 1:24,000 scale)

Santa Catalina Island(quadrangle 1:100,000 scale)

Long Beach(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Pedro Channel Islands(hydrologic unit)

Ventura-San Gabriel Coastal(hydrologic accounting unit)

Southern California Coastal(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Los Angeles

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 009S 014W 24 California

Commodities

Commodity Importance
Lead Primary
Zinc Critical Secondary
Copper Secondary
Silver Secondary

Materials information

Materials Type of material
Galena Ore
Pyrite Ore
Sphalerite Ore
Barite Gangue
Calcite Gangue
Quartz Gangue

Analytical data

Result 6 - 12 % ZN, 1.5 - 3.5 % PB AND 2-3 OZ AG / TON

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Hornblendite

Nearby scientific data

(1) -118.40617, 33.38532
ListMap

Economic information

Ore body information

  • Dip 60 NE
    Thickness 7.62M

Economic information about the deposit and operations

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

Comments on the production information

  • BEST VALUES RECOVERED FROM ORE SHOOT 6 - 12 FT. AT 400 FT. LEVEL TO SURFACE, ORE SHOOT WIDENED TO 25 FT. AT 500 FT. LEVEL. - NO PRODUCTION REPORTED.

Workings at the site

  • Type of workings Underground
    Length 1524M
    Overall depth 163.07M

Comments on the workings information

  • 3 COMPARTMENT VERTICAL SHAFT 535 FT. DEEP, LEVELS AT 400 AND 500 FT. AND AN ADIT ON VEIN. WINZE FROM ADIT WITH LEVELS AT 100 , 200 , 300 , AND 400 FT., LONGEST DRIFT 390 FT. ON 500 FT. LEVEL.

Reference information

Bibliographic references

  • Deposit

    GAY, T. E. JR. AND HOFFMAN, S. R., 1954 ; MINES AND MINERAL RESOURCES OF LOS ANGELES COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 50 , NOS. 3 & 4 ; DIV. OF MINES, P. 502 - 503 , 635

  • Production

    GAY AND HOFFMAN, 1954

General comments

Subject category Comment text
Deposit VEIN 4 - 25 FT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-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.