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Blackjack

Occurrence in Fresno 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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10095259
MRDS ID M021037
Record type Site
Current site name Blackjack
Related records 10211985

Geographic coordinates

Geographic coordinates: -119.32374, 36.88995 (WGS84)

Site location context

Political divisions (FIPS codes)

Fresno(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Trimmer(quadrangle 1:24,000 scale)

Fresno(quadrangle 1:100,000 scale)

Fresno(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper King(hydrologic unit)

Tulare-Buena Vista Lakes(hydrologic accounting unit)

Tulare-Buena Vista Lakes(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Fresno

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 012S 024E 14 California

Commodities

Commodity Importance
Copper Tertiary

Comments on the commodity information

  • OCCASIONAL HIGH GRADE BUNCHES

Analytical data

Result 2 1/2 % CU

Host and associated rocks

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

Economic information

Ore body information

  • Strike NW
    Dip 75 NE

Comments on the geologic information

  • GEOL.DESC: HANGING WALL IS SCHIST, FOOTWALL GRANITE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Workings at the site

  • Type of workings Underground
    Length 49.68M

Comments on the workings information

  • TWO SHAFTS 125 AND 20 FT. RESPECTIVELY, THE FORMER HAVING TWO CROSSCUTS AND AN 18 FT. DRIFT. SMALL TONNAGE OF HIGH GRADE ORE ON DUMP.

Reference information

Bibliographic references

  • Deposit

    BRADLEY, W.W., 1914 ; FRESNO COUNTY, 14 TH REPT. STATE MIN.; CALIF. MIN. BUR., P. 437

  • Deposit

    ERIC, J.H., 1948 , TABULATION OF COPPER DEPOSITS IN CALIFORNIA IN COPPER IN CALIFORNIA: CALIFORNIA DIVISION OF MINES BULLETIN 144 , P. 233

General comments

Subject category Comment text
Deposit ORE ZONE 150 FT. WIDE

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.