1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Fresno

Past Producer in Fresno county in California, United States with commodities Copper, Gold, Silver, Lead, Zinc
Map
XML
JSON
KML
B
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 10076527
MRDS ID W023577
Record type Site
Current site name Fresno
Alternate or previous names Heiskell
Related records 10163870

Geographic coordinates

Geographic coordinates: -119.65819, 36.98661 (WGS84)
Elevation 140
Relative position 6 1/2 MILES NE OF CLOVIS

Site location context

Political divisions (FIPS codes)

Fresno(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Friant(quadrangle 1:24,000 scale)

Fresno(quadrangle 1:100,000 scale)

Fresno(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper San Joaquin(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(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 021E 10 California

Commodities

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

Comments on the commodity information

  • LOW GRADE ORE

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Pyrite Ore
Pyrrhotite Ore
Silver Ore
Sphalerite Ore

Analytical data

Result 1.26 % - 1.33 % CU

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -119.65819, 36.98661
ListMap

Economic information

Ore body information

  • Thickness 4.27M
    Length 121.92M
    Width 15.24M

Comments on the geologic information

  • GEOL.DESC: ( MAC DONALD, 1941 ) STATES THAT THE AMPHIBOLITE IN THE VICINITY OF THE ORE BODIES ARE VERY-COARSE GRAINED - MUCH COARSER THAN ANYWHERE ELSE WITHIN THE FOOTHILL COPPER BELT BETWEEN THE KINGS AND SAN JOAQUIN RIVERS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Large
Significant No
Production years 1909 - 1910

Comments on the production information

  • LEAD AND ZINC PRODUCTION NOT KNOWN.

Workings at the site

  • Type of workings Underground
    Overall depth 161.54M

Comments on the workings information

  • MAIN SHAFT 530 FT., DRIFTS ON 200 AND 300 FT. LEVELS. MAIN ORE BODY OCCURED BETWEEN THESE LEVELS, ON 300 FT. LEVEL IS A CROSS VEIN 2 - 4 FT. WIDE.

Reference information

Bibliographic references

  • Deposit

    GOODWIN, J.G., 1957 , LEAD AND ZINC IN CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 57 , NOS 3 AND 4 , P. 446

  • Deposit

    LOGAN, C.A., ETAL, 1951 ; MINES AND MINERAL RESOURCES OF FRESNO COUNTY: CALIF. JOUR. MINES AND GEOLOGY, VOL. 47 , NO. 3 ; DIV. OF MINES, P. 501 - 502 .

  • Production

    GOODWIN, J.G., 1957 , P. 446

General comments

Subject category Comment text
Deposit COMPRISED OF 4032 ACRES
Deposit SMALL STREAKS OF CHALCOPYRITE APPEARED IN LOWER WORKINGS.

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.