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Jackson Mccarthy Old Calaveras Mine

Occurrence in Calaveras 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. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10028776
MRDS ID M005966
Record type Site
Current site name Jackson Mccarthy Old Calaveras Mine

Geographic coordinates

Geographic coordinates: -120.63573, 37.97685 (WGS84)
Relative position SOUTH OF EMPIRE CLAIM

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Copperopolis(quadrangle 1:24,000 scale)

Oakdale(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Stanislaus(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Calaveras

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 001N 012E 02,03 California

Commodities

Commodity Importance
Copper Primary

Comments on the commodity information

  • ORE; MIXTURE OF MALACHITE AND CUPRITE IN LIMONITE; LOWER PORTIONS OF WORKINGS SHOW CHALCOPYRITE, ENCRUSTATIONS OF CHALCANTHITE NOT UNCOMMON.

Materials information

Materials Type of material
Chalcanthite Ore
Cuprite Ore
Malachite Ore
Chlorite Gangue
Quartz Gangue

Alteration

  • (Local) Chloritization

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -120.63573, 37.97685
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Mc Carty Fault; Strikes Parallel To Calaveras Fault 20 - 25 Ft East, Mc Carty Fault Dips East On Surface, Underground Workings Shows It Swing Through Vertical And Dip Steeply West.

Controls for ore emplacement

  • Possibly Reverse Dip Of Mc Carty Fault

Comments on the geologic information

  • GEOL.DESC: WALL ROCKS; GREEN SPOTTED CHORITE SCHIST WITHIN ZONE OF COPPER MINERALIZATION ARE THIN STREAKS OF INTENSELY CHLORITIZED ROCK, RESTRICTED TO WIDTH OF 3 - 4 FT. ADJACENT TO MC CARTY FAULT.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on the production information

  • 2 SHALLOW SHAFTS, 2 SHORT LEVELS CONNECTED BY AN IRREGULAR OPEN STOPE, AND A WINZE.

Comments on the workings information

  • 2 SHAFTS; SOUTH ONE 35 FT. DEEP, NORTH ONE PARTIALLY CAVED UNDETERMINED DEPTH , TWO SHORT LEVELS ON SOUTH SHAFT WITH A WINZE AND AN IRREGULAR OPEN STOPE.

Reference information

Bibliographic references

  • Deposit

    HEYL, G.R., 1948 , ORE DEPOSITS OF COPPEROPOLIS, CALAVERAS COUNTY, CALIFORNIA; COPPER IN CALIFORNIA, BULL. 144 ; DIV. OF MINES, P. 109

General comments

Subject category Comment text
Deposit MINERALIZATION FOLLOWS 2-7 FT. ZONE OF CRUSHING AND SHEARING ALONG SW SIDE OF MCCARTY FAULT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey
Updater 01-JUN-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.

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.