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Gold Cliff Mine

Past Producer in Calaveras county in California, United States with commodity Gold
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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. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10102723
MRDS ID M006486
Record type Site
Current site name Gold Cliff Mine
Alternate or previous names Claims: Pilot Knob, Gold Cliff, Madison Fairfax, Excelsior, Peachy No. 1, Peachy No. 2

Geographic coordinates

Geographic coordinates: -120.54518, 38.06602 (WGS84)
Elevation 427
Relative position JUST WEST OF ANGELS CAMP

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Angels Camp(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(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 003N 013E 33 California

Comments on the location information

  • UTM ACC SW 1/4 SEC

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • ORE IS CRUSHED AMPHIBOLITE SCHIST. FINE CRYSTALS OF PYRITE CARRY MORE ORE THAN COARSE CRYSTALS.

Materials information

Materials Type of material
Gold Ore
Pyrite Ore
Quartz Gangue

Analytical data

Result ORE FROM $2 - $2.50 PER TON AU

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Economic information

Geologic structures

Type of structure Local
Structure description Nearly Horizontal Fault Between 1600 And 1700 Ft Levels - Several Hundred Ft Displacement - Orebody Displaced To N.

Ore body information

  • Strike NW
    Dip NE
    Thickness 30.48M

Economic information about the deposit and operations

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

Comments on the production information

  • DISCOVERED 1850 , 1850 - 1884 , 1884 - 1920 , SAMPLE CUT 1930

Comments on the workings information

  • DEVELOPED BY 1700 FT INCLINED SHAFT AND OPEN CUT EXTENSIVE UNDER GROUND WORKINGS, OVER SEVERAL THOUSAND FEET IN LENGTH ORE SHOOT VARIED FROM 30 - 65 DEG. DIP W/AVG. OF 45 TO N DOWN TO 1600 FT LEVEL

Reference information

Bibliographic references

  • Deposit

    CLARK, W. B., LYDON, P. A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.; COUNTY REPORT 2 ; CALIF. DIV. OF MINES AND GEOLOGY, P. 34 - 35 , 55 , 62 , 153 , 165 AND PL B.

  • Deposit

    LOGAN, C. A., 1934 , THE MOTHER LODE GOLD BELT OF CALIF.; CALIF. DIV. OF MINES, BULL. 108 , PG. 140 - 141 .

  • Deposit

    LOGAN, C. A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 32 , NO. 3 ; DIV. OF MINES, P. 306 AND 312 .

  • Production

    CLARK ( 1962 ), LOGAN 1934

General comments

Subject category Comment text
Deposit ORE IS MINERALIZED SCHIST CUT BY NUMEROUS QTZ VEINS AND VEINLETS, DIP FLATTENS TO AS LITTLE AS 7 DEG AT DEPTH. MASSIVE BARREN QTZ IN UPPER WORKINGS IS HANGING WALL BUT AT DEPTH HANGING WALL IS GROOVED AMPHIBOLITE SCHIST. GOLD CLIFF VEIN SYSTEM INTERSECTS UTICA VEIN SYSTEM 2700 FT BELOW SURFACE. AVE. DIP AT SURFACE IS 45 DEG.
Deposit 25 ACRES ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1979 Mateik, R.; Albers, John P. U.S. Geological Survey

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.