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

Old Stiff Mine

Producer in Calaveras county in California, United States with commodity Gold
Map
XML
JSON
KML
C
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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Links to other databases
  10. Bibliographic references
  11. Reporter information

Geologic information

Identification information

Deposit ID 10109187
MRDS ID M006992
Record type Site
Current site name Old Stiff Mine
Related records 10284096

Geographic coordinates

Geographic coordinates: -120.46017, 38.06658 (WGS84)
Relative position 3 MI. SE OF VALLECITO; ADJOINS THE OLD SLOANE AND FINE GOLD HYDRAULIC MINES.

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Columbia(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 014E 32 California

Commodities

Commodity Importance
Gold Primary

Economic information

Comments on the geologic information

  • GEOL.DESC: COMMENCED OPERATIONS IN AUGUST 1935; PLANNED TO DRIVE AN 800' TUNNEL INTO THE SIDE OF THE HILL IN ORDER TO GET UNDER THE COLUMBIA OR CATARACT CHANNEL. GRAVEL IS THOUGHT TO BE SLIGHTLY CEMENTED. COUNTRY ROCK IS A SOFT, DECOMPOSED LIMESTONE.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Comments on the production information

  • ACTIVE 1890S; ABOUT 6800 YDS. GRAVEL HYDRAULICKED 1902-03.

Comments on the workings information

  • FOUR MEN WORKING IN 1935, USING HAND TOOLS.

Reference information

Bibliographic references

  • Deposit

    CALIF. V. 32, NO. 3, P. 348-9, 361 AND PL. 6

  • Deposit

    CALIF. REPT. 21, P. 161; COUNTY REPT. NO. 2, P. 204

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. 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.