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Porteous Mine

Occurrence 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. 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 10028761
MRDS ID M005944
Record type Site
Current site name Porteous Mine
Related records 10138260

Geographic coordinates

Geographic coordinates: -120.71712, 38.23963 (WGS84)
Relative position 4 MI. S OF MOKELUMNE HILL; ON THE TUNNEL RIDGE CHANNEL

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

San Andreas(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Calaveras(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 005N 011E 36 California

Commodities

Commodity Importance
Gold Primary

Economic information

Comments on the geologic information

  • GEOL.DESC: OLD DRIFT PROPERTY. TWO TUNNELS, 400 AND 500' IN LENGTH, SAID TO HAVE RECENTLY BEEN CLEANED OUT AND RETIMBERED. AN OLD COX PAN-MILL IS AT THE MINE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    CALIF. V. 32, NO. 3, P. 349 AND PL.

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.