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  3. Mineral Resource Data System (MRDS)

Napa Copper

Occurrence in Napa 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. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Ownership information
  11. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10095110
MRDS ID M010762
Record type Site
Current site name Napa Copper

Geographic coordinates

Geographic coordinates: -122.44162, 38.70988 (WGS84)
Relative position 5 MILES NORTH OF CALISTOGA

Site location context

Political divisions (FIPS codes)

Napa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Aetna Springs(quadrangle 1:24,000 scale)

Healdsburg(quadrangle 1:100,000 scale)

Santa Rosa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Napa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 010N 005W 17 California

Commodities

Commodity Importance
Copper Tertiary

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite

Nearby scientific data

(1) -122.44162, 38.70988
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner Napa Copper Co.

Workings at the site

  • Type of workings Underground
    Length 137.16M

Comments on the workings information

  • 400 FT. ADIT AND 50 FT. SHAFT

Reference information

Bibliographic references

  • Deposit

    BRADLEY, W.W., 1916 : NAPA COUNTY: 14 TH REPT. STATE MIN.: CALIF. MIN. BUR., P. 269

  • Deposit

    ERIC, J.H., 1948 : COPPER IN CALIFORNIA BULL. 144 : DIV. OF MINES, P. 276

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 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.