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

Search Group

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. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10095109
MRDS ID M010734
Record type Site
Current site name Search Group

Geographic coordinates

Geographic coordinates: -122.58746, 38.61544 (WGS84)
Relative position 4 MILES WEST OF YOUNTVILLE

Site location context

Political divisions (FIPS codes)

Napa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Calistoga(quadrangle 1:24,000 scale)

Healdsburg(quadrangle 1:100,000 scale)

Santa Rosa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Pablo Bay(hydrologic unit)

San Francisco Bay(hydrologic accounting unit)

San Francisco Bay(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 009N 007W 24 California

Commodities

Commodity Importance
Copper Tertiary

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite

Nearby scientific data

(1) -122.58746, 38.61544
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner E. F. Rossan

Comments on the production information

  • VERY LITTLE WORK HAS BEEN DONE.

Comments on the workings information

  • SEVERAL TUNNELS.

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

General comments

Subject category Comment text
Deposit FLOAT NEAR MINERALIZED SERPENTINE
Deposit 8 CONTINUOUS CLAIMS.

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.