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  3. Mineral Resource Data System (MRDS)

Twin Peaks Mine

Past Producer in Napa county in California, United States with commodity Mercury
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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. Land status
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10188899
MAS/MILS ID 0060550120
Record type Site
Current site name Twin Peaks Mine

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -122.53527, 38.66208 (WGS84)
Elevation 561
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Napa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Detert Reservoir(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 009 N 006 W 04 NW California

Commodities

Commodity Importance
Mercury Primary

Nearby scientific data

Main Entrance (1) -122.53527, 38.66208
ListMap

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No

Land status

Ownership category Unknown

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. V. 44, NO. 2, APRIL, 1948, PP. 182-3

  • Deposit

    JOUR. V. 42, NO. 3, JULY 1946, PP. 267-8

  • Deposit

    JOUR. V. 35, NO. 4, OCTOBER 1939, P. 415

Reporter information

Type Date Name Affiliation Comment
Reporter 04-NOV-1983 Western Field Operations Center (WFOC) U.S. Bureau of Mines

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.