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

Unity ? Claim

Occurrence in Contra Costa county in California, United States with commodity Silver
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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. General comments
  12. Reporter information

Geologic information

Identification information

Deposit ID 10092010
MRDS ID M007204
Record type Site
Current site name Unity ? Claim

Geographic coordinates

Geographic coordinates: -121.92521, 37.90323 (WGS84)
Relative position NW1/4 NW1/4

Site location context

Political divisions (FIPS codes)

Contra Costa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Clayton(quadrangle 1:24,000 scale)

Stockton(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Suisun Bay(hydrologic unit)

San Francisco Bay(hydrologic accounting unit)

San Francisco Bay(hydrologic subregion)

California(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States California Contra Costa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 001N 001W 25 California

Commodities

Commodity Importance
Silver Primary

Economic information

Comments on the geologic information

  • GEOL.DESC: WHITE QUARTZ VEIN IN BRECCIATED DIABASE. VEIN CONTAINS SOME CHALCOPYRITE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    CALIF. SP. REPT. 80, P. 21

General comments

Subject category Comment text
Deposit PROSPECTED FOR AG.

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.