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

Overacker Mine

Occurrence in Alameda county in California, United States with commodity Manganese
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Links to other databases
  9. Bibliographic references
  10. Reporter information

Geologic information

Identification information

Deposit ID 10033446
MRDS ID M020005
Record type Site
Current site name Overacker Mine

Geographic coordinates

Point of reference Centroid
Geographic coordinates: -121.87857, 37.64266 (WGS84)
Relative position Original record had no coordinates, so this was plotted to the middle of the state/county area.

Site location context

Political divisions (FIPS codes)

Alameda(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dublin(quadrangle 1:24,000 scale)

Stockton(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Francisco 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 Alameda

Comments on the location information

  • EXACT LOCATION UNKNOWN

Commodities

Commodity Importance
Manganese Critical Tertiary

Nearby scientific data

Centroid (1) -121.87857, 37.64266
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: MANGANESE IMPREGNATES THE SHALES

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    TRASK, PARKER, NOTES ON THE MANGANESE DEPOSITS OF CALIFORNIA, 1944 , UNPUBLISHED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-77 Killman, K.; 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.