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Roberts Sand Company

Past Producer in Contra Costa county in California, United States with commodities Sand and Gravel, Construction, Silica
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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 10259966
MRDS ID M007151
MAS/MILS ID 0060130012
Record type Site
Current site name Roberts Sand Company
Alternate or previous names Black Diammond
Related records 10029544

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -121.88414, 37.9574 (WGS84)
Elevation 256
Location accuracy 500(meters)

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)

Geographic areas

Country State County
United States California Contra Costa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 001 N 001 E 05 SE California

Commodities

Commodity Importance
Sand and Gravel, Construction Tertiary
Silica Primary

Nearby scientific data

Ore Body (1) -121.88414, 37.9574
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Both
Significant No

Land status

Ownership category Unknown

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. V.47, NO.4, OCT. 1951PP.583-4; V. 54, NO.4, OC

  • Deposit

    P.580, PL. 5.

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.

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.