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

Brock

Producer in San Bernardino 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. 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. Reporter information

Geologic information

Identification information

Deposit ID 10109382
MRDS ID M020117
Record type Site
Current site name Brock

Geographic coordinates

Point of reference Centroid
Geographic coordinates: -116.17684, 34.84388 (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)

San Bernardino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Broadwell Lake(quadrangle 1:24,000 scale)

Newberry Springs(quadrangle 1:100,000 scale)

San Bernardino(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Mojave(hydrologic unit)

Northern Mojave(hydrologic accounting unit)

Northern Mojave-Mono Lake(hydrologic subregion)

California(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California San Bernardino

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino California

Commodities

Commodity Importance
Manganese Critical Primary

Comments on the commodity information

  • PRODUCED 104 TONS

Analytical data

Result ORE GRADE 39 PERCENT MANGANESE, 5 PERCENT IRON.

Nearby scientific data

Centroid (1) Quaternary alluvium and marine deposits
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Reference information

Bibliographic references

  • Deposit

    TRASK, PARKER. NOTES ON THE MANGANESE RESOURCES OF CALIF., 1944 , UNPUB

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.