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  3. Mineral Resource Data System (MRDS)

Big Rock Claim

Prospect in Trinity 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. Mineral rights holdings
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10214368
MRDS ID M020301
MAS/MILS ID 0061050013
Record type Site
Current site name Big Rock Claim
Related records 10095209

Geographic coordinates

Point of reference Trench
Geographic coordinates: -123.45302, 40.64984 (WGS84)
Elevation 914
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Trinity(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hyampom Mountain(quadrangle 1:24,000 scale)

Hayfork(quadrangle 1:100,000 scale)

Redding(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Fork Trinity(hydrologic unit)

Klamath(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Shasta-Trinity National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Trinity

Public Land Survey System information

Meridian Township Range Section Fraction State
Humboldt 003 N 006 E 12 SW California

Commodities

Commodity Importance
Manganese Critical Tertiary

Nearby scientific data

Trench (1) -123.45302, 40.64984
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Significant No
Discovery year 1940

Mineral rights holdings

Type of mineral rights Located Claim

Ownership information

  • Type Owner
    Owner Emil V Lehmann Jr
    Home office California
    Year 1974
  • Type Owner
    Owner Rowland, William
    Home office California
    Year 1974

Reference information

Bibliographic references

  • Deposit

    CALIF BULL 125 P 195

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.