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

Bronsen Manganese Claim

Occurrence in Mariposa 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. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10285623
MAS/MILS ID 0060430721
Record type Site
Current site name Bronsen Manganese Claim

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -120.19489, 37.56412 (WGS84)
Elevation 460

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hornitos(quadrangle 1:24,000 scale)

Oakdale(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Fresno River(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004 S 016 E 27 NENWNW California

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Chert Unknown
Limonite Unknown
Psilomelane Unknown
Rhodonite Unknown

Nearby scientific data

Ore Body (1) -120.19489, 37.56412
ListMap

Economic information

Ore body information

  • Strike N35W
    Dip 75W
    Thickness 2M
    Length 75M
    Width 20M
    Depth to top 9M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 SHEAR ZONE
    Shape of Orebody #1 UNKNOWN
    Shape of Orebody #2 LENTICULAR
    Primary Ore Control FAULTING
    Strike And Dip N35W:75W
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830316

Comments on the geologic information

  • GANGUE IS HIGHLY SILICEOUS WITH STRINGERS AND BUNCHES OF LIMONITE

Economic information about the deposit and operations

Operation type Surface
Development status Occurrence
Commodity type Metallic
Significant No
Discovery year 1917

Mineral rights holdings

Type of mineral rights Other

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Brownsen Estate Ranch
    Interest 100
    Home office California
    Year 1978
  • Type Operator
    Owner Ace Alexander
    Home office California
    Year 1978

Comments on the reserve resource information

  • ORE IS 20% MN, 0.065% P, 4% FE, AND 55% SILICA

Reference information

Bibliographic references

  • Deposit

    USBM MINERAL PROPERTY FILE # 41.19, WFOC.

General comments

Subject category Comment text
Deposit ORE ZONES ARE THREE PARALLEL LENSES, THE LARGEST ONE AVERAGES 5 FEET WIDE

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Benjamin 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.