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Stewart Mine

Past Producer in San Bernardino county in California, United States with commodities Aluminum, Iron, Manganese, Phosphorus-Phosphates, 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. 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 10285920
MRDS ID M020131
MAS/MILS ID 0060710043
Record type Site
Current site name Stewart Mine
Alternate or previous names Juarez Mine, Stewart Manganese Mines
Related records 10109386

Geographic coordinates

Point of reference Trench
Geographic coordinates: -114.3966, 34.38334 (WGS84)
Elevation 354
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

San Bernardino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Havasu Lake(quadrangle 1:24,000 scale)

Parker(quadrangle 1:100,000 scale)

Needles(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Havasu-Mohave Lakes(hydrologic unit)

Lower Colorado(hydrologic accounting unit)

Lower Colorado(hydrologic subregion)

Lower Colorado(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 003 N 025 E 06 NWNENE California

Commodities

Commodity Importance
Aluminum Critical Tertiary
Iron Tertiary
Manganese Critical Tertiary
Phosphorus-Phosphates Tertiary
Silica Tertiary

Materials information

Materials Type of material
Calcite Unknown
Hematite Unknown
Psilomelane Unknown
Pyrolusite Unknown
Quartz Unknown

Nearby scientific data

Trench (1) -114.3966, 34.38334
ListMap

Economic information

Ore body information

  • Strike N12W
    Dip 65W
    Thickness 3M
    Length 35M
    Width 20M
    Depth to top 2M
    Field Value
    MAS Matrix # 1
    Type of Orebody #1 SHEAR ZONE
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 FISSURE VEIN
    Shape of Orebody #2 IRREGULAR
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin OXIDATION
    Primary Ore Control FAULTING
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 BLEACHING
    Type of Wallrock Alter. #2 PROPYLITIC
    Strike And Dip N12W:65W
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 2
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830316
  • Area 2HA
    Field Value
    Total Surface Area (HA) 2
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1941
Year of first production 1942

Mineral rights holdings

Type of mineral rights Other

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Federal Government-Bureau Of Land Management
    Interest 100
    Home office California
    Year 1976

Reference information

Bibliographic references

  • Deposit

    CALIF. DIV. MINES BULLETIN 125, 1943, P. 164.

  • Deposit

    CALIF. JOUR. MINES AND GEOL., V. 39, 1943, 496-497.

  • Deposit

    CALIF. DIV. MINES BULLETIN 152, 1950, P. 206-207.

  • Deposit

    CALIF. JOUR. MINES AND GEOL., V. 49, 1953, P. 121.

  • Deposit

    U.S. BUREAU OF MINES RI 5579, 1960, P. 43-44.

  • Deposit

    DEINO, A., AND NEIMI, L., 1976, CALIF. DIV. OF MINES MINERAL

  • Deposit

    PROPERTY REPORT, 3P.

  • Deposit

    U.S. BUREAU OF MINES OPEN-FILE REPORT MLA 50-87, 1987, APPENDIX

  • Deposit

    B, NO. 1, P. 92.

General comments

Subject category Comment text
Deposit 1-25-76-ADDITIONAL WORKING APPROX 450M SSW UP CANYON IS INCL 1-25-76-SECONDARY MINERALIZATION INCLUDES HEMATITE AND SOME (BLM) IN 1980. BACKUP INFORMATION CAN BE FOUND IN THE WFOC MINERAL PROPERTY FILES. (0060710043) 1-25-76-ADDITIONAL WORKING APPROX 450M SSW UP CANYON IS INCLINE CUT 1-25-76-SECONDARY MINERALIZATION INCLUDES HEMATITE AND SOME CALCITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 31-MAR-1991 Ridenour, James 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.