Fields & Stoker Briggs Lease

Past Producer in Calaveras county in California, United States with commodities Chromium, Iron
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. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10211743
MRDS ID M005693
MAS/MILS ID 0060090140
Record type Site
Current site name Fields & Stoker Briggs Lease
Alternate or previous names Briggs Lease, Field and Stoker Mine
Related records 10109131

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -120.82072, 38.26911 (WGS84)
Elevation 305
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Jackson(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Mokelumne(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Calaveras

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 005 N 010 E 24 E2 California

Commodities

Commodity Importance
Chromium Critical Primary
Iron Tertiary

Materials information

Materials Type of material
Chromite Unknown
Serpentine Unknown
Uvarovite Unknown

Nearby scientific data

Main Entrance (1) -120.82072, 38.26911

Economic information

Ore body information

  • Thickness 0M
    Length 0M
    Width 0M
    Depth to top 0M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 OTHER
    Shape of Orebody #1 MASSIVE
    Primary mode of Origin MAGMATIC DIFFER
    Primary Ore Control LITHOLOGY
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 CARBONITIZATION
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 960404

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1917
Year of first production 1917

Mining district

District name Pardee Area

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category County

Ownership information

  • Type Owner
    Owner Fields And Stoker-Located Claim During Ww1
    Interest 100
    Home office California
    Year 1976
    First year 1917
  • Type Lessor
    Owner Fields And Stoker
    Home office California
    Year 1976
    First year 1917
  • Type Lessee/Operator
    Owner Briggs, A. L.
    Home office California
    Year 1976
    First year 1917

Reference information

Bibliographic references

  • Deposit

    CATER,F.W.,JR.,1948,CDM AND G BULL 134,PT.3,CHAP.2,P.51,PL.5

  • Deposit

    FOLIO NUMBER 2,JACKSON,USGS

  • Deposit

    CAL.COUNTY REPT NO.2,P.129 AND PL.D.

General comments

Subject category Comment text
Deposit THE DEPOSIT CONSISTED OF A FEW IRREGULAR NORTH-NORTHWESTER DING PODS AND LENSES OF MASSIVE- MEDIUM GRAINED CHROMITE WHI STEEPLY EASTWARD INSUFFICIENT DATA FOR MATRIX CALCULATIONS.

Reporter information

Type Date Name Affiliation Comment
Reporter 04-APR-1996 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.

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.