Stone Mine

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. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10235775
MRDS ID M006015
MAS/MILS ID 0060090417
Record type Site
Current site name Stone Mine
Alternate or previous names Coffer,Trask and Stone Lease, Trask, Longton Mine
Related records 10109155

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -120.60911, 38.00681 (WGS84)
Elevation 488
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

Angels Camp(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Stanislaus(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 002 N 012 E 24 N2 California

Commodities

Commodity Importance
Chromium Critical Tertiary
Iron Tertiary

Materials information

Materials Type of material
Chromite Unknown
Talc Unknown

Economic information

Ore body information

  • Thickness 0M
    Length 0M
    Width 0M
    Depth to top 0M
    Field Value
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 MASSIVE
    Type of Orebody #2 OTHER
    Shape of Orebody #2 LENTICULAR
    Primary mode of Origin MAGMATIC DIFFER
    Primary Ore Control LITHOLOGY
    Secondary Ore Control CONTACT ZONE
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 CARBONITIZATION
    Strike And Dip N55E:
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 820226

Economic information about the deposit and operations

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

Mining district

District name Black Creek Area

Mineral rights holdings

Type of mineral rights Located Claim

Ownership information

  • Type Owner
    Owner C. E. Longton-Owned The Land During W. W.1
    Home office California
    Year 1976
  • Type Operator
    Owner Coffer,Trask And Stone Leased Fromlongton During W. W.1.
    Home office California
    Year 1976
  • Type Owner
    Owner Charles J. Stone
    Home office California
    Year 1976

Reference information

Bibliographic references

  • Deposit

    CATER,F.W.JR.,1948,CDM AND G BULL134,PT.3,CHAP.2,P.46,AND PL

  • Deposit

    CAL.SPECIAL REPT.41,PL.3,AND P.52

  • Deposit

    COUNTY REPT.2,P.130,AND PL.B

  • Deposit

    USGS MAP GP-561

General comments

Subject category Comment text
Deposit ALL THE ORE BODIES ARE NEAR THE EAST CONTACT OF THE SERPENT. THE MINE HAS A RECORDED PRODUCTION OF 92 LONG TONS OF ORE, MOST OF WHICH CAME FROM THE MAIN SHAFT. INSUFFICIENT DATA FOR MATRIX CALCULATIONS.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Hayashi U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Authoritative California resources

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