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James Corbett Blyes

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

Geologic information

Identification information

Deposit ID 10260972
MRDS ID W023572
MAS/MILS ID 0060190038
Record type Site
Current site name James Corbett Blyes
Alternate or previous names James Corbett Mine, Corbett-Byles Mines
Related records 10076524

Geographic coordinates

Point of reference Trench
Geographic coordinates: -120.55568, 36.30915 (WGS84)
Elevation 1189
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Fresno(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Santa Rita Peak(quadrangle 1:24,000 scale)

Coalinga(quadrangle 1:100,000 scale)

Monterey(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Tulare-Buena Vista Lakes(hydrologic accounting unit)

Tulare-Buena Vista Lakes(hydrologic subregion)

California(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 Fresno

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 019 S 013 E 03 NENW California

Commodities

Commodity Importance
Chromium Critical Tertiary
Iron Tertiary

Materials information

Materials Type of material
Chromite Unknown
Olivine Unknown
Pyroxene Unknown
Serpentine Unknown
Talc Unknown
Uvarovite Unknown

Nearby scientific data

Trench (1) -120.55568, 36.30915
ListMap

Economic information

Ore body information

  • Dip 90N
    Thickness 5M
    Length 10M
    Width 10M
    Area 1.5HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 PIPELIKE
    Shape of Orebody #2 LENTICULAR
    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
    Strike And Dip :90N
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 1.5
    Date of Last Modification 820421

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1910
Year of first production 1954

Mining district

District name New Idria

Mineral rights holdings

Type of mineral rights Fee Ownership

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Marmac Resources Co.-Mareco Mining Division (Owner)
    Interest 100
    Home office California
    Year 1976

Comments on the production information

  • TOTAL PROD(1954-1955) 530 METRIC TONS CONCENTRATES (MILLED FR TONS ORE AVERAGING 11% CR2O3),11 TONS MASSIVE ORE. CONCENTRAT 46.9% CR2O3, 12.4% FE, CR/FE=2.6. LUMP ORE RAN 44.5% CR2O3,9. CR/FE=3.4. LITTLE ORE IN SIGHT-NOPUBLISHED RESERVES. NEARBY ESTATE MINE BEING DEVELOPED IN JANUARY 1976 AVERAGE MINABLE GRADE OF CHROMITEIS 44.5% & IRON IS 9.1% INSUFFICIENT DATA FOR MATRIX CALCULATIONS ANALYSIS BY CDMG IN 1976 GAVE FOLLOWING PERCENTAGES-MASSIVE 2 12.66, CR2O3 36.54, FEO 08.47, TOTAL FE 12.87, AL203 11.34, MGO CR/FE 2.50. DISSEMINATED ORE=S102 06.50, CR2O3 45.67, FEO 10.58 FE 14.47, AL203 08.50, MGO 10.78, CR/FE 2.78. DISSEMINATED ORE, F INED=S102 4.90, CR2O3 45.67, FEO 13.50, TOTAL FE 16.08, AL203 7. 12.44, CR/FE 2.50.

Workings at the site

  • Type of workings Surface
    Area 1.5HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Mining Method OPEN PIT
    Swell Factor .6
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 6

Reference information

Bibliographic references

  • Deposit

    USBM MINERAL YEARBOOK V.3 P. 207,1954

  • Deposit

    U.S.B.M MINERAL YEARBOOK V.3 ,P. 210,1955

  • Deposit

    CAL DIV MINES & GEOL SPEC REPT 71,19PP. 1961

Reporter information

Type Date Name Affiliation Comment
Reporter 05-NOV-1984 Unknown U.S. Bureau of Mines

Beyond USGS

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

External references

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.