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Gazelle Mountain Chrome Mine

Past Producer in Siskiyou 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. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10286745
MAS/MILS ID 0060930442
Record type Site
Current site name Gazelle Mountain Chrome Mine
Alternate or previous names Masterson Claim, Gazelle Mountain Mine, C.J.Masterson Claim

Geographic coordinates

Point of reference Trench
Geographic coordinates: -122.60891, 41.42924 (WGS84)
Elevation 1707
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Siskiyou(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

China Mountain(quadrangle 1:24,000 scale)

Mount Shasta(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Scott(hydrologic unit)

Klamath(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Klamath National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Siskiyou

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 041 N 007 W 01 E2SWNW California

Commodities

Commodity Importance
Chromium Critical Tertiary
Iron Tertiary

Materials information

Materials Type of material
Calcite Unknown
Chromite Unknown
Olivine Unknown
Pyroxene Unknown
Serpentine Unknown

Nearby scientific data

Trench (1) -122.60891, 41.42924
ListMap

Economic information

Ore body information

  • Strike N35E
    Dip 75W
    Width 4M
    Area 5HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 BRECCIA FILL
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 DISSEMINATED
    Shape of Orebody #2 LENTICULAR
    Primary mode of Origin MAGMATIC DIFFER
    Primary Ore Control FAULTING
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 CARBONITIZATION
    Type of Wallrock Alter. #2 SILICIFICATION
    Strike And Dip N35E:75W
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 5
    Date of Last Modification 780831

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1900
Year of first production 1900

Mining district

District name Gazelle Mountain

Mineral rights holdings

Type of mineral rights Other

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Mr. Dozier-Owned In 1900
    Interest 100
    Home office California
    Year 1976
  • Type Operator
    Owner F. S. Pollock,Hugh Williamson,J. K. Remsen,Thompson And Hayden
    Home office California
    Year 1976

Workings at the site

  • Type of workings Surface
    Area 5HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Mining Method BENCH (BERM)
    Avg. Overburden Thickness 0
    Primary Material Cover M-HARD ROCKS
    Percentage 100
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 3
    Max. Pit Slope (degrees) 30
  • Type of workings Underground
    Overall depth 8M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Mining Method TIMBERED STOPES
    Swell Factor .6
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 3
    Length of Inclines (m) 10
    Slope of Inclines 30
    Number of Inclines 2
    Avg. Length of Adits (m) 75
    Number of Adits 7
    1st Condition of Workings PART ACCESSIBLE
    2nd Condition of Workings CAVED AT PORTAL
    3rd Condition of Workings SEALED

Reference information

Bibliographic references

  • Deposit

    WELLS,F.G.,CATER,F.W.,1950,CDM AND G BULL 134,PT.1,CHAP.2,10

  • Deposit

    USGS BULL 725,P.2-3

  • Deposit

    BULL 134 GEOL INVEST OF CHROMITE IN CAL. PTI,CHAP 2, DEPOSIT

  • Deposit

    SISKIYOU CO. 1946 P.103

General comments

Subject category Comment text
Deposit THE SERPENTIN IS INTERLAYERED WITH SEDIMENTARY ROCKS. THE ORE ASSAYED 41.65 TO 42.53 PERCENT CR2O3. INSUFFICIENT DATA FOR MATRIX CALCULATIONS. 0.61,CR/FE 2.07.

Reporter information

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