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Fort Jones Mine

Producer in Siskiyou county in California, United States with commodity Manganese
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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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10077718
MRDS ID W025612
Record type Site
Current site name Fort Jones Mine
Related records 10116872

Geographic coordinates

Geographic coordinates: -122.86473, 41.60317 (WGS84)
Elevation 914
Relative position 1/4 MI. BY ROAD S.E. OF FORT JONES, 18 MI. FROM YREKA.

Site location context

Political divisions (FIPS codes)

Siskiyou(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Fort Jones(quadrangle 1:24,000 scale)

Yreka(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)

Geographic areas

Country State County
United States California Siskiyou

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 043N 009W 03 California

Comments on the location information

  • UTM APPROX. ; INFO FROM LAND.ST :UNDETERMINED

Commodities

Commodity Importance
Manganese Critical Primary

Analytical data

Result AVERAGE GRADE 20 TO 25 PERCENT MANGANESE

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Mica Schist

Nearby scientific data

(1) -122.86473, 41.60317
ListMap

Economic information

Ore body information

  • Strike N 30 E
    Dip 60 SE
    Thickness 1.83M

Comments on the geologic information

  • GEOL.DESC: SILICEOUS MANGANESE OXIDE ORE BED STRIKES N 30 E AND DIPS 60 S.E. IT IS FAULTED OFF AT THE N. END, AND APPEARS TO LENSE OUT AT THE S. MAXIMUM THICKNESS IS 6 FT., NEAR N. END. WALL ROCKS ARE VERY MICACEOUS MICA QUARTZ SCHIST, WITH SOME GLAUCOPHANE SCHIST. NEAR N. END, ROCKS ARE INTRUDED BY 2 FT. THICK WEATHERED BASALT DIKE. ALL ROCKS ARE FRACTURED AND SHEARED. SILICEOUS MANGANESE OXIDE SURROUNDS SILICA CORES.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Reference information

Bibliographic references

  • Deposit

    D.O.M. BULL. 152 1950 P. 274

  • Deposit

    D.O.M. BULL. 125 1943 P. 184

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1978 Killman, K.; Albers, J. U.S. Geological Survey

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.