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Mohawk

Past Producer in Plumas county in California, United States with commodities Copper, Silver, Gold, Molybdenum
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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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10034129
MRDS ID M020837
Record type Site
Current site name Mohawk
Alternate or previous names Last Chance, Murdock Plumas Jumbo.

Geographic coordinates

Geographic coordinates: -120.14408, 39.89849 (WGS84)
Elevation 1905
Relative position 9 MILES NORTH OF CHILCOOT

Site location context

Political divisions (FIPS codes)

Plumas(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Frenchman Lake(quadrangle 1:24,000 scale)

Portola(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Fork Feather(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Plumas 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 Plumas

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 024N 016E 25 California

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Gold Secondary
Molybdenum Tertiary

Comments on the commodity information

  • SOME MOLYBDENITE ASSOCIATED

Materials information

Materials Type of material
Quartz Gangue

Analytical data

Result 6 - 8 % CU, 40 ? AU AND 2 OZ. AG

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -120.14408, 39.89849
ListMap

Economic information

Ore body information

  • Strike N 20 E
    Dip 80 W
    Thickness 3.05M
    Length 914.4M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No

Land status

Ownership category National Forest

Comments on the production information

  • 1913 : SHIPMENTS OF 8 TONS DAILY TO THE WESTERN ORE PURCHASING CO., RUNNING 6 % CU, TOTAL AS OF 1918 IS ABOUT 1000 TONS.

Comments on the workings information

  • 180 FT. INCLINED SHAFT OF 80 DEG., 3 LEVELS; 50 FT. WITH DRIFT 125 FT. NORTH, AT 120 FT. WITH DRIFT 125 FT. NORTH, AND AT 180 FT. WITH DRIFT 65 FT. NORTH, AND ABOUT 240 FT. OF CROSSCUTS. ORE HAS BEEN STOPED FROM 120 FT. LEVEL NORTH TO TUNNEL LEVEL.

Reference information

Bibliographic references

  • Deposit

    AVERILL, C.V., 1937 , MINERAL RESOURCES OF PLUMAS COUNTY: CALIF. JOUR. MINES AND GEOLOGY, VOL. 33 , NO. 2 : DIV. OF MINES, P. 133

  • Deposit

    MAC BOYLE, E., 1918 , PLUMAS COUNTY; 16TH REPT. STATE MIN.; CALIF. MIN. BUR., P. 60 - 61

  • Production

    MAC BOYLE, E., 1918

General comments

Subject category Comment text
Deposit SERIES OF PARALLEL VEINS - MAIN VEIN IS THE MOHAWK. ONE ORE SHOOT DEVELOPED 30 FT. LONG, AND AVERAGED 4 FT. IN WIDTH: OXIDIZED ZONE HAS DEPTH OF 50 FT. ANOTHER VEIN, STRIKING NW, DIPPING 50 E HAS BEEN CUT AT TUNNEL LEVEL, IT LIES EAST OF MAIN VEIN.
Deposit COMPRISED OF 40 ACRES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1978 Fraticelli, L. A. (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.