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Iron Dike

Past Producer in Plumas county in California, United States with commodity Copper
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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. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  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 10077090
MRDS ID W024520
Record type Site
Current site name Iron Dike
Alternate or previous names Copper Bull, Iron Dyke, Montgomery
Related records 10213182

Geographic coordinates

Geographic coordinates: -120.84437, 40.0646 (WGS84)
Elevation 1280
Relative position 1 MILE SOUTH OF TAYLORSVILLE

Site location context

Political divisions (FIPS codes)

Plumas(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Taylorsville(quadrangle 1:24,000 scale)

Susanville(quadrangle 1:100,000 scale)

Susanville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

East Branch North 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 025N;026N 010E;010E 02;33,34 California

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Malachite Ore
Quartz Gangue

Analytical data

Result PETTINGER VEIN: 12 % CU,

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -120.84437, 40.0646
ListMap

Economic information

Ore body information

  • Strike NW
    Dip 50 SW
    Length 762M

Controls for ore emplacement

  • Shear Zone

Comments on the geologic information

  • GEOL.DESC: HANGING (?) WALL-LIMESTONE, FOOT (?) WALL SANDSTONE AND FINE CONGLOMERATE. COUNTY ROCK IN WHICH FOUR SMALLER VEINS FOUND-SAID TO PROBABLY BE META-ANDESITE.

Economic information about the deposit and operations

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

Mining district

District name Taylorsville

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Underground
    Overall depth 60.96M

Comments on the workings information

  • MAIN TUNNEL NOW ( 1928 ) IN 700 FT. IS 200 FT. BELOW SURFACE IN PARTLY OXIDIZED MATERIL - OTHER TUNNELS AGGREGATE 2000 FT., ONE 60 FT. SHAFT ON PETTINGER VEIN. NEW WORKINGS ( 1936 ) INCLUDE A TUNNEL WHICH RUNS EAST AND STRIKES FOUR VEINS, FIRST ONE AT 350 FT. SECOND AT 400 FT., THIRD AT 450 FT., FOURTH AT 500 FT. SOME DRIFTING ON SECOND VEIN FOR ABOUT 300 FT., ALONG WITH A RAISE OF 30 FT. SOME CHALCOPYRITE ON THIRD VEIN.

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. 95

  • Deposit

    MAC BOYLE, E., 1918 , PLUMAS COUNTY; 16TH REPT. STATE MIN.; CALIF. MIN. BUR., P. 135 - 136

General comments

Subject category Comment text
Deposit TWO MAJOR VEINS; PETTINGER VEIN, AN IMPERFECT QUARTZ VEIN IN SLATE, STRIKING N 54 W, DIPS 50 SW, LENGTH PROVEN ON SURFACE 2500 FT. THE IRON DIKE VEIN, A SOLID NON-NICKELIFEROUS PYRRHOTITE IN SHEAR ZONE OF SANDSTONE NEAR WITH SERPENTINE, AND MONTGOMERY LIMESTONE OF THE GRIZZLY FORMATION AND TAYLOR CONGLOMERATE. VEIN VARIES FROM 10 - 50 FT. IN WIDTH, STRIKES N 13 W, DIPS 50 SW., WITH PROVEN LENGTH OF 2500 FT., TWO VEINS INTERSECT. ORE OCCURS AT INTERVALS-NOT WELL DEFINED SHOOTS.
Deposit COMPRISED OF 160 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.

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.