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Big Dyke

Past Producer in Shasta county in California, United States with commodities Silver, Gold, Lead, Copper, Zinc
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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. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10033803
MRDS ID M020450
Record type Site
Current site name Big Dyke

Geographic coordinates

Geographic coordinates: -122.57777, 40.53291 (WGS84)
Elevation 610
Relative position 4 MILES NW OF IGO

Site location context

Political divisions (FIPS codes)

Shasta(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Igo(quadrangle 1:24,000 scale)

Redding(quadrangle 1:100,000 scale)

Redding(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Shasta

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 031N 006W 17,18,19,20 California

Commodities

Commodity Importance
Silver Primary
Gold Primary
Lead Tertiary
Copper Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Gold Ore
Silver Ore
Sphalerite Ore
Tetrahedrite Ore
Quartz Gangue

Analytical data

Result ASSAYS $20 - $400 AG/TON

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -122.57777, 40.53291
ListMap

Economic information

Ore body information

  • Strike N 60 E
    Dip ALMOST VERTICAL
    Thickness 0.91M

Controls for ore emplacement

  • Fissures

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name West Shasta Copper-Zinc

Workings at the site

  • Type of workings Underground
    Area 56.658HA
    Length 244.75M
    Overall depth 46.63M

Comments on the workings information

  • CLAIM NAMES: EDNA, LITTLE DYKE, ALTA, HELEN, DYKE, EXTENSION AND BIG DYKE. DEVELOPMENT CONFINED TO BIG DYKE.

Reference information

Bibliographic references

  • Deposit

    LOGAN, C. A., 1926 , SACRAMENTO FIELD DIVISION: 22ND REPT. STATE MI CALIF. MIN. BUR., P. 204

General comments

Subject category Comment text
Deposit SERIES OF ROUGHLY PARALLEL VEINS; THEY ARE OXIDIZED AND LEACHED TO DEPTH 20 - 50 FT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-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.