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Summit

Past Producer in Shasta county in California, United States with commodities Gold, Zinc, Lead, Arsenic
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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. Geologic structures
  11. Ore body information
  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 10077610
MRDS ID W025314
Record type Site
Current site name Summit
Alternate or previous names Summit Gulch, Summit and Montezuma
Related records 10165229

Geographic coordinates

Geographic coordinates: -122.6961, 40.70902 (WGS84)
Elevation 1036
Relative position ABOUT 3 MILES W. OF FRENCH GULCH

Site location context

Political divisions (FIPS codes)

Shasta(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

French Gulch(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)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California Shasta

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 033N 007W 17,18,19 California

Comments on the location information

  • COORDINATES ACCURATE; SECTIONS PROJECTED. ; INFO FROM LAND.ST :UNDETERMINED

Commodities

Commodity Importance
Gold Primary
Zinc Critical Tertiary
Lead Tertiary
Arsenic Critical Tertiary

Comments on the commodity information

  • GOLD OCCURS WITH SULFIDES IN VEINS NEAR THEIR CONTACTS; SPHALERITE IS PRINCIPAL SULFIDE; ARSENOPYRITE OCCURS IN PORPHYRY DIKES AS WELL AS IN THE VEIN.

Materials information

Materials Type of material
Galena Ore
Gold Ore
Pyrite Ore
Sphalerite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate

Nearby scientific data

(1) -122.6961, 40.70902
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Fault Striking N 30 W, Dipping 50 Sw Truncates Main Vein Causing An Opposition In Dip Angle Of Vein.

Ore body information

  • General form PINCH AND SWELL
    Strike N 0 - 25 E
    Dip 40 - 65 E
    Thickness 1.52M
  • General form PINCH AND SWELL
    Dip 40 - 65 E

Comments on the geologic information

  • GEOL.DESC: SHEARED SLATE CUT BY 3 "BIRDSEYE" PORPHYRY DIKES; QUARTS VEINS A FEW INCHES TO 2 FT. THICK CUT DIKES; ORE LOCALIZED BY VEINS WITH OPPOSING DIPS; BEST ORE OCCURS NEAR PORPHYRY DIKES.

Economic information about the deposit and operations

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

Mining district

District name French Gulch

Workings at the site

  • Type of workings Underground
    Area 24.282HA

Comments on the workings information

  • 8 CLAIMS; LATER ADDITIONS TO A FEW HUNDRED FT. OF CROSSCUT ADITS, DRIFTS, SHAFTS INCLUDE 2 ADITS 100 , 400 FT WITH DRIFTS AND WINZES; LOCATED PRIOR TO 1896 .

Reference information

Bibliographic references

  • Deposit

    AVERILL, C.V., 1933 , GOLD LODES OF THE REDDING AND WEAVERVILLE QUADRANGLES: CDM REPT. 29 , P. 49 - 50

  • Deposit

    AVERILL, C.V., 1939 , MIN. RES. OF SHASTA COUNTY: CDM REPT. 35 , P. 152 - 153

  • Deposit

    BROWN, G.C., 1916 , SHASTA COUNTY: CMB REPT. 14 , P. 799

  • Deposit

    CRAWFORD, J.J., 1896 , THIRTEENTH REPT. OF THE STATE MINERALOGIST: CMB REPT. 13 , P. 365

  • Deposit

    5) FERGUSON, H.G., 1914 , GOLD LODES OF THE WEAVERVILLE QUADRANGLE, CAL.: U.S. GEOLOGICAL SURVEY BULL. 540 , P. 67.

  • Production

    FERGUSON, H.G., 1912

General comments

Subject category Comment text
Deposit NO OTHER INFORMATION FOUND.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1978 Tatkin, T.; Albers, John P. 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.