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  3. Mineral Resource Data System (MRDS)

Sybil

Past Producer in Shasta county in California, United States with commodities Gold, Lead, 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. Reporter information

Geologic information

Identification information

Deposit ID 10077603
MRDS ID W025306
Record type Site
Current site name Sybil
Alternate or previous names Accident, Anaconda, Shasta Hills
Related records 10189321

Geographic coordinates

Geographic coordinates: -122.70221, 40.72596 (WGS84)
Elevation 762
Relative position 4 MILES NORTHWEST 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 07 California

Comments on the location information

  • COORDINATES ESTIMATED; SECTION PROJECTED. ; INFO FROM LAND.ST :UNDETERMINED

Commodities

Commodity Importance
Gold Primary
Lead Tertiary
Zinc Critical Tertiary

Materials information

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

Analytical data

Result ORE VARIED FROM $30 - $600/TON.

Host and associated rocks

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

Nearby scientific data

(1) -122.70221, 40.72596
ListMap

Economic information

Ore body information

  • Strike N 80 W
    Dip 50 N
    Thickness 1.22M
    Length 27.43M
    Depth to top 0M
    Depth to bottom 60.96M

Controls for ore emplacement

  • Contact Of Slate And Diorite Porphyry

Comments on the geologic information

  • GEOL.DESC: ORE CONCENTRATED IN QUARTZ VEINS IN DIORITE PORPHYRY NEAR CONTACT WITH SLATE; CALCITE CUTS VEINLETS OF QUARTZ AND ARSENOPYRITE ABOUT .1 INCH THICK; PYRITE OCCURS IN IRREGULAR PATCHES IN QUARTZ, LESS COMMON IN ALTERED DIKE ROCK NEAR VEINS; GALENA SCATTERED THROUGH QUARTZ, COMMONEST NEAR WALLS; SMALLER AMOUNTS OF SPHALERITE ASSOCIATED WITH GALENA, BUT MORE DISSEMINATED IN PORPHYRY; VISIBLE GOLD PLATE OCCUR WITH SMALL PATCHES OF GALENA; GOLD PRODUCED FROM ORE SHOOTS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1913 - 1930'S

Mining district

District name French Gulch

Workings at the site

  • Type of workings Underground
    Area 145.692HA
    Overall depth 60.96M

Comments on the workings information

  • 20 CLAIMS; SEVERAL ADIT LEVELS COVERING 200 FT. VERTICAL RANGE; WINZE 150 FT. BELOW MAIN (6TH) LEVEL.

Reference information

Bibliographic references

  • Deposit

    AVERILL, C.V., 1933 , GOLD DEPOSITS OF THE REDDING AND WEAVERVILLE QUADRANGLE: CDM REPT. 29 , P. 50

  • Deposit

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

  • Deposit

    BROWN, G.C., 1916 , SHASTA COUNTY: CMB REPT. 14 , P. 777

  • Deposit

    FERGUSON, H.G., 1912 , GOLD LODES OF THE WEAVERVILLE QUADRANGLE, CAL.: U.S. GEOLOGICAL SURVEY BULL. 540 , P. 68 - 69.

  • Deposit

    5) LOGAN, C.A., 1926 , SACRAMENTO FIELD DIVISION: CMB REPT. 22 , P. 178 - 179 .

  • Deposit

    6) LYDON, P.A. AND O'BRIEN, J.C., 1974 , MINES AND MIN. RES. OF SHASTA COUNTY: CDMG, COUNTY REPT 6 , 154 P.

  • Production

    LYDON, P.A. AND O'BRIEN, J.C., 1974

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.

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.