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Franklin Mine

Past Producer in Shasta county in California, United States with commodity Gold
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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. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10077607
MRDS ID W025310
Record type Site
Current site name Franklin Mine
Alternate or previous names Franklin and Milkmaid
Related records 10116537

Geographic coordinates

Geographic coordinates: -122.67027, 40.72235 (WGS84)
Elevation 610
Relative position ABOUT 3 MILES NW OF FRENCH GULCH ADJACENT TO MILKMAID MINE.

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)

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 California

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • BEST ORE FROM VEINS IN GRANITIC PORPHYRY CLOSE TO SLATE CONTACT

Materials information

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

Analytical data

Result SULFIDE ORE .75 % OF WEIGHT OF ORE
Result GOLD $150 PER TON IN ASSOCIATION WITH SULFIDES, $20 TO $45 PER TON IN MAIN VEIN.

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

Nearby scientific data

(1) -122.67027, 40.72235
ListMap

Economic information

Ore body information

  • General form LENTICULAR
    Thickness 1.22M

Controls for ore emplacement

  • Shear Zone

Comments on the geologic information

  • GEOL.DESC: 2 ORE VEINS, ONE STRIKES N 5 - 30 W DIPPING STEEPLY EAST; THE OTHER STRIKES E-W DIPPING ABOUT 70 N. A FEW HUNDRED FEET NORTH OF FRANKLIN MINE, SLATE OVERLIES GREENSTONE; DIORITE AND GRANITIC DIKES TO THE SOUTH AND GRANITIC DIKE AT DEPTH ON FOOTWALL; ORE VEIN VARIES FROM 12 IN. TO 4 FT.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Production years 1852 - 1907 AND INTERMITTANTLY TO 1926

Mining district

District name French Gulch

Comments on the production information

  • ONE OF OLDEST LODE GOLD PRODUCERS IN STATE; MORE THAN HALF OF PRODUCTION PRIOR TO 1907 ; FIGURES INCLUDE PRODUCTION FROM MILKMAID MINE.

Comments on the workings information

  • 2 ADIT LEVELS, RAISE ON VEIN 130 FT., CONNECT UPPER 2 ADITS, DRIFTS ON ALL LEVELS. UPPER WORKINGS IN SLATE, LOWER IN GRANITIC PORPHYRY

Reference information

Bibliographic references

  • Deposit

    AVERILL, C.V., 1926 , GOLD DEPOSITS OF REDDING AND WEAVERVILLE QUADRANGLES: CDM REPT. 23 , P. 37

  • Deposit

    LOGAN, C.A., 1926 , SACRAMENTO FIELD DIVISION: CMB REPT. 22 , P. 175 - 176

  • Deposit

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

  • Production

    LOGAN, C.A., 1926 : CMB REPT. 22 , P. 175

General comments

Subject category Comment text
Deposit FRANKLIN AND MILKMAID ARE 2 ADJACENT CLAIMS REPORTED IN THE LITERTURE AS BOTH SINGLE AND COMBINED HOLDINGS.

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.