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Feliciana

Past Producer in Mariposa county in California, United States with commodities Gold, Silver, Lead, 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. Economic information about the deposit and operations
  12. Production statistics
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10105949
MRDS ID W024173
Record type Site
Current site name Feliciana
Related records 10139780

Geographic coordinates

Geographic coordinates: -119.92515, 37.59104 (WGS84)
Elevation 1113
Relative position 7 1/2 MI. NNE OF MARIPOSA

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Feliciana Mountain(quadrangle 1:24,000 scale)

Yosemite Valley(quadrangle 1:100,000 scale)

Mariposa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Merced(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Federal lands

Sierra 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 Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004S;004S 018E;019E 12,13;07,18 California

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Lead Secondary
Copper Secondary

Comments on the commodity information

  • THE PRINCIPAL ORE SHOOT HAS DEVELOPED ALONG THE INTERSECTION OF THE MAIN VEIN WITH THE SECONDARY VEIN INTERSECTING IT.

Materials information

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

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
  • Host or associated Host
    Rock type Metamorphic Rock > Phyllite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Economic information

Ore body information

  • Strike N 37.5 W
    Dip 72.5 SW

Comments on the geologic information

  • GEOL.DESC: GRAPHITIC AND HORNFELSIC SLATES AND SCHISTS. FELICIANA VEIN AVE. 2.5 - 3.5 FT. THICK STRIKE 35 - 40 NW, DIPS 70 - 75 SW, WITH SURFACE EXPOSURE FOR NEARLY 1000 VERTICAL FT. BESIDES STEEPLY DIPPING SECONDARY VEIN INTERSECTING IT AT 20 DEGREES, ARE TWO MINOR VEINS JOINING THE VEIN FROM THE EAST OR FOOTWALL SIDE, LARGELY UNEXPLORED. CUT BY SMALL QTZ. DIORITE DIKES.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1924 - 1934 , 1941 - 1943

Production statistics

  • Year 1934
    Period - 1934
    Material AU
    Accuracy Accurate
    Description Cp_Grade: ^.74 Oz/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Gold Gold 24g/mt
  • Year 1943
    Period - 1943
    Material AU
    Accuracy Accurate
    Description Cp_Grade: ^.65 Oz/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Gold Gold 21g/mt

Comments on the production information

  • BETWEEN 1941 AND 1943 A TOTAL OF 4428 TONS OF ORE YIELDED 2873.1 OZ. OF AU AND 465 OZ. OF AG.

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 57.91M

Comments on the workings information

  • 340 FT. CROSSCUT ADIT. SEVERAL HUNDRED FT. OF DRIFTS, A WINZE CONNECTING WITH LOWER LEVELS AND DRIFTS. DOWNSLOPE TUNNEL 300 FT. BELOW. FELICIANA ADIT IS 1400 FT. LONG AND CONNECTS TO THE OLDER VEIN VIA AN 80 FT. RAISE.

Reference information

Bibliographic references

  • Deposit

    BOWEN, O. E., JR., & GRAY, H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIF.: CALIF. JOUR. MINES & GEOL., VOL. 53 , NOS. 1 & 2 , P. 98 - 99 , 260 .

  • Deposit

    LAIZURE, C. MCK., 1935 , CURRENT MINING ACTIVITIES IN THE SAN FRANCISCO DISTRICT WITH SPEC. REF. TO GOLD: CALIF. JOUR. MINES & GEOL., VOL. 31 , NO. 1 , P. 33 .

  • Production

    BOWEN AND GRAY, 1957

General comments

Subject category Comment text
Deposit VEIN, ORE SHOOTS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1979 Hayden, F. (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.