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Osceola Group

Past Producer in Sierra 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. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10103105
MRDS ID M021725
Record type Site
Current site name Osceola Group
Alternate or previous names Yellow-Jacket, Colorado

Geographic coordinates

Geographic coordinates: -120.83936, 39.47322 (WGS84)
Relative position FROM NE TO E 1/2 MI. FROM ALLEGHANY

Site location context

Political divisions (FIPS codes)

Sierra(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Alleghany(quadrangle 1:24,000 scale)

Truckee(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Yuba(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Tahoe 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 Sierra

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 019N 010E 34 California

Comments on the location information

  • UTM EST. ADIT NE 1/4

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • ONE SHOOT YIELDED $30000 , ANOTHER YIELDED $60000 .

Materials information

Materials Type of material
Arsenopyrite Ore
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite

Nearby scientific data

(1) -120.83936, 39.47322
ListMap

Economic information

Comments on the geologic information

  • IRREGULAR QTZ. VEIN W MINOR POST MINERAL FAULTING W GOUGE STREAKS, GROOVED N 60 E WHERE RECORDED. AMPHIBOLITE SCHIST COUNTRY ROCK IS CUT BY NARROW SERPENTINE AND GABBRO DIKES, IN PLACES W/O SHARP CONTACTS. STRIKE CHANGES FROM N 42 W , DIP 55 - 60 NE TO N 66 W , DIP 75 - 80 NW. STRIKE CHANGE MAY REPRESENT ANOTHER SPLIT IN VEIN SO THAT AN UNEXPLORED SEGMENT LIES TO N . MARIPOSITTE ABUNDANT ONLY NR SERPENTINE, IN PART, AU IS ASSOCIATED W CRUSHED ARSENOPYRITE.

Economic information about the deposit and operations

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

Comments on the production information

  • PRODUCTION SINCE EARLY DAYS.

Comments on the workings information

  • THREE ADITS. UPMOST A SHORT DISTANCE BELOW LAVA, HAS 120 FT. DRIFTS; MIDDLE ADIT, CAVED NEAR PORTAL. LOWEST ADIT CAVED 200 FT. FROM PORTAL IS 1550 FT..

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit VEIN, ORE SHOOT
Deposit 1925 OWNER - R. W. GILLESPIE, FERGUSON AND GANNETT, 1932 . ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-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.

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.