Arcade

Past Producer in Sierra county in California, United States with commodity Gold
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. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10086508
MRDS ID X025372
Record type Site
Current site name Arcade
Related records 10141094

Geographic coordinates

Geographic coordinates: -120.8252, 39.45822 (WGS84)
Elevation 1219
Relative position 1 MI SE OF 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 018N 010E 02 California

Comments on the location information

  • UTM EST. SE 1/4 SW 1/4 NEAR HEAD OF JACKASS RAVINE.

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

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

Nearby scientific data

(1) -120.8252, 39.45822

Economic information

Ore body information

  • Strike N 30 W
    Dip 50 NE

Comments on the geologic information

  • UPPER ADIT COUNTR ROCK IS DARK SLATE AND SCHIST; ONLY ONE DISTINCT VEIN PRESENT, ALTHOUGH A LITTLE QTZ IN E DIPPING SLIP MAY BE E VEIN OF LOWER ADIT. LOWER ADIT WALLRX ARE AMPHIBOLITE SCHIST AND SLATY PHASES, ALSO CUT BY GABBRO & DIORITE DIKES W SOME GREENSTONE TUFFACEOUS SCHIST, SHEARED BLACK SCHIST. 2 VEINS & 3 RD WHICH MAY UNITE W ONE. STEEPLY DIPPING GOUGE. EVIDENCE OF POST MINERAL FAULT MOVEMENT IN LOWER ADIT ESPECIALLY. THE E VEIN IS DISPLACED BY A FAULT AT SMALL ANGLE TO VEIN.

Economic information about the deposit and operations

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

Comments on the production information

  • PRODUCED NOT MORE THAN A FEW HUNDRED DOLLARS WORTH. NO OTHER PRODUCTION RECORD FOUND

Comments on the workings information

  • 2 ADITS, 1ST 1200 FT N OF IRELAN MINE. 2ND IS BELOW.

Reference information

General comments

Subject category Comment text
Deposit VEINS

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.

External references

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.