1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Spoohn

Past Producer in Sierra county in California, United States with commodity Gold
Map
XML
JSON
KML
C
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 10086511
MRDS ID X025378
Record type Site
Current site name Spoohn
Alternate or previous names Spoon
Related records 10213451

Geographic coordinates

Geographic coordinates: -120.85325, 39.4585 (WGS84)
Relative position 3/4 MI SSW 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 04 California

Comments on the location information

  • UTM EST. E 1/2

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 > Gabbro
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Economic information

Ore body information

  • Strike N 35 W
    Dip 60 W

Comments on the geologic information

  • QTZ VEINS STRIKE N 15 - 50 W, DIPS 45 W IN LOWER WORKINGS, 70 W OR MORE IN UPPER PARTS. GRANITE CUTS GABBRO IN CREEK NR LOWER CAVED TUNNEL.

Economic information about the deposit and operations

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

Comments on the production information

  • ONE OF THE OLDER MINES IN DISTRICT BUT NO PRODUCTION RECORDS FOUND.

Comments on the workings information

  • AT LEAST 2 ADITS, & APPARENTLY EXTENSIVE UNDERGROUND WORKINGS, ALL CAVED, INACCESSIBLE.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit VEIN

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

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.