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Spencer

Past Producer in Siskiyou county in California, United States with commodities Gold, Lead, Copper, Arsenic
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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. Land status
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10103320
MRDS ID M023402
Record type Site
Current site name Spencer
Related records 10166099

Geographic coordinates

Geographic coordinates: -122.78584, 41.76762 (WGS84)
Elevation 1280
Relative position 3/4 MI. NE SUMMIT MCKINLEY MT.

Site location context

Political divisions (FIPS codes)

Siskiyou(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

McKinley Mountain(quadrangle 1:24,000 scale)

Yreka(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Klamath(hydrologic unit)

Klamath(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Klamath 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 Siskiyou

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 045N 008W 09 California

Comments on the location information

  • UTM ACC. W 1/2 NW 1/4

Commodities

Commodity Importance
Gold Primary
Lead Secondary
Copper Secondary
Arsenic Critical Secondary

Comments on the commodity information

  • ORE IS REMARKABLY HIGH-GRADE, THOUGH LITTLE SPECIMEN ROCK OCCURS

Materials information

Materials Type of material
Quartz Gangue

Analytical data

Result ORE CONTAINS ABOUT 3% SULFIDES, WHICH, WHEN CLEANED, ASSAYED $360/TON

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -122.78584, 41.76762
ListMap

Economic information

Ore body information

  • General form LENTICULAR MASSES
    Strike N35W
    Dip 35-40SW
    Thickness 0.91M

Economic information about the deposit and operations

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

Land status

Ownership category National Forest

Comments on the production information

  • MILL RETURNS RANGE FROM $20 - $300/TON. NO SPECIFIC PRODUCTION RECORD FOUND

Comments on the workings information

  • INCLINE, 300 FT. DEEP, DRIFT AT BOTTOM 180 FT. TO WEST. BLOCK HERE STOPED TO SURFACE. ADIT WITH 30 FT. OF BACKS

Reference information

Bibliographic references

  • Deposit

    CRAWFORD, J.J., 1896, THIRTEENTH REPORT OF THE STATE MINERALOGIST: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOL. 13, P. 427

  • Deposit

    SOUTHERN PACIFIC COMPANY, 1964, MINERALS FOR INDUSTRY, NORTHERN CALIFORNIA, V 2, P. 147

  • Deposit

    DUNN, R.L., 1892, SISKIYOU COUNTY: REPORT OF THE STATE MINERALOGIST, V. 11, P. 445

  • Production

    DUNN (1892)

General comments

Subject category Comment text
Deposit VEIN, FEW IN. - SEVERAL FEET THICK. LENGTH OF ORE SHOOT MINED, 270 FT.
Deposit 8 CLAIMS ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1980 Nelson, Scott C. (Albers, John, P.) 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.