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  3. Mineral Resource Data System (MRDS)

Klamath River Mine

Producer in Humboldt county in California, United States with commodities Gold, Platinum, Osmium, Iridium
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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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10038021
MRDS ID M045276
Record type Site
Current site name Klamath River Mine

Geographic coordinates

Geographic coordinates: -123.66225, 41.20039 (WGS84)
Elevation 98
Relative position ABOUT 3 MI UP THE KLAMATH RIVER FROM WEITCHPEC

Site location context

Political divisions (FIPS codes)

Humboldt(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Weitchpec(quadrangle 1:24,000 scale)

Hoopa(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Klamath(hydrologic unit)

Klamath(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California Humboldt

Public Land Survey System information

Meridian Township Range Section Fraction State
Humboldt 009N;009N 004E;005E 01;06 NE4 (01) California

Comments on the location information

  • LOCATION GIVEN IS ON KLAMATH RIVER DIRECTLY ACROSS FROM MOUTH OF CAVANAUGH CREEK. ALTERNATIVE LOCATION GIVEN IN OLD MRDS RECORD (USBM LOCATION?) IS 41-11-33N, 123-39-28W

Commodities

Commodity Importance
Gold Primary
Platinum Critical Secondary
Osmium Tertiary
Iridium Critical Tertiary

Materials information

Materials Type of material
Gold Ore

Analytical data

Result AVERAGE OF 2 PGE SAMPLES YIELDED 26.04% PT, 72.15% OSMIRIDIUM, 1.165% AU (LOGAN, P. 109)

Mineral occurrence model information

Model code 119
USGS model code 39a
Deposit model name Placer Au-PGE
Mark3 model number 54

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
    Stratigraphic age (youngest) Holocene

Nearby scientific data

(1) -123.66225, 41.20039
ListMap

Economic information

Ore body information

  • General form STREAM SEDIMENT DEPOSITS

Controls for ore emplacement

  • Stream Hydraulics

Comments on the geologic information

  • MICA SCHIST BEDROCK

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1860
Discoverer J.W. Proffitt And S.M. Briscoe Estate

Mining district

District name Klamath River Area

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Klamath River Mining Co. (-
    Last year 1925

Workings at the site

  • Type of workings Surface
    Area 113.316HA

Comments on the workings information

  • HYDRAULIC

Reference information

Bibliographic references

  • Deposit

    LOGAN, C.A., 1919, PLATINUM AND ALLIED METALS IN CALIFORNIA: CALIFORNIA STATE MINING BUREAU BULLETIN 85, P. 65, 109.

  • Deposit

    LAIZURE, C.MCK., 1925, DEL NORTE COUNTY: CALIFORNIA STATE MINING BUREAU, 21ST REPORT OF THE STATE MINERALOGIST, P. 310.

General comments

Subject category Comment text
Deposit NARROW BENCHES
Deposit RECORD W017569 AND W023663 HAVE BEEN MERGED AND DELETED.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1974 Blair, Will N. U.S. Geological Survey
Updater 01-JAN-1989 Peterson, Jocelyn A. 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.