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Pioneer Placer 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. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10109525
MRDS ID M045287
Record type Site
Current site name Pioneer Placer Mine
Alternate or previous names Upper Gold Bluff

Geographic coordinates

Geographic coordinates: -124.06337, 41.44205 (WGS84)
Elevation 2
Location accuracy 100(meters)
Relative position 7-10 MI NORTH OF ORICK, Accurate Along Beach, Accurate Along Beach, Accurate Along Beach

Site location context

Political divisions (FIPS codes)

Humboldt(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Fern Canyon(quadrangle 1:24,000 scale)

Orick(quadrangle 1:100,000 scale)

Crescent City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Mad-Redwood(hydrologic unit)

Northern California Coastal(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Redwood National Park(National Park)

National Park NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State County
United States California Humboldt

Public Land Survey System information

Meridian Township Range Section Fraction State
Humboldt 011N 001E 09,16,21,28,33 California

Comments on the location information

  • IN PRAIRIE CREEK REDWOODS STATE PARK. LOCATION GIVEN IS AT MOUTH OF OSSAGON CREEK, POINT OF DISCOVERY OF GOLD ALONG BEACHES. PROPERTY EXTENDS SOUTH TO MOUTH OF SQUASHAN CREEK

Commodities

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

Comments on the commodity information

  • UNVERIFIED REPORT OF TRACES OF PT, OS-IR

Materials information

Materials Type of material
Gold Ore

Analytical data

Result AU WAS 900-950 FINE.

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 > Sand and Gravel
    Stratigraphic age (youngest) Holocene

Nearby scientific data

(1) -124.06337, 41.44205
ListMap

Economic information

Ore body information

  • General form LENSES
    Length 6437.2M

Controls for ore emplacement

  • Wave Action

Comments on the geologic information

  • ERODED BLUFFS OF OLD KLAMATH RIVER DEPOSITS ARE SOURCE OF METALS

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1888

Mining district

District name Northern California Beach Sands

Land status

Ownership category State Park

Comments on the production information

  • PRODUCTION ESTIMATE IS FOR UPPER AND LOWER GOLD BLUFFS

Workings at the site

  • Type of workings Surface
    Area 56.658HA

Reference information

Bibliographic references

  • Deposit

    IRELAN, WILLIAM, 1888, HUMBOLDT COUNTY: CALIFORNIA STATE MINING BUREAU, 8TH REPORT OF THE STATE MINERALOGIST, P. 216-217

General comments

Subject category Comment text
Deposit AREA USED TO BE MOUTH OF KLAMATH RIVER AND HIGHER AURIFEROUS BENCHES ON BLUFFS ARE FROM THIS ANCIENT RIVER MOUTH
Deposit SEE ALSO: MRDS M045283.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-74 Blair, Will N. U.S. Geological Survey
Updater 01-FEB-89 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.