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  3. Mineral Resource Data System (MRDS)

Salmon River Area

Producer in Alaska, United States with commodities Gold, Platinum, Palladium, Chromium, Mercury, Iridium
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Controls for ore emplacement
  10. Economic information about the deposit and operations
  11. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10107508
MRDS ID A010735
Record type Site
Current site name Salmon River Area
Alternate or previous names Platinum, Dowry, Clara, Foxgulch, Creeks, Salmon River

Geographic coordinates

Geographic coordinates: -161.70268, 58.92425 (WGS84)

Site location context

Political divisions (FIPS codes)

Bethel(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hagemeister Island D-6(quadrangle 1:63,360 scale)

Hagemeister Strait(quadrangle 1:100,000 scale)

Hagemeister Island(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Kuskokwim Delta(hydrologic unit)

Lower Kuskokwim River(hydrologic accounting unit)

Southwest(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

BLM(Federal land areas administered by BLM)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • A PRODUCTIVE PLACER AREA OF APPROXIMATELY 16 SQ MI.; TRIBUTARIES OF SALMON RIVER NEAR GOODNEWS MINING CAMP; AREA OF INTEREST ALONG EFLANKS OF RED & THORSEN MOUNTAINS LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Gold Primary
Platinum Critical Primary
Palladium Critical Secondary
Chromium Critical Secondary
Mercury Secondary
Iridium Critical Secondary

Comments on the commodity information

  • ASSAY RANGES PRECIOUS METAL SAMPLES FREE OF IMPURITIES

Materials information

Materials Type of material
Chromite Ore
Cinnabar Ore
Gold Ore
Iridium Ore
Platinum Ore

Analytical data

Result 0.10%-2% AU, 50-88% PT, 6-40% IR, 0.14-0.40% PD
Result MINOR HG AMOUNTS

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel

Nearby scientific data

(1) -161.70268, 58.92425
ListMap

Economic information

Controls for ore emplacement

  • Auriferous Gravels

Comments on the geologic information

  • MAJOR.UNITS: ULTRAMATIC ROCKS ; REG.COM: RED MOUNTAIN, HIGHLY PROBABLE SOURCE

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1926
Year of first production 1934

Comments on the production information

  • 641000 OZS PLATINUM PRODUCED 1934-1975; ESTIMATED RESERVES ABOUT 500000 OUNCES PLATINUM

Workings at the site

  • Type of workings Surface
    Area 1335.51HA

Comments on the workings information

  • DREDGE WORKING AT PRESENT MOVING 7000 CUBIC YARDS DAILY, 1.12 MILLION CUBIC YARDS PER 160-DAY SEASON; DREDGE HAS 60 FOOT DIGGING DRAFT

Comments on development

  • WORKED ALMOST CONTINUOUSLY FROM 1934 TO PRESENT

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit PLATINUM CREEK MAJOR PRODUCER AT PRESENT
Deposit PRINCIPAL RESERVES REMAINING ARE CLAY-RICH PORTIONS OF TAILINGS FROM PAST LOW-GRADE PRODUCTION, AND DEEP GROUND IN LOWER SALMON RIVER DRAINAGE; EXPECTED ANNUAL PRODUCTION IS 10000 OUNCES PLATINUM FROM DREDGE ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1984 Garrison, Michael T. (Elliott, R. L.) 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 Alaska resources

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