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

Cape Chiniak

Prospect in Alaska, United States with commodity Platinum
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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. Mineral occurrence model information
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10003559
MRDS ID A106317
Record type Site
Current site name Cape Chiniak

Geographic coordinates

Geographic coordinates: -152.15243, 57.61942 (WGS84)
Relative position Approximate location is along the coast west of Cape Chiniak. Location is accurate to within 1 mile.

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Kodiak C-1 SE(quadrangle 1:24,000 scale)

Kodiak NE(quadrangle 1:100,000 scale)

Kodiak(quadrangle 1:250,000 scale)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Platinum Critical Primary

Materials information

Materials Type of material
Platinum Ore

Mineral occurrence model information

Model code 120
USGS model code 39b
Deposit model name Placer PGE-Au

Nearby scientific data

(1) -152.15243, 57.61942
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = Platinum has been dredged off the coast of Cape Chiniak by fishermen using suction dredges. The source may be mafic and ultramafic rocks in the Ghost Rocks Formation.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic

Comments on exploration

  • Status = Active

Mining district

District name Kodiak

Comments on the workings information

  • Workings / Exploration = Platinum dredged by fishermen using suction dredges off Cape Chiniak (S.W. Nelson, USGS, oral communication, 1992).

Reference information

Bibliographic references

Comments on the references

  • Primary Reference = This record

General comments

Subject category Comment text
Deposit Model Name = Placer PGE-Au (Cox and Singer, 1986; model 39b).

Reporter information

Type Date Name Affiliation Comment
Reporter 13-OCT-1998 S.H. Pilcher 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.