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

Unnamed (Between Portage Bay and Chignik Lake)

Occurrence in Alaska, United States with commodity Copper
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Mineral occurrence model information
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mining district
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10307318
Record type Site
Current site name Unnamed (Between Portage Bay and Chignik Lake)

Geographic coordinates

Geographic coordinates: -158.70245, 56.19928 (WGS84)
Relative position This site's approximate location is between Portage Bay and Chignik Lake in T. 46 S., R. 60 W., of the Seward Meridian (MacKevett and Holloway, 1977, locality 22). This site may be related to or part of the Home Creek occurrence (CG011). The site location as plotted is accurate to within 3 miles.

Site location context

Political divisions (FIPS codes)

Lake and Peninsula(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Chignik A-3(quadrangle 1:63,360 scale)

Chignik SE(quadrangle 1:100,000 scale)

Chignik(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Shelikof Strait(hydrologic unit)

Kodiak-Shelikof(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Alaska Peninsula National Wildlife Refuge(National Wildlife Refuge)

National Wildlife Refuge FWS(Type of land area)

FWS(Federal land areas administered by FWS)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary

Mineral occurrence model information

Model code 53
USGS model code 17
Deposit model name Porphyry Cu
Mark3 model number 4

Nearby scientific data

(1) -158.70245, 56.19928
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = This site has been described as consisting of extensive altered zones in composite Tertiary plutons which are weakly mineralized (MacKevett and Holloway, 1977).
  • Age = Tertiary.

Economic information about the deposit and operations

Development status Occurrence

Comments on exploration

  • Status = Inactive

Mining district

District name Alaska Peninsula

Reference information

Bibliographic references

Comments on the references

  • Primary Reference = MacKevett and Holloway, 1977

General comments

Subject category Comment text
Deposit Model Name = Porphyry copper? (Cox and Singer, 1986; model 17)
Deposit Other Comments = Depending on its exact location this site may be located on land conveyed to or patented by the Bristol Bay Native Corporation or it may be within the Alaska Peninsula National Wildlife Refuge.

Reporter information

Type Date Name Affiliation Comment
Reporter 08-FEB-00 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.