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Siginaka Islands Copper Occurrence

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. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10002380
MRDS ID A013298
Record type Site
Current site name Siginaka Islands Copper Occurrence
Related records 10191586

Geographic coordinates

Geographic coordinates: -135.4492, 57.16832 (WGS84)
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sitka A-5 NE(quadrangle 1:24,000 scale)

Sitka SW(quadrangle 1:100,000 scale)

Sitka(quadrangle 1:250,000 scale)

Federal lands

Tongass National Forest(National Forest)

National Forest UND(Type of land area)

UND(Federal land areas administered by UND)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS I-388, ANALYSIS SAMPLE LOC. 14; USGS MF-467, LOC. 51 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Covellite Ore
Limonite Gangue
Pyrite Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -135.4492, 57.16832
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1961
Discoverer Loney And Others

Comments on development

  • SAMPLED FOR USGS I-388 BETWEEN 1956 AND 1961

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit PYRITE, CHALCOPYRITE, AND COVELLITE IN LIMONITE-STAINED GREENSTONE.
Deposit LITTLE INFORMATION AVAILABLE ON OCCURRENCE. ; INFO.SRC : 1 PUB LIT
Deposit THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-87 Leonard, Kenneth R. (Huber, Donald F.) 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.