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

Copper Chief

Prospect 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. Public Land Survey System information
  6. Commodities
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mineral rights holdings
  10. Land status
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10209711
MAS/MILS ID 0021140077
Record type Site
Current site name Copper Chief
Alternate or previous names Seymour Sulphur Mining Claim, Seymour Sulphur, Seymour Canal Prospect

Geographic coordinates

Point of reference Claim
Geographic coordinates: -134.29918, 57.93864 (WGS84)
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Hoonah-Angoon(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sitka D-1(quadrangle 1:63,360 scale)

Sitka NE(quadrangle 1:100,000 scale)

Sitka(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Admiralty Island(hydrologic unit)

Central Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Admiralty Island National Monument(National Monument)

National Monument UND(Type of land area)

UND(Federal land areas administered by UND)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Copper River 045 S 069 E 30 NENESW Alaska

Commodities

Commodity Importance
Copper Primary

Nearby scientific data

Claim (1) -134.29918, 57.93864
ListMap

Economic information

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant No

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Wilderness

Ownership information

  • Type Owner-Operator
    Owner Fred Magill
    Interest 100
    Home office Alaska
    Year 1977

Comments on the ownership information

  • OWNER ADDRESS: FRED MAGILL BOX 444 PETERSBURG, ALASKA

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit 2 CLAIMS 1899. MAJOR WORK ON PROPERTY DURING THIS YEAR. ABAND. & RESTAKED IN 1930,1942, 1954. CONTINUOUS ACTIVITY TO PRESENT SINCE 1954. ACTIVE PROSPECTING CEASED DUE TO LOW VALUES. WORKINGS: 25FT DRIFT, LONG OPEN CUT & 60FT SHAFT. COMPOSED OF CHALCOPYRITE-BEARING PYRITE IN QTZ VEINS & DISSEMINATED IN COUNTRY RX -- QTZ MICA SCHIST OF HYD FORMATION SULFIDES: CHALCOPYRITE, PYRITE, ARSENOPYRITE & MARCASITE(?). BEST CU ASSAY: 1.75% CU. DEPOSIT CONSIDERED BELOW COMMERCIAL GRADE IN 1942.

Reporter information

Type Date Name Affiliation Comment
Reporter 12-FEB-1988 Map U.S. Bureau of Mines

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.