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

Percy Island Ultramafic

Prospect in Alaska, United States with commodities Chromium, Iron, Nickel
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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. Mining district
  10. Mineral rights holdings
  11. Land status
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10258789
MRDS ID A012396
MAS/MILS ID 0021220004
Record type Site
Current site name Percy Island Ultramafic
Alternate or previous names Cow Island
Related records 10001631

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -131.59755, 54.95254 (WGS84)
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Prince of Wales-Hyder(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Prince Rupert D-5(quadrangle 1:63,360 scale)

Duke Island(quadrangle 1:100,000 scale)

Prince Rupert(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Ketchikan(hydrologic unit)

Southern Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Tongass National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Copper River 080 S 092 E 07 SENENE Alaska

Commodities

Commodity Importance
Chromium Critical Primary
Iron Tertiary
Nickel Critical Tertiary

Nearby scientific data

Ore Body (1) -131.59755, 54.95254
ListMap

Economic information

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Ketchikan District

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest

Reference information

Bibliographic references

Comments on the references

  • STEBBINS, R.H., 1957, COLUMBIA UNIV. UNPUB. M.A. THESIS.

General comments

Subject category Comment text
Deposit ALL ACTIVITY BETWEEN 1954 AND 1956. 2 DIAMOND DRILL HOLES ARE TOTAL WORKINGS. DEPOSIT IS SIMILAR TO DUKE ISLAND ULTRAMAFIC COMPLEXES. LOCATION APPROXIMATED NEAR CENTER OF ULTRAMAFIC COMPLEX.

Reporter information

Type Date Name Affiliation Comment
Reporter 25-MAR-1993 Peb 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.