Casement Glacier Nunatak Occurrence

Occurrence in Alaska, United States with commodity Zinc
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. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10001370
MRDS ID A012111
Record type Site
Current site name Casement Glacier Nunatak Occurrence
Related records 10161465

Geographic coordinates

Geographic coordinates: -135.99099, 58.97057 (WGS84)
Relative position NUNATAK ON CASEMENT GLACIER, 2.1 MI S. 9 E. FROM NW CORNER OF JUNEAU D-6 QUAD

Site location context

Political divisions (FIPS codes)

Hoonah-Angoon(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Juneau D-6(quadrangle 1:63,360 scale)

Juneau NW(quadrangle 1:100,000 scale)

Juneau(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Glacier Bay(hydrologic unit)

Northern Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Glacier Bay National Park(National Park)

National Park NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • LOCATED FROM DESCRIPTION IN USGS PP-632, P. 34, TABLE 9, LOC. 3 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Zinc Critical Primary

Comments on the commodity information

  • PYRITE IS ONLY VISIBLE SULFIDE

Materials information

Materials Type of material
Ankerite Gangue
Pyrite Gangue
Quartz Gangue

Analytical data

Result SELECTED SAMPLE CONTAINED 300 PPM ZN

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Hornfels

Nearby scientific data

(1) -135.99099, 58.97057

Economic information

Ore body information

  • Strike N 58 W
    Dip 90

Comments on the geologic information

  • NUNATAK IS COMPOSED OF THIN BEDDED LIMESTONE, ARGILLITE AND HORNFELS

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Juneau/Glacier Bay

Land status

Ownership category National Park

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit QUARTZ-ANKERITE-BARITE VEINS UP TO 1 FT THICK IN 10-15 FT WIDE ALTERED ZONE IN HORNFELS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1985 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.