The Casement Glacier Nunatak Occurrence is a zinc mine located in Alaska.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
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MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Casement Glacier Nunatak Occurrence MRDS details
Site Name
Primary: Casement Glacier Nunatak Occurrence
Commodity
Primary: Zinc
Location
State: Alaska
District: Juneau/Glacier Bay
Land Status
Land ownership: National Park
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Analytical Data: SELECTED SAMPLE CONTAINED 300 PPM ZN
Materials
Gangue: Quartz
Gangue: Ankerite
Gangue: Pyrite
Comments
Comment (Location): 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).
Comment (Deposit): QUARTZ-ANKERITE-BARITE VEINS UP TO 1 FT THICK IN 10-15 FT WIDE ALTERED ZONE IN HORNFELS
Comment (Commodity): PYRITE IS ONLY VISIBLE SULFIDE
Comment (Geology): NUNATAK IS COMPOSED OF THIN BEDDED LIMESTONE, ARGILLITE AND HORNFELS
References
Reference (Deposit): USGS OFR 85-717, LOC. J003
Reference (Other Database): BAG-OFR-85-717-003
Reference (Deposit): USGS PP 632, P. 34, TABLE 9, LOC. 3
Reference (Deposit): USGS OFR 78-494, TABLE C-64, LOC. 83
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