The Last Chance No. 2 is a gold 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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Last Chance No. 2 MRDS details
Site Name
Primary: Last Chance No. 2
Secondary: Last Chance
Commodity
Primary: Gold
Location
State: Alaska
District: Prince William Sound
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Polymetallic veins
Model Name: Low-sulfide Au-quartz vein
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Arsenopyrite
Ore: Gold
Gangue: Quartz
Comments
Comment (Reference): Primary Reference = Johnson, 1914
Comment (Exploration): Status = Inactive
Comment (Geology): Geologic Description = Quartz vein cuts Late Cretaceous massive graywacke and minor slate of the Valdez Group. The quartz vein is up to 3 ft thick, strikes N 10 E, and dips 10 W. The vein can be traced for 150 ft and contains large quartz crystals, arsenopyrite, and gold. Assays indicate 0.63 oz/ton Au (Johnson, 1914).
Comment (Deposit): Model Name = Chugach-type low-sulfide Au-quartz vein ? (Bliss, 1992; model 36a.1 ?) or Polymetallic veins ? (Cox and Singer, 1986; model 22c ?)
Comment (Workings): Workings / Exploration = Assays indicate 0.63 oz/ton Au (Johnson, 1914). Ground quartz vein yielded free gold.
Comment (Geology): Age = Late Cretaceous or younger; vein cuts massive graywackes and minor slates of the Late Cretaceous Valdez Group.
References
Reference (Deposit): MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous mineral deposits in the western part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-F, 38 p., 1 sheet, scale 1:1,000,000.
Reference (Deposit): Cobb, E.H., 1979, Summary of references to mineral occurrences (other than mineral fuels and construction materials in the Anchorage quadrangle, Alaska: U.S. Geological Survey Open-File Report 79-1095, 184 p.
Reference (Deposit): Jansons, Uldis, Hoekzema, R.B., Kurtak, J.M., and Fechner, S.A., 1984, Mineral occurrences in the Chugach National Forest, Southcentral Alaska: U.S. Bureau of Mines Open-File Report 5-84, 218 p., 2 sheets, scale 1:250,000.
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Anchorage quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-409, 1 sheet, scale 1:250,000.
Reference (Deposit): Johnson, B.L., 1914, The Port Wells gold-lode district, Alaska: U.S. Geological Survey Bulletin 592-G, p. 195-236.
Reference (Deposit): MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous and selected non-metalliferous mineral deposits in the eastern part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-A, 99 p., 1 sheet, scale 1:1,000,000.
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