The Unnamed (southwest of Mt Dagelet) is a nickel 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.
Unnamed (southwest of Mt Dagelet) MRDS details
Site Name
Primary: Unnamed (southwest of Mt Dagelet)
Commodity
Primary: Nickel
Secondary: Copper
Location
State: Alaska
District: Yakutat
Land Status
Not available
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:
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Prominent iron-rich gossan.
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Limonite
Comments
Comment (Workings): Workings / Exploration = Surface exposures, not examined on the ground.
Comment (Geology): Age = Tertiary.
Comment (Reference): Primary Reference = Rossman, 1963 (B 1121-F)
Comment (Geology): Geologic Description = Gossan similar to that observed at the Yakobi Island nickel-copper deposits on the Sitka D-8 quadrangle was observed remotely by Rossman (1963). The site is in the Crillon-LaPerouse layered mafic-ultramafic pluton within about 0.3 mile of its southwestern contact with biotite-hornblende schist (Brew and others, 1978).
Comment (Geology): Ore Material = Ni-Cu bearing sulfides
Comment (Deposit): Other Comments = the site is in Glacier Bay National Park and Preserve.
Comment (Deposit): Model Name = Magmatic segregation.
Comment (Exploration): Status = Inactive
References
Reference (Deposit): Brew, D.A., Johnson, B.R., Grybeck, D., Griscom, A., Barnes, D.F., Kimball, A.L., Still, J.C., and Rataj, J.L., 1978, Mineral resources of the Glacier Bay National Monument Wilderness Study Area, Alaska: U.S. Geological Survey Open-File Report 78-494, 670 p.
Reference (Deposit): Kimball, A.L., Still, J.C., and Rataj, J.L., 1978, Mineral resources, in Brew, D. A., and others, Mineral resources of the Glacier Bay National Monument wilderness study area, Alaska: U.S. Geological Survey Open-File Report 78-494, p. C1-C375.
Reference (Deposit): Rossman, Darwin, 1963, Geology and petrology of two stocks of layered gabbro in the Fairweather Range, Alaska: U.S. Geological Survey Bulletin 1121-F, p. F1-F50.
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