Latitude: 62°56'13"N
Longitude: 144°18'54"W
Additional information can be obtained from Ahtna Minerals in Anchorage, Alaska.
Location: The occurrence is at an elevation of approximately 4,500 feet, about 6.4 miles east, southeast of the east end of Mankomen Lake. The occurrence is in the center of section 5, T. 13 N., R. 6 E., Copper River Meridian. It is probably accurate within 500 feet.
Geology: WGM Inc. (1979, fig. 6) reported an occurrence of magnetite and pyrite associated with the contact of the border phase of the Brimstone granite and the Pennsylvanian to Permian, Tetelna volcanics. A chilled zone of altered potassium-feldspar-rich rocks contains bands of disseminated pyrite and magnetite.
Alteration: Related to a contact zone of a granitic body.
Commodities (Major) - Fe
Development Status: None
Deposit Model: Skarn(?)
References
WGM Inc., 1979, 1978 Annual Progress Report, Uranium Exploration, Ahtell Creek Area, Volume I: WGM Inc., 39 p., appendices, 4 maps. (Report available, Ahtna Mineral Co., Anchorage, Alaska).
Mineral List
2 entries listed. 2 valid minerals.
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