Mamainse Point Formation

The Mamainse Point Formation is a geologic formation in Algoma District in northeastern Ontario, Canada. It is located about 64 km (40 mi) north of Sault Ste. Marie along Lake Superior and consists of volcanics related to volcanism of the Midcontinent Rift System.[1]

See also

References
  1. Hart, Thomas R; Pace, Antonio. "Keweenawan Rocks of the Mamainse Point Area Field" (PDF). Field Guide for the 52nd Annual Institute on Lake Superior Geology, Volume 52, Part 5. Archived from the original (PDF) on 2011-07-23. Retrieved 2011-07-09.

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