A beautiful exposure of bull quartz veins in greenstone in a roadcut on the Trans-Canada Highway, west of Marathon, Ontario.
Thin, tan carbonatite dikes crosscut the greenstone in this roadcut west of Wawa, Ontario.
Exposed in a roadcut just south of Wawa, Ontario, this is one of the Banded Iron Formations (BIFs) in a greenstone belt of the Superior Province.
Not a member yet? Sign up