The geology of Ontario is the study of rock formations in the most populated province in Canada, home to some of the oldest rock on Earth. The geology in Ontario consists of ancient Precambrian igneous and metamorphic rock which sits under younger, sedimentary rocks and soils.
The geology of Ontario is the study of rock formations in the most populated province in Canada, home to some of the oldest rock on Earth. The geology in Ontario consists of ancient Precambrian igneous and metamorphic rock which sits under younger, sedimentary rocks and soils.
Source: Wikipedia "Geology of Ontario" · CC BY-SA 4.0
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