GEOG 2OC3 Lecture Notes - Lecture 1: Rodinia, Mesozoic, Hudson Bay Lowlands
13 Sep 2020
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Document Summary
Beginning with canada"s physical geography: - the logical starting point is canada"s physical environment - it is canada"s physical geography that underlines its distribution of population and the fundamental structure of its economy - textbook states that. Circumstances defining a favourable physical base can change over time and such changes have the power to alter the prospect for regional expansion and contraction . Our own canadian shield is a remnant from the early volatile volcanic days on earth, and contains some of the earth"s oldest igneous rocks. Evolution of present day continent configuration took hundreds of millions of years, with many supercontinents (such as rodinia and pangaea) forming in between this span of time. Precambrian: canadian shield - paleozoic: appalachian uplands, arctic lands - Mesozoic: interior plains - cenozoic: cordillera - quaternary: great lakes/ st. ) - canada contains three principal mountain chains: the rockies to the west, the innuitian mountains to the.
