GEOG 2OC3 Lecture Notes - Lecture 2: Canadian Shield, Hadean, Human Geography
Document Summary
What does canada landscape look like; how"d it co(cid:373)e to look like this. Why is canadas physical geography essential to understanding its regional and human. Textbook says that logical starting point is the physical environment; draws attention to the fact that the physical geography underlies its distribution of population and fundamental structure of its economy. Earth is 4. 5 billion years old but the north american land mass is only 66 million years. Earth began as ball of lava in hadea(cid:374) period. It"s cooled down to allow accumulation of water and formation of uplifted continents. Canadian shield is an example from early volcanic days on earth and contain some of the earth"s oldest indigenous rocks. Evolutio(cid:374) of the earth"s co(cid:374)figuratio(cid:374) as we k(cid:374)ow it today took hu(cid:374)dreds of (cid:373)illio(cid:374)s of years with many super continents like pangea forming across the span of time.