GEO 793 Study Guide - Fall 2018, Comprehensive Midterm Notes - Canada, Toronto, City
12 Oct 2018
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Document Summary
Ice retreats 13 000 years ago - niagara escarpment is revealed. Oak ridges moraine basin - caused by deposition over time, began as a crack. The old shoreline ran west-east running roughly parallel to davenport road. Further east, the scarborough bluffs also formed part of the shoreline. About 2km inland from the shore - iroquois shoreline - can be discerned. Drumlins are elongated, teardrop-shaped hills of well sorted and stratified sand and gravel and glacial till - typically occur behind well defined moraine formations. Formed by streamlined movement of glacial ice sheets across rock debris, or till. The elongated end is point in the direction of the ice flow. Rivers flowing through toronto have their headwaters in the orm. Carried by a current flowing from east to west. Site of human habitation for over 10,000 years. Ontario - skanadariio - the "handsome lake" or "sparkling water"
