GEOG 2OC3 Lecture Notes - Lecture 7: Geomorphology, Quartzite, Schist
15 Dec 2018
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Document Summary
Physiographic region: an area with distinct surface landforms (geomorphology) and underlying bedrock structure, geomorphology: the study of landforms and the processes of their genesis. Metamorphic rock: altered chemically and physically by either great pressures, heat, or both, often formed deep beneath the earth"s surface, common types, gneiss, quartzite, schist. Physiographic regions: canada has 7 physiographic regions: Interior plains: cordillera, arctic archipelago, canadian shield, hudson bay lowlands, great lakes-st. lawrence lowlands, appalachian uplands. Cordillera: lies at canada"s westernmost edge, contains approx. 16% of canada"s total landmass: comprised by ranges of mountains, plateaus, and valleys that are aligned north-south along the western coast, creation is a result of plate tectonics, namely the pacific and north american plates colliding together. Great lakes and st. lawrence lowlands: smallest physiographic region, covering less than 2% of canada"s landmass, contains limestone sedimentary rock overlain by glacial till.
