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GEOG 2OC3 Study Guide - Winter 2019, Comprehensive Midterm Notes - List Of Rocks On Mars, Lewis Hamilton, Lake Ontario


Department
Geography
Course Code
GEOG 2OC3
Professor
Dr. John Maclachlan
Study Guide
Midterm

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GEOG 2OC3

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Module 1: Physiographic Regions
Wednesday, January 9, 2019
5:31 PM
Physiogrpahic Region: an area with distinct surface landforms (geomorphology) and underlying bedrock
structure (geology)
Geomorphology: the study of landforms and the process of their genesis
Igneous Rock: the starter rock for geology Originally comes from lava
Harden out in the open (term extrusion)
Harden deep in the group (termed intrusive)
Distinguished from each other by chemical composition and cooling characteristics
eg. Liquid basal, obsidian, granite
Metamorphic Rock: altered chemically and physically by either great pressures, heat or both
Often formed deep beneath the Earth Surface
Eg. Gneiss, Quartzite, Schist
Sedimentary Rock: made from sediments (or particles) of other existing rocks
Often carried long distances and are eroded overtime to form small sediment particles that then
become cemented together once again
Can also be biogenic
Much of Niagara Escarpment is composed of limestone
Eg. Sandstone, Limestone, chalk
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Igneous starter, broken down into metamorphic and igneous rock
Lithification: compaction and compression forms sedimentary rock
Metamorphism: creates metamorphic rocks
Consolidation and Crystallization forms igneous rocks
Geology of Canada/Physiographic regions
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7 regions, product of the 3 aforementioned forced that formed the North American continent
Cordillera
Western most region
Contains approximately 16% of Canada's total landmass
Comprised by ranges of mountains (such as the Rockies) plateaus and valleys that are aligned
North-South along the Western coasty
Creation is a result of plate tectonics; namely the pacific and North American plates colliding
together
Area is still subject to earth quakes today
Interior Plains and Prairies
Network of geologically stable sedimentary plains
o Geographically stable: has not experienced any seismic activity in the last few centuries.
Generally located far from tectonic plates. And often have gently rolling topographies
Covering roughly 20% of Canada's total land mass
Was covered by Epeiric seas in the Paleozoic and Mesozoic era
Most of human population lives in the southernmost parts to take advantage of more ideal
climate
Artic Archipelago
Located north of the artic circle and boreal treeline
Three main sub-regions, namely the Artic Platform, located on the Western half and made up of
sedimentary rock plateaus
The Arctic Costal Plain, and the Innutian Mountain complex located on the Easter half containing
the mountains of folded and faulted sedimentary strata
Canadian Shield
Largest region in Canada, covering nearly half of the landmass
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