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EESA06H3 (563)
Nick Eyles (495)
Lecture

Lectures_9_10_1perPG.pdf

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Department
Environmental Science
Course
EESA06H3
Professor
Nick Eyles
Semester
Winter

Description
EESA06 OUR HOME AND NATIVE LANDCANADAS GEOLOGIC JOURNEY THE LAST 45 BILLION YEARSWEEKS 9 AND 11 Chapters 16 20 Terms to remember for the examsupercontinent cycle 500 million years long paradigm obduction craton and cratonization process by which continents grow province old crust now embedded in continentsterranes another term for above orogen folded rocks resulting from orogeny greenstone belts goldrich metamorphosed basalts ophiolite ancient oceanic crust shatter cone fracture left by meteorite impact fiord deep valley cut by glaciers now flooded by the sea Grenville Orogeny at 1 billion years ago 1Ga Canadian Shield the heartland of Canada bolide large meteorite stromatolite ancient bacterial colony Ediacaran fauna and the Cambrian explosion after 540 Ma gneiss highly metamorphosed rocks mylonite even more so Pleistocene the last 2 million years and the time of ice ages Anthropocene Age of man the modern industrial eraNEXT TWO LECTURES ARE BASEDON CHAPTER 20FOR A FULLER ACCOUNT SEE CANADA ROCKS
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