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Lecture

EESA06 - Introduction to Planet Earth Lecture 2

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Department
Environmental Science
Course
EESA06H3
Professor
Nick Eyles
Semester
Winter

Description
EESA06H3Introduction to Planet Earth Lecture 2Jan 162012Key things to remember Likely to come on the quizFormation of planet Earth 4500 million years before presentContinental drift and Pangaea1912 Alfred WegenerSea floor spreading1960 Harold HessMagnetic stripes on the ocean floor and wander paths for continents1965 Fred VineMidocean ridges and hot spots1965 Tuzo WilsonPlate tectonics and Wilson Cycle1967 Tuzo WilsonContinental driftRedundantincorrect termContinent do migratemove but they do not drift independently of the large part of which they are a part ofAlfred WegenerWegener proposed continents moved by plowing through the sea floorContinental driftThis was rejected by most geologistsPangaea consists ofLaurasia North America and AsiaGondwana Southern ContinentsReconstructing the continents into Laurasia and Gondwana
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