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Canada (510,396)
EESA06H3 (568)
Nick Eyles (500)
Lecture

Plate tectonics

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Department
Environmental Science
Course
EESA06H3
Professor
Nick Eyles
Semester
Winter

Description
- 400-500 million years for one Wilson cycle to happen. -Pangaea 2 will occur in 250 million years Lecture 3 Part 1: what do earthquakes tell us about the plant’s interior and plate tectonics Part 2: plates and their margins Part 3: earthquakes in Canada -Seismic energy is used to map the earths interior -drilling 12 km is a physical limit to drilling because its starting to get pretty hot down there Earthquakes: what can we learn of the earth’s interior? -rocks are brittle, they snap, once it snaps the energy produce is the earthquake -the focus is the focus point under the surface of the earth, the epicentre is where the earthquake occurs -the line of breakage is called the fault plane, seismic waves are then produced -there are many blind faults in the US, that can potentially produce earthquakes, but we can see. Surface waves: they go around the surface of the planate, its usually t
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