EARTHSC 2GG3 Lecture Notes - Lecture 3: North American Plate, Continental Crust, Oceanic Crust
17 Dec 2019
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V i d e o: waves can come unexpectedly and at a very rapid pace. Tsunami can be compared to the ripples produced by a rock dropped into a puddle of water. Indonesia had the worst tsunami event in human history killing a huge population. It"s the stuff in the water that kills people, not the water itself. The internal structure of earth can be considered in 2 fundamental ways: by composition, state, and density, by strength. Earth is always moving, evident by the mega-continent pangea that split into the continents today: north american plate = all of canada. There is a stress buildup when two plates go against each other: the north american plate is going against the juan de fuca oceanic plate, creating a problem for canadians. Solid: 1300 km in thickness, high in temperature, composed of iron (90% by weight) and other elements (s, o, and ni, outer core:
