EPSC 180 Lecture Notes - Lecture 28: Pacific Plate, Supercontinent, Plate Tectonics

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In constant eruption great geysers of water come out of southern pole constantly. Temperature profile w/ depth that is in accord w/ the pressure. Method to calculate temperature on basis on known pressure (from moment of inertia calculations) Earthquakes move across hawaiian islands age of islands w/ volcanoes that no longer erupt measures w/ respect to distance of largest hawaiian island w/ a still erupting volcano. When there"s a collision: density carries it under lighter. All continents fit against one another at some point moved and slightly reshaped over time: reshaped: high/low sea levels, natural disasters, etc. Pangea, breaking off happens over 100s of millions of years: about 190 million years ago: all continents combined to form. Circulating mantle underneath outer crust of earth causes movement hot in depth, cooler on surface.

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