30 - 8/30 -Differentiation on earth gave it a chemical...

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8/30 -Differentiation on earth gave it a chemical distribution that placed VOLATILES (water vapors, came from inside rock) -Degassing created oceans. -Plate tectonics and impact on earth. -Heat budget -Sea level - Ocean currents and chemistry -Wind patterns -Global carbon Cycle -Tsunamis -Mix the ocean (heat from below. ..and above) -Bizarre life. Interior of earth, physical vs. chemical -Crust, mantle, core-chemical -Inner core (solid), outer core, mesosphere, astherosphere, lithosphere were liquid, then crust = physical -We know from studying seismic waves (e.g. quakes) p (compressional), (sheer. ..don’t travel thru liquid), waves. -Some material comes from great depth to the surface. -Meteorites study. -Moon-ology -Spin of the earth, -Magnetic field-ology Inner/outer core - very similar. Mantle- Si, Oxygen, Mag. Crust- Si and Oxygen. Evolution of views about origin of Ocean Basins. -Before 19th century, most common view was they were formed and creation of earth, and didn't change. Shells on top of mountains???
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30 - 8/30 -Differentiation on earth gave it a chemical...

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