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The Earth: Everyone’s favorite nested sphere

The Earth: Everyone’s favorite nested sphere. Earth’s magnetic field is probably generated by the motion of the highly conducting liquid Outer Core. Motion in the Outer Core. From: Arnou. Mantle Convection and Plumes. Convection at ocean ridges cools the mantle

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The Earth: Everyone’s favorite nested sphere

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  1. The Earth:Everyone’s favorite nested sphere

  2. Earth’s magnetic field is probably generated by the motion of the highly conducting liquid Outer Core

  3. Motion in the Outer Core From: Arnou

  4. Mantle Convection and Plumes • Convection at ocean ridges cools the mantle • Mantle plumes (hot spots) cool the liquid core • This means: • The function of plate tectonics is to cool the mantle! • The function of plumes is to cool the core!

  5. Atmosphere From NASA

  6. Created by Nicolas Barth2007Geology 114AUniversity of California, Santa BarbaraSome images herein borrowed from websites have not been credited

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