1. LAYERS OF THE EARTH HOW WE KNOW ABOUT THE DEEP INTERIOR: Meteorites Seismic Waves Magnetic Field Gravity

2. Earth’s Layers

3. LAYERS OF THE EARTH

4. The Velocity of Seismic Waves increase as they travel through the earth Steep decrease in Velocity of P-wave occurs in Outer Core S-waves do not travel through liquids

5. METEORITE COMPOSITIONS AND EARTH ANALOGUES

7. Earth’s Mantle consists of ultramafic rock made of two Fe, Mg Silicate minerals: Olivine and Pyroxene Ultra-mafic Intrusive Rock

8. Upper Mantle: Gabbro with Pyroxene, Olivine, and Feldspars (Ca,Na) Mafic Intrusive Rock

9. Ocean Crust: Basalt Mafic Extrusive Rock

10. Continental Crust: Granite Felsic Intrusive Rock

11. Outer Layers of Earth

12. ESS Processes often involve the whole earth over time:lithosphere- atmosphere-hydrosphere