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STRUCTURE OF THE EARTH. Inner Core STRUCTURE OF THE EARTH D. Hardin.

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Presentation on theme: "STRUCTURE OF THE EARTH. Inner Core STRUCTURE OF THE EARTH D. Hardin."— Presentation transcript:

1 STRUCTURE OF THE EARTH

2 Inner Core STRUCTURE OF THE EARTH D. Hardin

3 Inner Core STRUCTURE OF THE EARTH D. Hardin

4 Inner Core STRUCTURE OF THE EARTH D. Hardin

5 Inner Core STRUCTURE OF THE EARTH D. Hardin

6 Inner Core STRUCTURE OF THE EARTH D. Hardin

7 Inner Core STRUCTURE OF THE EARTH D. Hardin

8 Continental Crust Oceanic Crust Upper Mantle D. Hardin Asthenosphere LITHOSPHERE

9

10 ROCK CYCLE Earth’s surface Intrusive Igneous D. Hardin Rise of magma

11 INTRUSIVE IGNEOUS ROCK Petersburg Granite - Virginia D. Hardin Blue Pearl Granite - Norway Mt. Rushmore, South Dakota

12 D. Hardin Giant’s Causeway, N. Ireland INTRUSIVE IGNEOUS ROCK Sheepeater Cliff, Yellowstone NP, Wyoming

13 ROCK CYCLE Intrusive Igneous Intrusive Igneous Extrusive Igneous Rise of magma D. Hardin Rise of magma Earth’s surface

14 EXTRUSIVE IGNEOUS ROCK Volcanic ash Ash (magnified) Pumice ObsidianObsidian tools Lava (pahoehoe) D. Hardin

15 ROCK CYCLE Intrusive Igneous Intrusive Igneous Extrusive Igneous Extrusive Igneous Weathering: Disintegrate Decompose Dissolve Uplift & uncovering Rise of magma Rise of magma D. Hardin Earth’s surface

16 WEATHERING frost wedgingsandblasting DISINTEGRATE DECOMPOSE DISSOLVE biological weathering Coolest job in America!

17 ROCK CYCLE Intrusive Igneous Intrusive Igneous Extrusive Igneous Extrusive Igneous Sedimentary Weathering: Disintegrate Decompose Dissolve Erosion & deposition Burial & lithification Uplift & uncovering Rise of magma Rise of magma D. Hardin Earth’s surface

18 SEDIMENTARY ROCK Grand Canyon, Arizona Dinosaur trackway D. Hardin

19 SEDIMENTARY ROCK Desert Floodplain Warm, shallow sea Swamp Sand Mud Animals Plants Sandstone Shale Coal EnvironmentSedimentRock Limestone D. Hardin

20 ROCK CYCLE Intrusive Igneous Intrusive Igneous Extrusive Igneous Extrusive Igneous Metamorphic Sedimentary Weathering: Disintegrate Decompose Dissolve Erosion & deposition Burial & lithification Metamorphism Uplift & uncovering Rise of magma Rise of magma D. Hardin Earth’s surface

21 METAMORPHIC ROCK Sedimentary parent Sandstone Quartzite Quartz Shale Slate Limestone Marble Coal ? D. Hardin Carrara, Italy Michelangelo’s “David” Schist

22 ROCK CYCLE Earth’s surface Intrusive Igneous Intrusive Igneous Extrusive Igneous Extrusive Igneous Metamorphic Sedimentary Weathering: Disintegrate Decompose Dissolve Erosion & deposition Burial & lithification Metamorphism Uplift & uncovering Melting Rise of magma Rise of magma D. Hardin

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24 CLASSROOM EXAMPLES Intrusive Igneous (all granite) D. Hardin CRYSTALS! HARD! STRONG! MADE TO LAST! COOLED SLOWLY UNDER THE SURFACE!

25 CLASSROOM EXAMPLES Extrusive Igneous obsidian lava pumice volcanic ash D. Hardin NO CRYSTALS! COOLED QUICKLY ABOVE THE SURFACE! VOLCANIC GLASS!

26 CLASSROOM EXAMPLES Sedimentary shale fossiliferous limestone sandstone coal (bituminous) D. Hardin MADE OF BURIED SEDIMENTS! FOSSILS! LAYERED!

27 CLASSROOM EXAMPLES Metamorphic schist quartzite marble D. Hardin CHANGED INSIDE THE EARTH! STRONGER THAN THE PARENT ROCK! CAN HAVE SOME QUALITIES OF THE PARENT ROCK!

28 ROCK CYCLE Earth’s surface Intrusive Igneous Intrusive Igneous Extrusive Igneous Extrusive Igneous Metamorphic Sedimentary Weathering: Disintegrate Decompose Dissolve Erosion & deposition Burial & lithification Metamorphism Uplift & uncovering Melting Rise of magma Rise of magma D. Hardin

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