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The Rock Cycle

The Rock Cycle. Thinking about relationships among the major rock groups. If you are watching as a PowerPoint ,watch it correctly. … or it won’t make sense! Turn on the volume . On the top menu, make sure you click “Slide Show” then click “From Beginning” before watching.

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The Rock Cycle

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  1. The Rock Cycle Thinking about relationships among the major rock groups

  2. If you are watching as a PowerPoint ,watch it correctly … or it won’t make sense! • Turn on the volume. • On the top menu, make sure you click “Slide Show” then click “From Beginning” before watching. • The “Enter” key will take you to the next slide when you are ready. • The back arrow key will allow you to go back if you need to.

  3. Take Notes As you go through the PowerPoint write a definition for each type of rock. Then copy the detailed diagramof the rock cycle, like the one in the PPT. You do not need to draw all the pictures, just the diagram and vocabulary terms.

  4. Major Rock Groups • Igneous • Formed from a molten rock • Intrusive (plutonic):slow cooling inside earth and crystallization • Extrusive (volcanic): quick cooling at the surface • Sedimentary • Formed at the Earth’s surface • From mineral or rock fragments & grains, clays, or precipitates • Metamorphic • Undergoes extreme pressure, temperature .

  5. The Rock Cycle Is the continuous process by which new rocks form from old rock material.

  6. Fig. 2.9 MAGMA

  7. IGNEOUS ROCK Cools & Crystallizes MAGMA

  8. Cools slowly inside the earth IGNEOUS ROCK Intrusive Crystallization MAGMA

  9. Lava Cools quickly on the earth’s surface Extrusive IGNEOUS ROCK Crystallization MAGMA

  10. Weathering & Erosion Extrusive IGNEOUS ROCK Intrusive Crystallization MAGMA

  11. Weathering& Erosion SEDIMENT SEDIMENTS Extrusive IGNEOUS ROCK Intrusive Crystallization MAGMA

  12. Weathering& Erosion SEDIMENT Transport Deposition Extrusive IGNEOUS ROCK Intrusive Crystallization MAGMA

  13. Weathering& Erosion SEDIMENT Transport Deposition Extrusive IGNEOUS ROCK Intrusive SEDIMENTARY rock Crystallization MAGMA

  14. Weathering & Erosion SEDIMENT Transport Deposition Extrusive IGNEOUS ROCK Intrusive SEDIMENTARY rOCK Burial Heat & Pressure METAMORPHIC ROCK Crystallization MAGMA

  15. Weathering & Erosion SEDIMENT Transport Deposition Extrusive IGNEOUS ROCK Intrusive Can you see any shortcuts? SEDIMENTARY rOCK Burial Heat & Pressure METAMORPHIC ROCK Crystallization Melting MAGMA

  16. Weathering & Erosion SEDIMENT Transport Weather /Erode into sediments - Sedimentary Deposition Extrusive IGNEOUS ROCK Intrusive SEDIMENTARY ROCK Burial Heat & Pressure METAMORPHIC ROCK Crystallization Melting MAGMA

  17. Weathering & Erosion SEDIMENT Transport Deposition Extrusive IGNEOUS ROCK Intrusive SEDIMENTARY ROCK Heat & Pressure - Metamorphic Burial Heat & Pressure METAMORPHIC ROCK Crystallization Melting MAGMA

  18. Weathering & Erosion SEDIMENT Transport Deposition Extrusive IGNEOUS ROCK Intrusive SEDIMENTARY ROCK Burial Melt & Crystallize into Igneous Heat & Pressure METAMORPHIC ROCK Crystallization Melting MAGMA

  19. Weathering & Erosion SEDIMENT Transport Weathering & Erosion Deposition Extrusive IGNEOUS ROCK Intrusive SEDIMENTARY ROCK Heat & Pressure Burial Heat & Pressure Melt & Crystallize METAMORPHIC ROCK Crystallization Melting MAGMA

  20. In Conclusion… • The rock cycle demonstrates the relationships among the three major rock groups • It is powered by the Earth’s heat • It involves processes on the Earth’s surface as well as the Earth’s interior • It connects the “water cycle” with the “tectonic cycle”.

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