Lecture9 rockcycle

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  • 1. The Rock Cycle
  • 2. Quiz 3!
  • 3. Rock cycle metamorphic rocks igneous rocks sedimentary rocks important to note rock types, processes, intermediary states, and shortcuts
  • 4.  
  • 5.  
  • 6. IGNEOUS ROCK
  • 7. Magma cools & solidifies Igneous Rock The Rock Cycle
  • 8. Weathering- Surface processes that physically disrupt and chemically change rocks
  • 9. Transport of Weathered Materials
  • 10. Sediment Deposition
  • 11. Magma cools & solidifies Igneous Rock Weathering Transport & Deposition Sediment The Rock Cycle
  • 12. SEDIMENTARY ROCK Lithification 1 mm
  • 13. cools & solidifies Igneous Rock Weathering Transport & Deposition Sedimentary Rock Lithification The Rock Cycle Magma Sediment
  • 14. Sedimentary rocks exposed in the Canadian Rockies
  • 15. cools & solidifies Igneous Rock Weathering Transport & Deposition Sedimentary Rock Lithification Weathering Transport & Deposition The Rock Cycle Magma Sediment
  • 16. METAMORPHIC ROCKS
  • 17. cools & solidifies Igneous Rock Weathering Transport & Deposition Sedimentary Rock Lithification Weathering Transport & Deposition Metamorphic Rock Heat & Pressure The Rock Cycle Heat & Pressure Magma Sediment
  • 18. Limestone- sedimentary rock Marble- metamorphic rock
  • 19. How is Turkey Like a Metamorphic Rock? Transformed in the Solid State
  • 20. If there is melting , then it’s not metamorphism
  • 21. The Rock Cycle cools & solidifies Igneous Rock Weathering Transport & Deposition Sedimentary Rock Lithification Weathering Transport & Deposition Metamorphic Rock Heat & Pressure melting Heat & Pressure melting Magma Sediment melting
  • 22. The Rock Cycle cools & solidifies Igneous Rock Weathering Transport & Deposition Sedimentary Rock Lithification Weathering Transport & Deposition Metamorphic Rock Heat & Pressure melting Heat & Pressure melting Weathering Transport & Deposition Magma Sediment melting
  • 23. The Rock Cycle cools & solidifies Igneous Rock Weathering Transport & Deposition Sedimentary Rock Lithification Weathering Transport & Deposition Metamorphic Rock Heat & Pressure melting Heat & Pressure melting Weathering Transport & Deposition Magma Sediment melting
  • 24. The Rock Cycle cools & solidifies Igneous Rock Weathering Transport & Deposition Sedimentary Rock Lithification Weathering Transport & Deposition Metamorphic Rock Heat & Pressure melting melting Heat & Pressure melting Weathering Transport & Deposition Magma Sediment
  • 25. Heat & Pressure Heat & Pressure The Rock Cycle cools & solidifies Igneous Rock Weathering Transport & Deposition Sedimentary Rock Lithification Weathering Transport & Deposition Metamorphic Rock melting melting Weathering Transport & Deposition Magma Sediment melting
  • 26.
    • Earth’s
    • Internal structure
    • Core (2200 mi)
    • Mantle (1800 mi)
    • Crust (5-25 mi)
  • 27. Inner Core Mantle Crust Outer core
    • solid (due to very high pressure)
    • composed of Fe & Ni
    • 7000-9000 °F
  • 28. Outer Core
    • molten
    • composed of Fe & Ni
    • 5400-7000 °F
    • generates magnetic field due to convective flow
    Inner core Mantle Crust
  • 29. Mantle Inner core Crust Outer core
    • majority of Earth’s volume
    • composed of oxides of Fe, Si, and Mg
    • data from volcanic material & experimental work
    • - 3300- 5100 °F
    • - divided into 3 zones
  • 30. 3 mantle zones
    • Uppermost mantle
      • - rigid
    • Asthenosphere
      • - plastic
      • - moves indpt of lithosphere
    • Mesosphere
      • - rigid
    Mesosphere Asthenosphere Uppermost mantle lithosphere mantle
  • 31. Crust
    • thin, brittle layer
    • contains continents & ocean basins
    • abundant elements: O, Si, Al, and Fe
    • Moho = discontinuity between crust & mantle
    • Lithosphere = crust +
    • uppermost mantle
    Mantle Outer core Inner core
  • 32. Continental vs. oceanic crust Continental Oceanic Thickness thick thin Composition granite basalt Elements Si & Al Fe & Mg Density low high Age old young
  • 33. Isostasy
    • maintenance of hydrostatic equilibrium of crust
    • -AKA buoyancy
    • adding weight to crust = sink
    • removing weight = rise
  • 34. Excel Demo