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Class 6a: Introduction to landforms or What goes up must come down

Class 6a: Introduction to landforms or What goes up must come down. Landform processes. “The summit of Mt. Everest is marine limestone” (McPhee) Tectonic forces (uplift) Gradational processes. Landform processes. Geomorphology What? Where? Why? So what? . How old is the Earth?.

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Class 6a: Introduction to landforms or What goes up must come down

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  1. Class 6a: Introduction to landformsorWhat goes up must come down

  2. Landform processes • “The summit of Mt. Everest is marine limestone” (McPhee) • Tectonic forces (uplift) • Gradational processes

  3. Landform processes • Geomorphology • What? • Where? • Why? • So what?

  4. How old is the Earth?

  5. Earth’s layers: crust • “Earth scientists are like dermatologists”

  6. Earth’s layers: mantle

  7. Earth’s layers: core

  8. Rock cycle • What's a rock? • What's a mineral?

  9. Igneous rocks • “Made from fire” • Extrusive: • Intrusive: from cooled magma

  10. Sedimentary rocks • Formed from sediment

  11. Metamorphic rocks • Formed from igneous or sedimentary rocks

  12. Plate tectonics

  13. Plate tectonics

  14. Plate tectonics

  15. Continental shields • Shields: continental cores that haven't changed much

  16. Motion of the plates • Divergence: plates moving apart • Transform: slip-strike

  17. Motion of the plates • Convergence: plates moving together • Ocean-ocean • Land-land collisions

  18. Motion of the plates • Land-ocean

  19. Terranes • Terranes:Bits of continents or islands "docking" with each other

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