Geologic Processes & Rock Classification

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Author:
deadparrot69
ID:
263041
Filename:
Geologic Processes & Rock Classification
Updated:
2014-02-20 19:02:28
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rocks
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AP Environmental
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  1. What is the plate tectonics is the theory explaining what?
    the movement of the plates and the processes that occur at their boundaries
  2. What are tectonic plates?
    huge rigid plates that are moved with convection cells or currents by floating on magma or molten rock
  3. What is the importance of tectonic plates?
    plate movement adds new land at boundaries, produces mountains, trenches, earthquakes, and volcanoes
  4. Divergent
    plates move apart in the opposite direction
  5. Transform
    plates slide next or past each other in opposite directions along a fracture
  6. Core
    innermost zone with solid inner core and molten outer core
  7. Mantle
    Solid rock with a rigid outer part (asthenosphere) that is melted pliable rock
  8. Crust
    Outermost zone which underlies the continents
  9. Which two zones are made up of tectonic plates?
    Crust and upper mantle
  10. The Rock Cycle
    the interaction of processes that change rocks from one type to another
  11. Igneous (Intrusive and Extrusive) Rock
    Intrusive: Formed from the solidification of magma below ground

    Extrusive: Formed from the solidification of lava  above ground
  12. Sedimentary rock
    formed from sediments. Most form when rocks are weathered and eroded into small pieces, transported, and deposited in a body of surface water
  13. chemical precipitates
    limestone precipitates out and oozes to the bottom of the ocean
  14. Biochemical sediments
    such as peat & coal
  15. Metamorphic rock
    when preexisting rock is subjected to high temperatures, high pressures, chemically active fluids, or a combination of these
  16. Contact metamorphism
    rock that is next to a body of magma
  17. Regional metamorphism
    during mountain building; great quantities of rock are subject to intense stresses and heat

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