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LITHOSPHERE. ROCK CYCLE PLATE TECTONICS VOLCANOES & EARTHQUAKES. ROCK CYCLE. Forces & Materials in the Rock Cycle. Forces WEATHERING and EROSION HEAT and PRESSURE COMPACTION and CEMENTATION MELTING and COOLING Materials IGNEOUS ROCK SEDIMENTARY ROCK METAMORPHIC ROCK MAGMA

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Presentation Transcript
lithosphere

LITHOSPHERE

ROCK CYCLE

PLATE TECTONICS

VOLCANOES & EARTHQUAKES

forces materials in the rock cycle
Forces & Materials in the Rock Cycle
  • Forces
    • WEATHERING and EROSION
    • HEAT and PRESSURE
    • COMPACTION and CEMENTATION
    • MELTING and COOLING
  • Materials
    • IGNEOUS ROCK
    • SEDIMENTARY ROCK
    • METAMORPHIC ROCK
    • MAGMA
    • SEDIMENTS
plate tectonics

PLATE TECTONICS

http://www.youtube.com/watch?v=ryrXAGY1dmE

causes of plate tectonics
Causes of Plate Tectonics
  • Mantle Convection
    • Transfer of thermal energy by the movement of heated matter in the mantle
      • Rising mantle – divergent boundary
      • Falling mantle- convergent boundary
  • Push and Pull
    • Ridge push
    • Slab pull
types of boundaries
Types of Boundaries
  • CONVERGENT
    • Where 2 tectonic plates are moving together
      • Creates a subduction zone
    • Trenches, island arcs and folded mountains
  • DIVERGENT
    • Where 2 tectonic plates are moving apart
    • Volcanism, earthquakes and high heat flow
  • TRANSFORM
    • Where 2 tectonic plates are sliding horizontally past one another
    • Long faults and shallow earthquakes
convergent destroy
Convergent = Destroy

oceanic-continental

continental-continental

oceanic-oceanic

  • Form either a subduction zone or a continental collision
  • Earthquakes and volcanoes are common
  • Oceanic-Continental
    • Cascade Mountain Range
  • Continental-Continental
    • Himalayas
  • Oceanic-Oceanic
    • Mariana Trench, Japan, Aleutian Islands
divergent create
Divergent = Create
  • Black Hills, SD
  • East African Rift Valley
  • Red Sea
  • Mid-Atlantic Ridge
transform conserve
Transform = Conserve
  • Two Types
    • Dextral – right side to observer
      • San Andreas Fault
    • Sinistral – left side to observer
volcanoes

Volcanoes

http://video.nationalgeographic.com/video/environment/environment-natural-disasters/volcanoes/west-mata-submarine-volcano-vin/

http://video.nationalgeographic.com/video/environment/environment-natural-disasters/volcanoes/volcano-eruptions/

earthquakes

Earthquakes

http://video.nationalgeographic.com/video/environment/environment-natural-disasters/earthquakes/earthquake-montage/

http://video.nationalgeographic.com/video/environment/environment-natural-disasters/earthquakes/earthquake-101/

http://quakes.globalincidentmap.com/

http://earthquaketrack.com/p/united-states/north-carolina/recent

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