gerakan lempeng tektonik
TRANSCRIPT
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GERAKAN LEMPENG TEKTONIKGERAKAN LEMPENG TEKTONIKGERAKAN LEMPENG TEKTONIKGERAKAN LEMPENG TEKTONIK
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earthquakes and plate tectonicsearthquakes and plate tectonicsearthquakes and plate tectonicsearthquakes and plate tectonics
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Global Earthquake PatternsGlobal Earthquake PatternsGlobal Earthquake PatternsGlobal Earthquake Patterns
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Where Earthquakes Occur
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A
Divergent
B
Convergent
C
Transform
•plates are moving apart
•new crust is created
•Magma is coming to the surface
•plates are coming together
•crust is returning to the mantle
•plates are slipping past each other
•crust is not created or destroyed
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A
Divergent
B
Convergent
C
TransformContinental crust
rift valley
Oceanic crust mid-ocean ridge
2 continental plates mountain range
Plates move against each other
Stress builds up
Stress is released
earthquake2 oceanic plates oroceanic + continental subduction
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GRABEN
HORST
NORMAL
REVERSED
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