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Crustal Deformations.

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Presentation on theme: "Crustal Deformations."— Presentation transcript:

1 Crustal Deformations

2 4 types Compressions Tensions Folding Faulting

3 Compressions Causes the Earth to be pushed in on itself
Can lead to folding or faulting

4 Tension Causes to Earth to be pulled apart, or thinned out
Can lead to folding or faulting

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6 Folding Bending of the Earth’s crust
Can lead to the formation of mountains, valleys, canyons, and other landforms

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10 Faulting Breaking of the Earth’s crust
Can lead to the formation of mountains, valleys, canyons, and other landforms

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13 Table activity Take the next five minutes to compare and contrast folding and faulting. Give at least 2 similarities and 2 differences

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15 Mountains Landform that stretches above the surrounding land
Steeper than a hill

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17 Plain Area of very flat land
Includes prairies, grasslands, and forests

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20 Plateau Has a high elevation and level surface
May contain streams and rivers across them

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23 Plate Boundaries The edges of the Earth’s plates which cause folding and faulting Three types: divergent, convergent, and transform

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25 Divergent Boundary Where plates are moving away from each other
Where tension occurs

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28 Convergent Boundary Where the plates are moving towards each other and collide Where compression occurs

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30 Transform Boundary Where the plates rub against each other back and forth

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33 Subduction Where one plates collides with another and one plate moves under the other Creates mountains, volcanoes, and earthquakes

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