PLATE TECTONICS

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7 Terms

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Theory of plate tectonics

LITHOSPHERE - Crust and uppermost part of the mantle constitutes the earths strong, rigid outer layer.

ASTHENOSPHERE - is a hotter weaker region in the mantle, lies below LITHOSPHERE

ROCKS in ASTHENOSPHERE are solid but are quite ductile. It responses a SLOW FLUID LIKE FLOW to the forces acting on them.

LITHOSPHERE reposnds to the forces acting is BENDING OR BREAKING!

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LITHOSPHERE

- Crust and uppermost part of the mantle constitutes the earths strong, rigid outer layer.

3
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ASTHENOSPHERE

- is a hotter weaker region in the mantle, lies below LITHOSPHERE

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ROCKS in ASTHENOSPHERE

are solid but are quite ductile. It responses a SLOW FLUID LIKE FLOW to the forces acting on them

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LITHOSPHERE

LITHOSPHERE reposnds to the forces acting is BENDING OR BREAKING!

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EARTHS MAJOR PLATES

seven major lithospheric plates

the largest is the PACIFIC PLATE

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