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Crust
(Lithosphere)
Mantle
(Asthenosphere)
Outer core
Inner core
Layers of the
Earth…read more

Slide 3

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Crust
There are two layers:
Oceanic: This is thin and dense.
Continental: This is thicker and less dense.…read more

Slide 4

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Plate margins…read more

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a r g in: Constructive p
at e m one late margin:
p l e n
r u c t ive u p wh Plate move aw
ay from each
Dest n builds . The p la te letting the ma other
i o c k c gma rise up th
Tens gets stu oceani eanic the gap. rough
la t e l a n d e o c
p e nt a n dt h
t i n r a
con togethe ted.
c
push is sub du
plate
Conservative plate margin:
Plates slide past each other creating
friction.
They can also go into each other
forming a fold mountain.…read more

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Destructive Plate Margin
Volcanoes are often created, they are very
explosive and as the plates snap the energy is
given out through an earthquake.
Nasca oceanic plate is now sub ducted under
the South American continental plate.…read more

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taska

Helpful resource!

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