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Slide 1

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The earth's crust is broken down into a series of
plates...…read more

Slide 2

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There are two different types of plates...
· Oceanic plates- these are denser and
made of Basalt.
· Continental plates- thicker and made
of granite.…read more

Slide 3

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Types of plate movement...
· Destructive or compressional plate boundary...
3. The continental plate
is pushed up and forms
a fold mountain.
2. Energy builds up due to
the melting plate, the lava
rises upwards which causes a
volcanic eruption.
1. The denser plate is pushed down into the
mantle and melts in the subduction zone.…read more

Slide 4

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Types of plate movement...
· Constructive or tensional plate boundaries...
2. In the gap lava rises from
1. Plates are pulling apart the mantle forming a shield
from each other. volcano.
3. Ridges are formed from
the under sea volcanoes.…read more

Slide 5

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Types of plate movement...
· Conservative or passive plate boundaries...
1. Plates are moving in
opposite directions along
side one and other.
2. The can get stuck and
suddenly jerk past each other
which causes major
3. No volcanoes are formed
at this type of boundary.…read more

Slide 6

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How are fold mountains formed?
· Fold mountain formation takes thousands of years...
3. After many years the sediments
1. A river deposits
are compressed down to form
sediments in a
sedimentary rocks.
geosyncline (large
hole) 2. The sediments
collect and from
layers in the
4. The plates either side of the
The fold have names... geosyncline then start to push
towards each other, which pushes
the rock upwards into folds.
Syncline…read more


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