Geography A Natural Enviroment

Keywords and other stuff.

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  • Created by: Jamie
  • Created on: 13-01-13 15:05
The effects of an earthquake?
They can destroy settlements, change landscapes, and cause many deaths.
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What is a Subduction Zone?
Where a Oceanic plate is forced underneath a Continental plate.
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Convergent plate boundaries are...
Those which plates are moving TOWARDS each other.
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When two Continental plates collide they form...
FOLD MOUNTAINS.
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Collision between the EURASIAN and INDO-AUSTRALIAN plates lead to..
The formation of the HIMALAYAS.
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Which is More Dense the Oceanic plate or the Continental plate?
OCEANIC plate.
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Define SEAMOUNT
An underwater mountain rising from the ocean floor.
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Define ATOLL
A ringlike coral island and reef that nearly or entirely encloses a lagoon.
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Define CONVECTION CURRENT
Circulating movements of mfrom the core. mantle caused by heat agma in the
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Define EPICENTRE
The point on the surface directly above the focus an earthquake
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Define FOCUS
The site of movement inside the Earth's crust that results in an earthquake
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Define OCEAN TRENCH
A long, steep-sided valley on the ocean floor.
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Define FOLD MOUNTAIN
A line of mountains formed by the uplift and buckling of continental crust at a convergent plate boundary.
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Define MID ATLANTIC RIDGE
a very long narrow elevation on the ocean floor that runs all the way
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Define ISLAND ARC
A usually curved chain of volcanic islands bounded on the convex side by a deep oceanic trench.
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Define SEISMIC WAVE
an earth vibration generated by an earthquake.
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Define MAGMA PLUME
A magma plume is an up-welling of abnormally hot rock within the Earth's mantle.
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Whats a Hot Spot?
This is an area of localized swelling and cracking of the earth's crust due to an upward welling of magma.
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Other cards in this set

Card 2

Front

What is a Subduction Zone?

Back

Where a Oceanic plate is forced underneath a Continental plate.

Card 3

Front

Convergent plate boundaries are...

Back

Preview of the front of card 3

Card 4

Front

When two Continental plates collide they form...

Back

Preview of the front of card 4

Card 5

Front

Collision between the EURASIAN and INDO-AUSTRALIAN plates lead to..

Back

Preview of the front of card 5
View more cards

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Jamie

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hi jammie

Jamie

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