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Or Below the earth's surface.
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Rocks By Margie.

Published on Nov 20, 2015

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PRESENTATION OUTLINE

1.

IGNEOUS ROCK

IS FORMED WHEN MAGMA COOLS AND SOLIIDIFIES,IT MAY DO THIS ABOV OR
Or Below the earth's surface.
Photo by loonyowl
2.

MAGMA CAN BE FORCED INTO ROCKS,

BLOWN OUT IN VOLCANIC EXPLOSIONS OR FORCED TO THE SURFACE AS LAVA
Photo by kotramif
3.

SEDIMENTARY

ROCKS ARE FORMED BY SEDIMENT THAT IS DEPOSITED OVER TIME US UALLY AS
Layers at the bottom of lakes ocenans.
Photo by Peter Rivera
4.

THIS SEDIMENT CAN INCLUDE PLANT

AND OTHER ORGANIC MATTER
Photo by Tomasz Stasiuk
5.

METAMORPHIC

ROCKS HAVE BEEN CHANGED OVER TIME BY EXTREME PRESSURE AND HEAT.
Photo by WanderingtheWorld (www.ChrisFord.com)
6.

METAMORPHIC

ROCKS CAN BE FORMED BY PRESSURE DEEP UNDER THE EARTH'S SURFACE,
From the extreme heat caused by magma or by pressure deep under the earth's surface,from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.
Photo by Anita363

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