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Transcript
Obsidian
Igneous Rocks
Metamorphic Rocks
Igneous rocks are rocks that are
formed directly by the melting of molten rocks(magma). Most igneous rocks are part of silicate group.
Meta --> means change. Morph --> means form.
Metamorphic rocks are rocks that are formed
through recrystallization due to high pressure
and temperature. Any type of rock can
be an metamorphic type rock.
Slate
Rocks
Sedimentary Rocks
Igneous rocks that weathered and eroded. Formed from sediments combined together on a rock deposited by water, air, or ice.
Coquina