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Metamorphic Rock.

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Presentation on theme: "Metamorphic Rock."— Presentation transcript:

1 Metamorphic Rock

2 At your table, assign each person a particular card suit
At your table, assign each person a particular card suit. Who will be diamonds, spades, clubs and hearts?

3 What do you think of when you hear the term “morph?”

4 Metamorphic Rocks Form when heat and pressure beneath Earth’s surface change or morph a rock. What does the word “contact” mean? What does the word “region” mean?

5 Contact Metamorphism A rock is formed because magma contacts or touches rock and heats it up. ’s Why does contact metamorphism not create an igneous rock?

6 Regional Metamorphism A rock is formed because pressure chemically changes the rock. Occurs DEEP in the Earth OR where crust collides ’s What types of rocks do you think can become metamorphic rock?

7 Examples of Metamorphic Rocks Granite = Gneiss Shale = Slate Sandstone = Quartzite Limestone = Marble Muscovite = Schist s What type of rock is granite and shale? What type of rock is sandstone and limestone?

8 Foliated Layers or bands of a rock
Gneiss

9 Non-Foliated No pattern to the grains

10 Index – where you find something that you are looking for in a book
Index mineral – we KNOW how much heat and pressure are needed to form it, so that helps us KNOW how much pressure was in the area around it.

11 Granite Gneiss

12 Sandstone Quartzite

13 Muscovite Schist

14 Shale Slate


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