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Metamorphic Rocks Study Guide. 1) Know conditions that cause metamorphism. Heat and Pressure . 1a. Where does heat and pressure come from?. Heat comes from the Earth’s mantle or magma. Pressure come from overlaying rock. 2) Define foliated.

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1a where does heat and pressure come from
1a. Where does heat and pressure come from?

  • Heat comes from the Earth’s mantle or magma.

  • Pressure come from overlaying rock.


2 define foliated
2) Define foliated

  • It describes its thin flat layers found in most metamorphic rocks.


3 know examples of foliated and non foliated rocks
3) Know examples of foliated and non-foliated rocks

  • Granite------- Gneiss

  • Sandstone------ Quartzite

  • Limestone------- Marble

  • Shale-------- Slate


4 know the types of metamorphism and how they occur
4) Know the types of metamorphism and how they occur

  • The 2 major types of metamorphism are region and local.

  • Regional- forms most of the metamorphic rock that makes up Earth’s crust.


4 cont
4) Cont.

  • Local- two types

  • 1) Contact- occurs when hot magma moves into rock, heating and changing it.

  • Low Pressure, High Temperature

  • 2) Deformational - occurs with low temperature and high pressures at faults in the Earth


5 what are parent rocks
5) What are parent rocks?

  • The original rocks that before metamorphism.

  • Example: Granite


6 what are daughter rocks
6) What are daughter rocks?

  • The rock after metamorphism..

  • Example: Gneiss


7 where does heat and pressure come from
7) Where does heat and pressure come from?

  • Heat- Mantle or magma

  • Pressure- Overlaying rock


8 what happens to heat and pressure as you move further into the earth
8) What happens to heat and pressure as you move further into the Earth

  • Heat and pressure will both increase..

  • What do you think happens to metamorphism deep in the Earth?


9 what is regional metamorphism and how does it occur
9) What is regional metamorphism and how does it occur?

  • Regional- forms most of the metamorphic rock that makes up Earth’s crust.

  • Makes up most mountain ranges


10 what is contact metamorphism
10) What is contact metamorphism?

  • Contact- occurs when hot magma moves into rock, heating and changing it.

  • Low Pressure, High Temperature


11 how are metamorphic rocks classified
11)How are metamorphic rocks classified?

  • Foliated and non-foliated.


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