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__________________________________________ __________________________________________ __________________________________________ __________________________________________ Metamorphic Rock Reading Guide: Section 4-4 (pages106-111) 1. Metamorphic rocks get their name from the word metamorphism. The Greek word ________________ means changed, and the Greek word __________________ means form. 2. The forces of ___________________ and ________________ can create metamorphic rocks. ORIGINS OF METAMORPHIC ROCK 3. Pressure caused by large movements within the crust sometimes causes the ___________________________ in metamorphic rocks to align themselves in parallel bands. 4.During _____________________________, rock is heated by nearby magma. 5.When pressure builds up in rock that is buried under other rock formations, __________________________________ occurs. 6.Regional metamorphism occurs deep in the Earth's ____________________. COMPOSITION OF METAMORPHIC ROCK 7. Some metamorphic minerals form only at certain temperatures and pressures. These minerals are known as ______________________________. 8. Geologists use the above minerals to determine what three things about a metamorphic rock when it forms? ________________________________________ ________________________________________ ________________________________________ TEXTURES OF METAMORPHIC ROCK 9. The texture of metamorphic rock in which the mineral grains are arranged in bands is called _______________________________. An example of this type of metamorphic rock is ______________________. 10. The texture of metamorphic rock in which the mineral grains are not arranged in bands is called ____________________________________. An example of this type of metamorphic rock is _______________________. 11. Crystals in a non-foliated metamorphic rock may change in size or composition. This process is called ___________________________. METAMORPHIC ROCK STRUCTURES 12. The change in the shape of a rock caused by a force placed on it is called ______________________________.