Question 1

Describe the occurrence of metamorphism along an oceanic-continental convergent plate boundary.

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Question 2

Foliated metamorphic rocks form when pressure is applied:

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A)  outward at the two sides (tension). 
B)  inward at the two sides (compression). 
C)  in a shearing environment (tension). 
D)  as compression or tension.

Question 3

Metamorphism is most common along ____________________ plate boundaries.

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Question 4

What is an isograd?

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Question 5

____________________ and ____________________ are two different types of pressures to which rocks can be subjected that can cause metamorphism.

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Question 6

Sillimanite is a(n) ____________________-temperature, ____________________-grade metamorphic mineral.

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Question 7

Describe the occurrence of metamorphism along a divergent plate boundary.

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Question 8

What are some examples of foliated metamorphic rocks?

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Question 9

How are foliated metamorphic rocks classified? Describe some of the rock types found at different grades of foliated metamorphic rocks.

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Question 10

The most important fluid promoting metamorphism is ____________________.

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Question 11

The pressure exerted on rocks by the weight of overlying rocks is called ____________________ pressure. With this type of pressure, the stress on the rock is the ____________________ in all directions.

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Question 12

What is a metamorphic facies and how are metamorphic facies named?

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Question 13

What is the significance of foliation in a metamorphic rock? (Not what is foliation, but what does it mean in terms of the rock's history?)

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Question 14

Metamorphic rocks can indicate the physical conditions that once existed in a geological setting.

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A) True 
 B)False

Question 15

Metamorphism can be caused by increased temperatures. How are temperatures raised geologically to bring about metamorphism?

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Question 16

The various colors of slate result from differing intensities of deformation.

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A) True 
 B)False

Question 17

What is lithostatic pressure?

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Question 18

What are index minerals and their importance? Give an example of minerals that would be found in low-grade, intermediate, and high-grade metamorphosed shale.

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Question 19

What are some uses of metamorphic rocks, such as marble, slate, talc, graphite, and clay?

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Question 20

What is a metamorphic zone?

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Exam 7: Metamorphism and Metamorphic Rocks