Earth Science: Geology, the Environment, and the Universe, New York

Section 3: Metamorphic Rocks

Metamorphic Rocks

1.
__________ metamorphic rocks are formed at high temperatures and medium to low pressures.
A)Regional
B)Contact
C)Low-grade
D)Hydrothermal
2.
Before metamorphism, marble was what type of rock?
A)schist
B)rock salt
C)siltstone
D)limestone
3.
Metamorphic rocks with aligned minerals have a __________ texture.
A)distinct
B)compact
C)nonfoliated
D)foliated
4.
What do different grades of metamorphic rocks reflect?
A)relative amount of compaction
B)relative amount of pressure only
C)relative amount of temperature and cementation
D)relative amount pressure and temperature
5.
What type of metamorphic rock is a result of increased pressure and temperature affecting large regions of Earth's crust?
A)regional metamorphism
B)hydrothermal metamorphism
C)contact metamorphism
D)foliated metamorphism
6.
Using the figure, what is the temperature range to produce low-grade regional metamorphic rock?
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A)0-200 degrees C
B)0-375 degrees C
C)200-600 degrees C
D)more than 750 degrees C
7.
According to the figure above, which is NOT a factor in determining regional metamorphism grades
A)pressure
B)depth
C)heat
D)time
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