Earth Science Geology, the Environment, and the Universe

Chapter 6: Sedimentary and Metamorphic Rocks

Multiple Choice Quiz

1
__________ metamorphic rocks are formed at high temperatures and medium to low pressures.
A)Regional
B)Contact
C)Low-grade
D)Hydrothermal
2
According to the figure above, which is NOT a factor in determining regional metamorphism grades.
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A)pressure
B)depth
C)heat
D)time
3
Before metamorphism, marble was what type of rock?
A)Schist
B)rock salt
C)siltstone
D)limestone
4
Dissolution is an example of __________.
A)erosion
B)chemical weathering
C)physical weathering
D)limestone
5
How are clastic rocks classified?
A)method of deposition
B)particle size
C)mineralogy
D)metamorphic grade
6
The grains of a breccia most likely traveled __________ than the grains in a conglomerate.
A)a shorter distance
B)a farther distance
C)the same distance
D)a different distance
7
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
8
What are the two types of weathering?
A)erosion and physical
B)erosion and chemical
C)cementation and chemical
D)physical and chemical
9
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
10
What is the most likely way for rock at the bottom of the land in the figure to be exposed to sunlight?
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A)weathering and erosion
B)metamorphism
C)fossil digging
D)intrusive cooling
11
What processes aid in the formation of sediments?
A)erosion only
B)deposition and solidification
C)weathering and metamorphism
D)weathering and erosion
12
What type of weathering breaks rocks into smaller pieces of rock without chemical change?
A)erosional weathering
B)chemical weathering
C)clastic sediments
D)physical weathering
13
What would happen to the pond in the figure if the freshwater inflow stream and path to the ocean disappeared?
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A)It would produce extrusive igneous rocks.
B)All life will stop living in the pond.
C)Water would come from somewhere else.
D)The entire lake would eventually evaporate away, leaving only evaporites.
14
When are sediments transported by a river deposited?
A)when the velocity of the river slows down
B)when the river is transporting too much sediment
C)when the discharge of a river is increased
D)when the river gains velocity
15
Which of the following is an example of an evaporite?
A)breccia
B)coal
C)rock salt
D)shale
16
Why are sedimentary rocks important?
A)They provide many natural resources and evidence of Earth's past.
B)They provide building stones.
C)They contain fossils.
D)They contain gemstones of high value.
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