Earth Science: Geology, the Environment, and the Universe

Section 2: Intrusive Activity

Intrusive Activity

1
What letter in the figure depicts the possible beginning of plutons like dikes and sills?
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A)A
B)C
C)
D)none of the above
2
A __________ is a mushroom-shaped pluton with a round top and flat bottom.
A)laccolith
B)sill
C)batholith
D)stock
3
What type of texture do most plutons have?
A)intermediate grained
B)coarse grained
C)fine grained
D)pegmatitic
4
A tabular pluton that cuts across preexisting rock is called a __________.
A)dike
B)stock
C)sill
D)laccolith
5
What letter in the figure depicts the possible beginning of a pluton like a stock?
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A)C
B)A
C)B
D)none of the above
6
What is the name for an igneous intrusion that is smaller than a batholith but similar in shape?
A)sill
B)stock
C)dike
D)laccolith
7
A __________ is a large intrusive igneous rock body that covers at least 100 square km.
A)laccolith
B)batholith
C)dike
D)sill
8
What type of igneous pluton is tabular and parallel to surrounding rock layers?
A)a sill
B)a batholith
C)a dike
D)a stock
9
Which letter in the figure demonstrates magma melting rocks after they are broken off and sink?
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A)C
B)A
C)a dike
D)none of the above
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