Section #: 18.2
Intrusive Activity
Practice Test
1.
What type of igneous pluton is tabular and parallel to surrounding rock layers?
SC.D.1.4.2
a.
a dike
b.
a stock
c.
a sill
d.
a batholith
Hint
2.
What type of texture do most plutons have?
SC.D.1.4.2
a.
pegmatitic
b.
fine grained
c.
intermediate grained
d.
coarse grained
Hint
3.
What is the name for an igneous intrusion that is smaller than a batholith but similar in shape?
SC.D.1.4.2
a.
sill
b.
dike
c.
laccolith
d.
stock
Hint
4.
A __________ is a mushroom-shaped pluton with a round top and flat bottom.
SC.D.1.4.2
a.
laccolith
b.
sill
c.
batholith
d.
stock
Hint
5.
A __________ is a large intrusive igneous rock body that covers at least 100 square km.
SC.D.1.4.2
a.
batholith
b.
sill
c.
dike
d.
laccolith
6.
What letter in the figure depicts the possible beginning of plutons like dikes and sills?
SC.D.1.4.2
a.
B
b.
C
c.
dike
d.
none of the above
Hint
7.
A tabular pluton that cuts across preexisting rock is called a __________.
SC.D.1.4.2
a.
laccolith
b.
dike
c.
sill
d.
stock
Hint