Multiple Choice
Sills are ____.
A) composed of extrusive igneous rock
B) mushroom-shaped flows of basalt
C) vertical walls of intrusive igneous rock cutting across rock layers
D) horizontal sheets of intrusive igneous rock between rock layers
E) the largest type of igneous intrusion
Correct Answer:
Verified
Correct Answer:
Verified
Q48: Discuss multiple factors that can cause a
Q49: The steepest angle that a pile of
Q50: The eruption of molten rock material from
Q51: Laccoliths are made by _.<br>A)pyroclastic flows<br>B)plug dome
Q52: The modified Mercalli scale measures _. <br>A)earthquake
Q54: The many parallel ridges and valleys of
Q55: The least explosive volcanic eruptions usually come
Q56: An earthquake epicenter is the _. <br>A)point
Q57: The bending or crumpling of ductile rock
Q58: The East Coast of the United States