Volcano Vocabulary Crossword

long belt of volcanoes that circles much of the Pacific Ocean
volcanic activity that occurs within a plate
a concentration of heat in the mantle capable of producing magma, which rises to Earth's surface
a substance's resistance to flow
an opening to the surface
Located at the summit of many volcanoes is a steep-walled depression called
are produced by the accumulation of fluid basaltic lavas
ejected lava fragments that harden in the air build a
is a large, nearly symmetrical volcanic mountain composed of layers of both lava and pyroclastic deposits
a landform made of magma that hardened in a volcano's pipe and later was exposed by erosion
the structures that result from the cooling and hardening of magma beneath Earth's surface are called
is a pluton that forms where magma flows between parallel layers of sedimentary rock
a large depression typically caused by collapse or ejection of the summit area of a volcano
landform produced by repeated eruptions of fluid basaltic magma that builds up in thick layers
occurs when water-soaked volcanic ash and rock slide rapidly downhill
is a lens-shaped pluton that has pushed the overlying rock layers upward
is a pluton that forms when magma moves into fractures that cut across rock layers
is a body of intrusive igneous rock that has a surface exposure of more than 100 square kilometers
particles produced in volcanic eruptions are called
repeated eruptions of lava or pyroclastic material eventually build a mountain called a