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Volcano Terms

Terms related to volcanoes

a process that occurs at divergent plate boundries rifting
is an instrument that detects earth's movements seismometer
a large circular depression, with a diameter of about 5 km lies within the vocano's summit caldera
those that form when explosive eruptions of sticky lava alternate with quieter eruptions of volcanic rock bits composite-cone volcano
melted rock, it is less dense than its other surrounding material magma
is made of layers of cinders cinder-cone volcano
is any opening in earth's crust through which hot gases, rocks, and melted material erupt volcano
forms when lava flows quietly from a crack in earth's crust sheild volcano
extremly hot places deep within earth's mantle hotspot
magma then rises and forms a chain of volcanoes island arc
magma that flows out onto earth's surface from a volcano, when magma researches earth's surface lava
Created by: socr chick15