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Volcanoes Vocabulary

Flora - Volcanoes Vocabulary Study Guide Stack

QuestionAnswer
a large depression caused by the collapse or ejection of the summit area of a volcano frollowing an eruption caldera
a mountain formed by lava and/or pyroclastic material volcano
this type of magma contains a more silica, is very thick and produces explosive, violent eruptions granitic magma
a broad, gently sloping volcano built from fluid basaltic lavas shield volcano
a concentration of heat in the mantle that can produce magma, which rises to Earth's surface hot spot
a volcano which is nearly symmetrical and is made of layers of both lava flows and pyroclastic material composite volcano
this type of magma contains less silica, is more fluid and produces quiet, nonexplosive eruptions basaltic magma
a steep-sloped volcano, shaped like a cone, which is made primarily of pyroclastic material ejected from a signle vent cinder cone volcano
the depression at the summit of a volcano crater
the measure of a fluid's resistance to flow viscosity
An opening in Earth's surface through which molten rock and gases are released vent
the volcanic rock ejected during an eruption, which includes ash, bombs and blocks pyroclastic material
Created by: sflora
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