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cooldude2198
on FreezingBlue Flashcards.
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Magma Chamber
Magma that collects in a pocket of the volcano
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Pipe
a long tube in the ground that connects the magma chamber to the surface
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vent
molten rock and gas leave a volcano through an opening
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Lava flow
is the area covered by lava as it pours out of the vent
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crater
is a bowl shaped area that may form at the top of volcano
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Pyroclastic Flow
Occurs when sn explosive eruption hurls out a mixture of gas ash cinders and bombs
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dormant
a volcano that will awaken in the future and become active.
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extinct
dead volcano unlikely to erupt again
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Shield Volcano
a volcano that is gently sloping mountain lava flows build it wide
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Cinder cone volcano
Steep cone shape hill or small mountain called a
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composite volcano
are tall cone shaped mountains with layers of ash
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caldera
a huge hole left by a collapse of volcano mountains
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volcanic neck
looks like a giant tooth stuck in the ground and forms when magma hards in a volcanic pipe
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dike
magma that forces it self across rock layers and hardens into a dike
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sill
When magma squeezes between horizontal layers of rock. it forms sill
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batholith
large rock masses called form the core of mountain ranges. and a large body of magma cools in it
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geothermal energy
magma a few kilometers beneath earth surface and heats underground water
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geyser
is a fountain of water and steam and that erupts from the ground
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