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VOLCANOS
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Magma Chamber
Magma that collects in a pocket of the volcano
Pipe
a long tube in the ground that connects the magma chamber to the surface
vent
molten rock and gas leave a volcano through an opening
Lava flow
is the area covered by lava as it pours out of the vent
crater
is a bowl shaped area that may form at the top of volcano
Pyroclastic Flow
Occurs when sn explosive eruption hurls out a mixture of gas ash cinders and bombs
dormant
a volcano that will awaken in the future and become active.
extinct
dead volcano unlikely to erupt again
Shield Volcano
a volcano that is gently sloping mountain lava flows build it wide
Cinder cone volcano
Steep cone shape hill or small mountain called a
composite volcano
are tall cone shaped mountains with layers of ash
caldera
a huge hole left by a collapse of volcano mountains
volcanic neck
looks like a giant tooth stuck in the ground and forms when magma hards in a volcanic pipe
dike
magma that forces it self across rock layers and hardens into a dike
sill
When magma squeezes between horizontal layers of rock. it forms sill
batholith
large rock masses called form the core of mountain ranges. and a large body of magma cools in it
geothermal energy
magma a few kilometers beneath earth surface and heats underground water
geyser
is a fountain of water and steam and that erupts from the ground
Author
cooldude2198
ID
206834
Card Set
VOLCANOS
Description
VOLCANO IS DA BOMB.COM
Updated
3/12/2013, 10:08:21 PM
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