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7 Cards in this Set

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cinder cone
a steep, cone-shaped hill or mountain made of volcanic ash, cinder, and bombs piled up around a volcano's opening
composite volcano
a tall, cone-shaped mountain in which layers of lava alternate with layers of ash and other volcanic materials
caldera
the large hole at the top of a volcano formed when the roof of volcano's magma chamber collapses
volcanic neck
a deposit of hardened magma in a volcano's pipe
dike
a slab of volcanic rock formed when magma forces itself across rock layers
sill
a slab of volcanic rock formed when magma squeezes between layers of rock
batholith
a mass of rock formed when a large body of magma cooled inside the crust