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Volcanic Landforms
Inside Earth: Chapter Three, Section Three
Term | Definition |
---|---|
shield | a wide, gently sloping mountain made of layers of lava and formed by quiet eruptions. |
cinder cone | a steep, cone shaped hill or mountain made of volcanic ash, cinders, and bombs piled up around a volcano's opening. |
composite | 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 a 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. |