Earth Structure IS chapter 5.3 Spanish

8 terms by jholycross 

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caldera

The large hole at the top of a volcano formed when the roof of a volcano's magmachamber collapses.

cinder cone

A steep, cone-shaped hill or small mountain made of volcanic ash, cinders, 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.

shield volcano

A wide, gentle sloping mountain made of layers of lava and formed by quiet eruptions.

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 cools inside the crust.

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