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Earth Science

Volcano a mountain, that has a crater through which lava, rock fragments, that has been erupted from the earths .
Lava hot molten rock.
Magma hot fluid.
Crater a large, bowl-shaped cavity in the ground.
Vent an opening at the earths surface.
Pipe a vertical conduit below a volcano though which magma passes.
Lavaflow a mass of flowing lava.
Ring of fire an area in the basin of the Pacific Ocean where a large number of earthquakes and volcanoes eruption occur.
Element a substance consisting of atoms which all have the same number of protons.
Viscosity a measurement in fluid to deformation under shear stress.
Silica a hard colorless compound that occurs as the mineral quartz.
Pahoehoe basaltic lava forming smooth undulating.
AA a variety of flow lava which rough surface of broken blocks.
Compound a substance formed when two or more chemical bonds common in compounds.
Subduction a process that take place at convergent boundaries by which one tectonic plate.
extinct A volcano that is no longer active and is unlikely to erupt again.
dormant A volcano that is not currently active, but that may become active in the future.
active A volcano that is ready to erupt at anytime.
cinder cone volcano A steep, cone-shaped hill or small mountain made of volcanic ash,cinders, and bombs piled up around a volcano's opening.
shield volcano A wide, gently sloping mountain made of layers of lava and formed by quiet eruption.
composite volcano A tall, cone-shaped mountain in which layers of lava alternate with layers of ash and other volcanic materials.
caldera The largest hole at the top of a volcano formed when the roof of a volcano's magma chamber collapses.
batholith A mass of rock formed when a large body of magma cools inside the crust.
Lava Plateau
sill A slab of volcanic rock formed when magma squeezes between layers of rock.
dike A slab of volcanic rock formed when magma forces itself across rock layers.
hot spring An area where magma from deep within the mantle melts through the crust above it.
geyser A fountain of water and stream that builds up pressure underground and erupts at regular intervals.
Created by: 1964523420