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Geology vocabulary

TermDefinition
volcano a mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust.
crater the top opening of a volcano.
vent an opening through which the molten material escapes
magma molten material beneath the surface.
Lava Molten material that has found its way to the surface.
normal fault faults caused by tension forces.
reverse fault faults caused by compression forces.
strike slip fault caused by shearing forces.
tension forces that pull rocks apart
compression forces that push or squeeze rocks together
shearing forces that cause rocks on either side of faults to push in opposite directions.
folded mountains Fold mountains are mountain ranges that are formed when two of the tectonic plates that make up the Earth's crust push together at their border.
Created by: jobyrd07
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