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Tephra |
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Tephra is an all-purpose term used to
describe any kind of rock fragment or lava that are erupted into the
air regardless of their relative size (VHP WWW Team, 2000).
This includes ash and large fragments. The farther away from
the volcano that erupted it, the smaller the pieces tend to get (VHP
WWW Team, 2000). Using these layers will help scientists
determine what kind of eruption there was.
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