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Volcano Vocab 3
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A
B
pyroclastic material
fragments of rock that form during a volcanic eruption
ash
< 2 mm
dust
< 2.5 mm
lapilli
< 64 mm
bombs
spindle-shaped pyroclastic material
crater
funnel-shaped pit at top of volcano
caldera
huge opening created when a volcano top collapses into magma chamber
Yellowstone
supervolcano
Mr. Zimmer
NE
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