Key Terms and Concepts

andesitic lava

ash-flow deposit

basaltic lava

breccia

caldera

crater

diatreme

fissure eruption

flood basalt

geothermal energy

hot spot

hydrothermal activity

lahar

large igneous province

mantle plume

pyroclastic flow

rhyolitic lava

shield volcano

stratovolcano

tuff

volcanic geosystem

volcano

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