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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