Volcano Anatomy
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VOLCANO VOLCANISM ANATOMY UNDERGROUND
VENT
INTRUSION
CRATER
VOLCANIC NECK
CALDERA
DIKE
MAGMA CHAMBER
SILL
PIPE
LACCOLITH PLUTON EXPLOSIVE ERUPTION
BATHOLITH DANGEROUS
STOCK GRANITIC
MAGMA FELSIC
COMPOSITE SILICA VOLCANO
STRATO VOLCANO AA SUBDUCTION MOUNT ST. HELENS
BOMB
GLOWING CLOUD
ASH
KRAKATOA
DUST
PYROCLASTIC DEBRIS CINDER CONE
TUFF
FLANK ERUPTION
TEPHRA
WIZARD ISLAND
CINDER SHIELD VOLCANO MAUNA LOA
QUIET ERUPTION COLUMBIA
BASALT PLATEAU
PAHOEHOE VOLCANO LIFE CYCLES OCEANIC
ACTIVE
MAFIC
DORMANT
SHEET VOLCANO EXTINCT ROCK CYCLE
HEAT WITHIN OCEANIC
RADIOACTIVE CONTINENTAL
DECAY SEDIMENTARY
FRICTION IGNEOUS
ORIGINAL HEAT METAMORPHIC
FOLIATED LARGE GRAIN
NON-FOLIATED
GRANITE
MARBLE
GABBRO
QUARTZITE
SYENITE
SCHIST
EXTRUSIVE
GNEISS
GLASSY INTRUSIVE
SMALL GRAIN RYOLITE
BASALT
OBSIDIAN