Types of volcano

?
View mindmap
  • Volcanoes
    • Cone volcanoes
      • Lava thick and acidic
      • Doesn't flow far before cooling and solidifying
      • Have steep sides
      • Mount Pelee on Martinique
    • Shield Volcanoes
      • Lava runny and thin
      • Runs a long way before cooling
      • Gentle slopes and wide bases
      • Largest type of volcano
      • Non explosive due to low silica content
      • May last for years
      • Mount Kilauea in Hawaii
    • Composite volcanoes
      • Most deadly type of volcano
      • Made of alternate layers of ash and lava
      • Have steep sides
      • Lava cools creating a plug which blocks the vent
        • Huge explosion results when plug blows out
      • Mount St Helens, Alaska, USA

Comments

No comments have yet been made

Similar Geography resources:

See all Geography resources »See all Natural hazards resources »