LAVA mindmap
- Created by: maisy2
- Created on: 24-04-19 18:05
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- LAVA
- rhyolitic lava
- 650-800 c
- 70% silica
- very violent eruptions
- thick and stiff
- composite or supervolcanoes
- formed by melting of mantle and subducted plates
- 4-6% gas content
- basaltic lava
- 1000 - 1200 c
- thin and runny
- formed by plumes
- gentle and effusive eruptions
- hotspots, mid-ocean ridges and shield volcanoes
- 0.5-2% gas content
- 50% silica
- andesitic lava
- 800 - 1000 c
- erupts violently and explosivley
- 3 - 4% gas content
- formed by subducted oceanic plates
- slow viscous lava
- pyroclastic flow
- 60% silica
- rhyolitic lava
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