Granitic Andesitic Basaltic Silica rich Silica levels lower than Silica poor granitic, higher than basaltic High gas content Intermediate gas content Low gas content Low temperature Intermediate High temperature temperature Highly viscous; stiff Medium viscosity Non-viscous; fluid Very explosive Somewhat explosive Not explosive; quiet eruptions at convergent Found at convergent at hot spots boundaries boundaries; many volcanoes found around Pacific Ocean Granitic Andesitic Basaltic Silica rich Silica levels lower than Silica poor granitic, higher than basaltic High gas content Intermediate gas content Low gas content Low temperature Intermediate High temperature temperature Highly viscous; Medium viscosity Non-viscous; fluid Very explosive Somewhat explosive Not explosive; quiet eruptions Found at convergent Found at convergent Found at hot spots boundaries boundaries; many volcanoes found around Pacific Ocean Granitic Andesitic Basaltic Silica rich Silica levels lower than Silica poor granitic, higher than basaltic High gas content Intermediate gas content Low gas content Low temperature Intermediate High temperature temperature Highly viscous; stiff Medium viscosity Non-viscous; fluid Very explosive Somewhat explosive Not explosive; quiet eruptions Found at convergent Found at convergent at hot spots boundaries boundaries; many volcanoes found around Pacific Ocean
Granitic Andesitic Basaltic Silica rich Silica levels lower than granitic, higher than basaltic Silica poor High gas content Intermediate gas content Low gas content Low temperature Intermediate temperature High temperature Highly viscous; stiff Medium viscosity Non-viscous; fluid Very explosive Somewhat explosive Not explosive; quiet eruptions at convergent boundaries Found at convergent boundaries; many volcanoes found around Pacific Ocean at hot spots Granitic Andesitic Basaltic Silica rich Silica levels lower than granitic, higher than basaltic Silica poor High gas content Intermediate gas content Low gas content Low temperature Intermediate temperature High temperature Highly viscous; Medium viscosity Non-viscous; fluid Very explosive Somewhat explosive Not explosive; quiet eruptions Found at convergent boundaries Found at convergent boundaries; many volcanoes found around Pacific Ocean Found at hot spots Granitic Andesitic Basaltic Silica rich Silica levels lower than granitic, higher than basaltic Silica poor High gas content Intermediate gas content Low gas content Low temperature Intermediate temperature High temperature Highly viscous; stiff Medium viscosity Non-viscous; fluid Very explosive Somewhat explosive Not explosive; quiet eruptions Found at convergent boundaries Found at convergent boundaries; many volcanoes found around Pacific Ocean at hot spots
Types-of-Magma-Information.docx