Which Magma Is Most Explosive? Lavas and pyroclastics are usually andesitic to rhyolitic in composition. Due to the higher viscosity of magmas erupted from these volcanoes, they are usually more explosive than shield volcanoes. What type of magma explodes? Explosive Eruptions Felsic magmas erupt explosively because of hot, gas-rich magma churning within its chamber. The
What Affects Magma Composition? Different minerals within a rock melt at different temperatures. The amount of partial melting and the composition of the original rock determine the composition of the magma. … The higher the amount of silica in the magma, the higher is its viscosity. Viscosity is a liquid’s resistance to flow. What does
How Do You Think The Location Of A Volcano Affect The Magma Composition? Both the temperature and mineral content of magma affect how easily it flows. The viscosity (thickness) of the magma that erupts from a volcano affects the shape of the volcano. Volcanoes with steep slopes tend to form from very viscous magma, while