Match the magma type with the appropriate magma properties, you might use a selection more than once, and you might not use a selection at all. Most common magma type (in terms of volume at the Earth's surface). High silica content Low viscosity Intermediate silica content 1. Rhyolite Highest water content 2. Andesite High viscosity 3. Basalt 4. Oceanic Typically associated with hot-spot volcanism 5. Granite Forms when continental crust melts >

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