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The Nevado del Ruiz volcano is located on a destructive plate boundary whereby the dense, oceanic Nazca plate is being subducted under the less dense, continental South American plate. The melted rock from the Oceanic plate rises to the surface, the pressure builds until the magma erupts from the volcano. It is a composite or strato volcano meaning it is made up of layers of solidified lava and pyroclasic material.

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15y ago

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