SIOUX CITY (KTIV) - Gather your supplies! In this episode we will use everyday materials to learn about the formation of volcanoes. Volcanoes are openings where lava, small rocks, and gas erupt ...

Related: The moon was once covered in an ocean of magma: new data supports theory] Glass formation is a complex ... implying that volcanoes were active on the moon 120 million years ago.

Continental arcs are generated when an oceanic plate dives (i.e. subducts) beneath continental crust, causing melting in the mantle and the formation of volcanoes on the overriding continent. In ...

This movement of the ocean floor produces a "mineral transmutation," which leads to the melting and solidification of magma - that is, the formation of volcanoes. Basically, when a "downgoing ...