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By applying more and more pressure to a piece of aluminum foil “clay,” we can discover, stage by stage, how heat and pressure turn clay into slate, phyllite, and finally schist.It is an educational co ...
Magma is a mixture of molten rock and solids, found deep underneath the surface of the earth. It's most commonly associated with volcanoes, which shoot lava,which is magma that has come up from underg ...