metamorphic rock is formed from igneous or sedimentary rock being compressed with heat and pressure until the rock is melted and is a solid rock called metamorphic rock, which is very easy to explain.
is a result of a transformation of a pre-existing rock. The original rock is subjected to very high heat and pressure, which cause obvious physical and/or chemical changes. Examples of these rock types include marble, slate, gneiss, schist.
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