Metamorphic rock can change into igneous or sedimentary rock. Igneous rock forms when magma cools and makes crystals. Magma is a hot liquid made of melted minerals. The minerals can form crystals when they cool.
Any rock, be it igneous, sedimentary or metamorphic, can be changed into a metamorphic rock through increased pressure and/or temperature. Any rock, be it igneous, sedimentary or metamorphic, can be changed into a metamorphic rock through increased pressure and/or temperature. Minor edit? SaveCancel.
