Fibers from the medial side of each eye cross over to the opposite side of the brain at the?
The definition of metamorphic is characterized or formed by changing. An example of something metamorphic is a caterpillar turning into a butterfly; a metamorphic animal. of, characterized by, causing, or formed by metamorphism or metamorphosis.
Summary. 1  Any type of rockâigneous, sedimentary, or metamorphicâcan become a metamorphic rock. 2  Heat and pressure form metamorphic rocks. 3  Magma can cause existing rocks to change into metamorphic rocks. 4  Metamrophic rocks can be classified by their texture: foliated, nonfoliated.eat and/or pressure then change the rock into a metamorphic rock. The change can be physical, chemical, or both. Think of the inside of the Earth is like an oven. The Earth bakes the rocks and chemically changes the minerals inside them.