Metamorphic rocks are shaped when physical and chemical modifications happen to igneous, sedimentary, or other metamorphic rocks. Sedimentary rocks make up nearly all of Earth’s floor, but They're only a portion of Earth’s complete rock. gneiss Gneiss shows a properly-created foliation and a inadequately produced schistosity and cleavage. It is https://rock-sticks13345.glifeblog.com/35113734/little-known-facts-about-sticks-of-rock