Is taken with the Greek for “alter of variety”; metamorphic rocks are derived from igneous or sedimentary rocks that have altered their sort (recrystallized) as a result of modifications of their physical ecosystem. Metamorphism comprises adjustments both of those in mineralogy and in the fabric of the first rock. Sedimentary https://sticksofrock24566.blogaritma.com/34451047/helping-the-others-realize-the-advantages-of-rock-sticks