Is taken with the Greek for “improve of variety”; metamorphic rocks are derived from igneous or sedimentary rocks which have altered their sort (recrystallized) because of modifications of their Actual physical atmosphere. Metamorphism comprises improvements both equally in mineralogy As well as in the fabric of the first rock. Basalt https://rock-sticks01233.bloguerosa.com/35311203/rock-sticks-no-further-a-mystery