Classification of Metamorphic Rocks | Geography
Metamorphic rocks are classified on the basis of foliation into the following types: 1. Foliated Metamorphic Rocks 2. Non-Foliated Metamorphic Rocks. 1. Foliated Metamorphic Rocks: i. Slate: Slates are formed due to dynamic regional metamorphism of shales and other argillaceous rocks. Slates are characterized by the 'presence of numerous closely- spaced parallel planes of splitting or cleavage' but the splitting [...]