Metamorphic rocks close metamorphic rockMetamorphic rocks are those rocks which have been changed from an earlier state through the addition of pressure or heat.s. have been subjected to ...

The classification of shock features in meteorites ... Rocks formed from the solidification of molten material (magma or lava). Metamorphic Rocks: Rocks that have been transformed from their ...

Metamorphic rocks are the third main classification. These started out as other types of rock but were changed by high heat and pressure. In this article, we'll list 30 types of rock with pictures ...