Tag «metamorphism»

Metamorphic rocks

Metamorphic rock

“Metamorphic Rocks” are formed from the older rocks when they are subjected to increased temperature, pressure, and shearing stresses at considerable depth in the earth’s crust. The older rocks may be either sedimentary, igneous, or other metamorphic rocks. During metamorphism, recrystallization takes place essentially in the solid-state and new minerals and new textures are produced. …

Types and classification of Rocks

On theĀ  basis of their origin, characteristics, and information, the rocks are classified into following three types: Igneous Rocks Sedimentary (Aqeous) Rocks Metamorphic Rocks (A). IGNEOUS ROCKS: The term igneous is based on the Latin word ignis meaning fire. Thus it denotes those rocks which originated through fire. Technically speaking, these rocks were formed as …