Igneous Rock - an overview

igneous rock Igneous rocks are one of three main types of rocks , and they include both intrusive and extrusive

Igneous rocks can be divided into four categories based on their chemical composition: felsic, intermediate, mafic, and ultramafic The diagram of Bowen's asrock b760m Igneous rocks occur as fragmental and coherent units of varied form Disruption of liquid rock near and at the surface by the explosive expansion of dissolved