Igneous Rocks and Processes: A Practical Guide

igneous rock  Igneous Examples: 10 Rock Types Explained · Igneous Rocks and Formations · Andesite Rock · Basalt Rock · Dacite Rock · Granite Rock · Obsidian Rock · Pegmatite According to the definitions, igneous rocks are rocks created when molten rock, or rock that has been liquefied by extreme heat and pressure, cools to a solid

Sub-divisions of Igneous rockHide · Acidite · Anthraphyre · Aphanide · Eutectite · Ferroplete · Normal crystalline igneous rock · Alabradorite Igneous rocks can be divided into four categories based on their chemical composition: felsic, intermediate, mafic, and ultramafic The diagram of Bowen's

Summary Igneous rocks are those formed by the solidification of molten rock This molten material, which we call magma, is formed at depth Scientists have divided igneous rocks into two broad categories based on where the molten rock solidified Volcanic rocks (also called extrusive