Igneous Rock -

igneous rock  Igneous rock or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic Igneous rocks are formed through the Igneous rock classification is based in two main features: the modal mineralogy and grain size, which is also a criterion to distinguish

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 Igneous rocks are formed from the cooling and solidification of molten rock, also known as magma or lava Magma is found deep within the Earth's mantle, where

Because of how igneous rocks are formed, they're the most common type of rock in the Earth's surface In fact, combined with metamorphic rock, igneous rock Igneous rocks form from cooling magma Magma that erupts onto Earth's surface is lava The chemical composition of the magma and the rate at