Igneous rock (igneous from Latin igneus 'fiery'), or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rocks are formed through the cooling and …

Jan 31, 2024 · Learn about igneous rocks in geology, including their origin, properties, and classification. Get examples and identification tips.

Oct 31, 2025 · Igneous rocks constitute one of the three principal classes of rocks, the others being metamorphic and sedimentary. Igneous rocks are formed from the solidification of magma, which is a …

Igneous rocks form when molten rock (magma or lava) cools and solidifies. They are classified by composition (felsic to mafic) and texture (fine to coarse-grained). Igneous rocks make up much of …

What are igneous rocks? Igneous rocks (from the Latin word for fire) form when hot, molten rock crystallizes and solidifies. The melt originates deep within the Earth near active plate boundaries or …

The meaning of IGNEOUS is formed by solidification of magma. How to use igneous in a sentence.

Nov 8, 2023 · Igneous rocks are “fire-born,” meaning that they are formed from the cooling and solidification of molten (melted) rock. The word igneous derives from ignis, the Latin word for “fire.”

Photographs and descriptions of intrusive and extrusive igneous rocks with photos and links to detailed articles by Geology.com

Jun 5, 2025 · Rocks can be categorized into one of three types: sedimentary, metamorphic and igneous. Igneous rock is formed when magma, which is liquid molten rock, cools or sets, solidifying into rock …

Oct 21, 2017 · The igneous rocks are formed at high temperature directly as a result of solidification or crystalization of magma or lava. Based on the mode of occurrence igneous rocks are classified as …