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 …

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

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 …

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 …

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

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

Oct 19, 2023 · Igneous rocks form when magma (molten rock) cools and crystallizes, either at volcanoes on the surface of the Earth or while the melted rock is still inside the crust.

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 …

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, …

Feb 17, 2023 · Igneous rocks are generally formed by the process of cooling and solidification of hot molten magma. When hot, molten magma at 600 to 1,300 °C (1,100 to 2,400 °F) cools and …