Igneous rock - Wikipedia
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 …
What are igneous rocks? | U.S. Geological Survey - USGS.gov
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 hot spots, then rises toward the …
IGNEOUS Definition & Meaning - Merriam-Webster
The meaning of IGNEOUS is formed by solidification of magma. How to use igneous in a sentence.
Igneous rock | Characteristics, Examples, Formation, & Types ...
Dec 24, 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 - Geology (U.S. National Park Service)
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.”
Igneous Rocks - Types, Properties, and Examples
Jan 31, 2024 · Learn about igneous rocks in geology, including their origin, properties, and classification. Get examples and identification tips.
What Are Examples of Igneous Rocks? - Biology Insights
2 days ago · Igneous rocks, named from the Latin word for fire, are fundamental components of the Earth’s crust. They originate from the cooling and solidification of molten rock material (magma or …