- 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 solidification of magma or lava
- Igneous Rocks - Types, Properties, and Examples
Learn about igneous rocks in geology, including their origin, properties, and classification Get examples and identification tips
- Igneous Rocks – Definition, Types, Examples, Pictures
The igneous rocks are one of the three main types of rock found on earth; the others are sedimentary rock and metamorphic rock They are the hardest and heaviest rock on earth
- Igneous Rocks | Pictures of Intrusive and Extrusive Rock Types
Intrusive igneous rocks crystallize below Earth's surface, and the slow cooling that occurs there allows large crystals to form Examples of intrusive igneous rocks are: diabase, diorite, gabbro, granite, pegmatite, and peridotite
- Igneous rock | Characteristics, Examples, Formation, Types - Britannica
igneous rock, any of various crystalline or glassy rocks formed by the cooling and solidification of molten earth material Igneous rocks constitute one of the three principal classes of rocks, the others being metamorphic and sedimentary
- 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 surface
- Igneous Rocks - National Geographic Society
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 All magma develops underground, in the lower crust or upper mantle, because of the intense heat there
- Igneous Rocks: Formation, Classification, Examples, Uses
Igneous rocks are rocks that formed from the cooling and solidification of magma or lava Magma is molten rock that is below the surface of the Earth, and lava is molten rock that has reached the surface
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