An igneous rock has crystallized and solidified from molten rock (magma) either below ground (intrusive igneous rock) or at or near the surface (extrusive igneous rock). Igneous rocks are composed of minerals.
Asked in Rocks and Minerals
How are igeneous rock formed?
Igneous rocks are formed by heat, pressure and cooling. They can be formed inside a volcano or outside a volcano. If they are formed outside the volcano the rocks are called extrusive igneous rocks, like basalt. If it is formed inside the volcano the rocks are called intrusive igneous rocks, like granite. ...
Asked in Geology
What are igneous rocks that form inside earth called?
Igneous rocks that are formed underground are known as intrusive igneous rocks. Igneous rocks that cool into a solid material are known as extrusive igneous rocks. ...
Asked in Igneous Rock
What groups of rocks can igneous rocks be formed from?
igneous rocks are formed by magma reaching earths surface and cooling quickly to form extrusive igneous rock.another igneous rock is called intrusive igneous rock. it is formed when magma cools and hardens below the surface. ...