Lava, granite, etc
Extrusive rocks are formed outside of earths surface. Intrusive rocks are formed inside earths surface.
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.
extrusive igneous rock
No the rock may have cooled underground but yes all igneous rock was once magma.
Igneous rocks are formed on and below the surface of the Earth when lava or magma cools enough to crystallize.
The Extrusive igneous rock is formed on the earths surface while the Intrusive igneous rock is formed within or inside the earths crust.
Extrusive rocks are formed outside of earths surface. Intrusive rocks are formed inside earths surface.
Volcanoes.
Mountains formed by magma that reaches the Earth's surface are called volcanoes.
Extrusive igneous rocks.
obsidian is one of them
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.
Volcanic (Extrusive) igneous rock, which are formed by lava that comes out of the earths crust, then cools and solidifies rapidly on the earths surface due to exposure to the environmental atmosphere.
extrusive because it forms on or near earths surface
extrusive igneous rock
Igneous.
Intrusive igneous rock.