It is not true. Extrusive rock forms on the surface from solidifying lava.
Some do. These are called extrusive igneous rocks. However a large portion of igneous rocks form beneath the surface. These are intrusive igneous rocks.
The substance that cools beneath the earths surface when an intrusive igneous rock forms is Magma. Magma is a molten material made up of rocks and minerals.
Extrusive rocks are formed outside of earths surface. Intrusive rocks are formed inside earths surface.
Magma is molten rock beneath the Earth's surface. When magma cools and solidifies, it forms igneous rocks. The cooling process can occur either slowly beneath the surface (intrusive igneous rocks) or rapidly on the surface (extrusive igneous rocks).
Igneous rocks do form on the earths surface. A volcano erupts and the lava that comes out cools and hardens forming igneous rocks.
Some do. These are called extrusive igneous rocks. However a large portion of igneous rocks form beneath the surface. These are intrusive igneous rocks.
intrusive igneous rock
The substance that cools beneath the earths surface when an intrusive igneous rock forms is Magma. Magma is a molten material made up of rocks and minerals.
Extrusive rocks are formed outside of earths surface. Intrusive rocks are formed inside earths surface.
Magma is molten rock beneath the Earth's surface. When magma cools and solidifies, it forms igneous rocks. The cooling process can occur either slowly beneath the surface (intrusive igneous rocks) or rapidly on the surface (extrusive igneous rocks).
No. Intrusive igneous rocks are formed beneath the earth's surface when magma cools and extrusive igneous rocks form when lava extrudes from a volcano and cools.
igneous rocks form within earths surface
The substance that cools beneath the earths surface when an intrusive igneous rock forms is Magma. Magma is a molten material made up of rocks and minerals.
Igneous rocks that form below Earth's surface are called intrusive or plutonic rocks. These rocks are formed from the solidification of magma beneath the Earth's crust. Examples include granite, diorite, and gabbro.
No
Volcanoes.
Igneous rocks do form on the earths surface. A volcano erupts and the lava that comes out cools and hardens forming igneous rocks.