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The mass of rock formed when magma cools in the Earth's crust is called igneous rock. This process involves the solidification of molten rock material underground, leading to the formation of solid igneous rock bodies.
Do you mean under the Earth's crust or above it? If you mean under it: The heat under the Earth's crust rises and falls as it heats and cools. Above the crust, the sun heats the earth, heat rises, cools, falls back down. Hope that helps.
New crust forms at mid-ocean ridges through the process of seafloor spreading. Magma rises to the surface, cools, and solidifies to create new oceanic crust. This process helps drive the movement of tectonic plates.
Oceanic crust is denser than continental crust because it is formed from basaltic magma at mid-ocean ridges, which cools quickly and is more compact. This denser oceanic crust tends to sink lower into the mantle compared to the less dense continental crust, which is primarily composed of less dense granite rocks.
igneous rock that grows at the crust has little to no crystals visible. igneous rock that grows underground has many very large crystals. so the main difference to distinguish the two are the grain sizes. sometimes you can use weight of the rock. mot of the light rocks are rocks formed at the near surface. it may have formed from the result of trapped gases from the volcanic eruption.
it becomes part of the oceanic crust
If the magma cools on the surface of the crust, it is called extrusive igneous rock
Basalt
because the molten rock cools in the water and forms a oceanic crust
Intrusive igneous rock.
When magma cools at the surface of the Earth, it cools very quickly and hardens on the Earths crust. However, it continues flowing underneath, forming interesting textures.
Pahoehoe.
Intrusive igneous rocks do this.
A rift.
A Batholith or Pluton.
No. Granite forms underground in the crust. If granitic magma reaches the surface and cools it forms a rock called rhyolite.
Magma rises up from the earth's mantle and cools to create new crust.