Magma
pressure from the heat under the earths surface
well i don't know the answer hhhahahaahahh
Lava
That depends where it is. On the surface of the planet it would be lava and in the earths core it would be the mantle.
obsidian is one of them
Igneous rock. Extrusive igneous rock forms at or near the surface, intrusive igneous rock forms below the surface.
Intrusive igeneus such as basalt
Yes it is call a crust 😁
fre
Molten rock material on Earth's surface is called lava. When under Earth's surface it's called magma
Molton rock that flows from a volcano onto Earths surface is
The type of igneous rock that hardens under the earths surface is called the Intrusive Igneous Rock. Intrusive Igneous Rocks are of two main types, Hypabasal and Plutonic. The plutonic forms at deeper depths.