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No. A sill forms when magma hardens parallel to the rock layers, which is usually horizontal. When magam hardens vertically, it forms a dike.

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When magma hardens and comes to the earths surface what is it called?

If the magma has hardened before being exposed at the surface it would be considered an intrusive igneous rock. It is hardens at or near the surface, it would be called extrusive igneous rock.


When magma comes up to earths surface and hardens what is it called?

When magma comes up to Earth's surface and hardens, it is called lava.


When volcano lava cools at the surface?

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.


What is it called when magma hardens beneath the earths surface?

crust


How does intrusive rock form?

intrusive rock froms when magma cools or hardens underneath the earth. :)


How does magma change the earth surface?

When magma erupts on to the earth's surface it hardens and forms new land.It depends on if your talking about magma or lava, lava is on the surface of the Earth and magma is inside (underground).


Which type of rock does magma form when it hardens?

Magma forms igneous rock when it cools and hardens. Igneous rocks can be further classified as intrusive (formed below the surface) or extrusive (formed on the surface).


What does magma harden into once it reaches earth's surface?

It hardens because it cools.


Type of igneous rock which is formed when magma underneath the earths surface solidifies and hardens?

Well, there are a few formations ; sills, loccoliths, lopoliths, dykes, layered igneous intrusions and batholyths.


What is magma that hardens on earth surface called?

magma is a layer of earth surface.Or the hot layer of earth. P.S I am not sure of the answer


Do Volcanic necks and dikes form when magma cools and hardens into rock after reaching the surface?

No, these features form when magma cools into rocks BEFORE reaching the surface.


What are rocks that form when magma hardens beneath earths surface called?

intrusive igneous rock