What does intrusive rock mean in geology?

One way to describe intrusive rocks is that they are formed when magma cools and crystallizes underground. It forms large, thick veins of rock. When these veins are exposed on the surface, they are called intrusive bodies. They can form underground mountains. Granite, for example, is an example of an intrusive rock.

What does intrusive rock mean in English?

In geology, intrusive rocks are igneous rocks that form at the surface of the earth. They can be very large, up to several kilometers thick, and typically look like a bunch of small, rounded hills or mountains, often capped by a glistening quartz crystal or other stone. Most types of intrusive rocks are formed from molten magma (basically, lava) that solidifies underground, rather than from eruptions of molten rock that burst through the surface.

What does intrusive rock mean in geology terms?

Cooling magma is less dense than surrounding rocks. As the magma cools, it crystallizes and creates an intrusion in surrounding rocks. This type of rock is known as intrusive rock. The magma that made the rock intrusion may have crystallized before entering the surrounding rocks or it may have crystallized within the surrounding rocks.

What does intrusive rock mean in German?

“Intrusive” means that the magma that formed these rocks was injected into cracks in the earth’s surface. These rocks were created when molten magma forced its way up through cracks in the earth’s surface, solidifying as it came up.

What does intrusive rock mean in a sentence?

A common misconception about intrusive rocks is that they are formed deep underground when magma rises to the surface. In reality, intrusive rocks form at the surface and travel to great depths. They are created when molten rock, called magma, is injected into cracks in the Earth’s surface. The magma cools and crystallizes as it solidifies. The solidified magma forms a rock called dike. The dike can travel for many miles through the Earth’s crust,