Which statement best describes an igneous intrusion?

A. Magma explodes to the surface and forms a smooth outer layer of rock.
B. Igneous intrusion forms when ice crystals splash into lava.
C. Magma is injected into surrounding rock, forming an igneous intrusive.
D. Magma is exported to an open area and forms iron.

the correct option here is C ) magma is injected to the surrounding rock .. actually it is a plutonic formation in which magma present beneath Earth surface deforms the shape of rocks present above it .. *
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Answered by littlestar | 2024-06-10

The right option is C. Magma is injected into surrounding rock forming an igneous intrusive .
An igneous intrusion is a formation in which magma rises up below the surface of the Earth and intrude into other rocks located above it forming an igneous intrusive and leaving them in a dome shape. The magma cools and solidifies before it gets to the surface and it is later exposed as the broken sedimentary rock on top of it gradually wears away. The two types of igneous intrusion are; intrusive and extrusive rocks.

Answered by Bistai | 2024-06-11

The best description of an igneous intrusion is option C, which states that 'magma is injected into surrounding rock, forming an igneous intrusive.' Intrusive igneous rocks form when magma cools slowly beneath the Earth's surface, allowing large crystals to develop. Erosion can later expose these rocks at the surface.
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Answered by Bistai | 2024-10-09