Is serpentinite rock extrusive or intrusive?

Answer 1

Syenite - Wikipedia, the free encyclopedia

Syenite is a coarse-grained intrusive igneous rockof the same general composition as granite but with the quartz either absent or present in relatively small amounts (<5%). The feldspar component of syenite is predominantly alkaline in character (usually orthoclase) . Plagioclase feldspars may...

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en.wikipedia.org/wiki/Syeniteen.wikipedia.org/wiki/Syenite

Answer 2

Serpentinite is typically formed from the alteration of ultramafic rocks (like peridotite) through hydration and metamorphism. These ultramafic rocks are usually found deep within the Earth's crust and are considered intrusive rocks. So, serpentinite is formed from an intrusive rock and is not considered either extrusive or intrusive itself.

Answer 3

Sandstone is not extrusive. However, it is intrusive. It is intrusive because it cools before it reaches the actual surface.

Answer 4

Niether. Extrusive and intrusive are terms that apply to igneous rocks. Gneiss is metamorphic.

Answer 5

its contrusive

Answer 6

intrusive