Copyright

What is the difference between intrusive and extrusive igneous rocks?

Question:

What is the difference between intrusive and extrusive igneous rocks?

Igneous Rocks:

Igneous rocks are those that are formed directly from the cooling of magma or lava, as opposed to lithification or metamorphosis of existing rocks. The two main kinds of igneous rocks are intrusive and extrusive.

Answer and Explanation: 1

Become a Study.com member to unlock this answer!

View this answer

Intrusive and extrusive igneous rocks are distinguished by where they are formed, and by extension how fast they cool.

Intrusive rocks form when...

See full answer below.


Learn more about this topic:

Loading...
Volcanic vs Plutonic Igneous Rocks: Definition and Differences

from

Chapter 7 / Lesson 2
91K

Learn the igneous definition and see what makes igneous rocks. Compare plutonic vs. volcanic rocks and see how they form with volcanic and plutonic rocks examples.


Related to this Question

Explore our homework questions and answers library