Why are igneous rocks important?
A) They provide information about the mantle.
B) They can be used to reconstruct tectonic activity.
C) They host important mineral deposits.
D) All of the above are correct.

Question

Quizplus · Accepted Answer

Igneous rocks are important for various reasons. They provide information about the mantle through their chemical composition and can provide insights into the tectonic activity that led to their formation. Additionally, many important mineral deposits such as copper, gold, and silver are found in igneous rocks. Therefore, all three choices in the question are correct.

Why Are Igneous Rocks Important