What basic rock types make up the continental and oceanic crust?

1 Answer
May 7, 2018

Answer:

Oceanic crust is largely made up of basalt, diabase, gabbro and other volcanic rocks. Continental is largely granitic.

Explanation:

Oceanic crust is largely made up of basalt, diabase, gabbro and other volcanic rocks.

Continental crust is composed largely of granitic rocks that are of low-density. You can read about continental crust and what it is composed of in this Socratic question: The continental crust is made largely of what rock?

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