The density of rocks is generally related to composition; rocks with higher silica contents tend to be less dense.Which of the following places rock compositions in order of increasing density?
A) felsic,intermediate,ultramafic,mafic
B) ultramafic,mafic,intermediate,felsic
C) felsic,intermediate,mafic,ultramafic
D) mafic,ultramafic,intermediate,felsic

Question

Quizplus · Accepted Answer

Felsic rocks have the highest silica content and are the least dense, followed by intermediate, mafic, and ultramafic rocks, which have the lowest silica content and are the most dense.

The Density of Rocks Is Generally Related to Composition; Rocks