A rock that is dark-colored and heavy is most likely composed of:
A)felsic minerals
B)mafic minerals
C)organic compounds
D)none of these
E)all of these

Question

Quizplus · Accepted Answer

Dark-colored and heavy rocks are usually composed of mafic minerals, which are dense and contain iron and magnesium. Felsic minerals are light-colored and less dense, while organic compounds are found in living organisms and not typically found in rocks.

A Rock That Is Dark-Colored and Heavy Is Most Likely