Mafic Vs. Felsic Rocks: Know the Difference ScienceStruck
Feb 23, 2018 · The word Mafic comes from (ma) for magnesium and (f) for ferrum or the Latin for iron. Mafic rocks are dark in color. Common mafic rocks include basalt, dolerite, and gabbro. It is of, relating to, or denoting a group of lightcolored minerals, including feldspar, feldspathoids, quartz, and muscovite.