Why are rocks rich in magnesium and iron called mafic?
A) Mafic is the opposite of felsic.
B) Ferric is the same as mafic, which means rich in magnesium and iron.
C) Mafic comes from magnesium and ferric.
D) Mafic is the Latin word that means rich is magnesium and iron.

Question

Quizplus · Accepted Answer

Mafic is a term derived from the words "magnesium" and "ferric," indicating that these rocks are rich in magnesium and iron.

Why Are Rocks Rich in Magnesium and Iron Called Mafic