Question

PLS HELP!!!

Igneous rocks that contain many dark silicate minerals, and that also are rich in magnesium and iron, have a composition that is _____.


A. ultramafic

B. andesitic

C. granitic

D. basaltic

Answer 1

I agree with the first answer

Answer 2

Salutations!

Igneous rocks that contain many dark silicate minerals, and that also are rich in magnesium and iron, have a composition that is _____.

Igneous rocks that contain many dark silicate minerals, and that also are rich in magnesium and iron, have a composition that is basaltic composition. They are also called as mafic.

Thus, your answer is option D.

Hope I helped (:

Have a great day!