Mafic rocks have silica contents of __________and are mainly composed of_________ .
A) around 50%, pyroxene and plagioclase feldspar
B) up to 70% quartz and feldspar
C) under 40%, olivine and pyroxene
D) more than 85%, potassium rich feldspars and micas

Question

Quizplus · Accepted Answer

Mafic rocks typically have silica contents around 50% and are primarily composed of minerals such as pyroxene and plagioclase feldspar.

Mafic Rocks Have Silica Contents of __________And Are Mainly Composed