Which of the following statements about felsic igneous rocks is true?
A)Felsic rocks contain less silica than mafic rocks.
B)Felsic rocks crystallize at lower temperatures than mafic rocks.
C)Felsic rocks tend to be darker colored than mafic rocks.
D)Felsic rocks tend to be finer grained than mafic rocks.

Question

Quizplus · Accepted Answer

Felsic rocks, which are rich in silica, crystallize at lower temperatures compared to mafic rocks, which are richer in magnesium and iron. This is because the minerals that make up felsic rocks, such as quartz and feldspar, have lower melting points.

Which of the Following Statements About Felsic Igneous Rocks Is