________ is composed of alternating bands of light and dark silicate minerals.
A)Marble
B)Mica schist
C)Phyllite
D)Gneiss

Question

Quizplus · Accepted Answer

Gneiss is a metamorphic rock that is composed of alternating bands of light and dark silicate minerals. The light bands are primarily composed of felsic minerals such as quartz, feldspar, and mica, while the dark bands are primarily composed of mafic minerals such as biotite and hornblende. This banding gives gneiss a distinctive striped appearance.

________ Is Composed of Alternating Bands of Light and Dark