What do you call a coarse grained, foliated metamorphic rock having thick bands of dark ferromagnesian minerals alternating with pink feldspar and quartz layers?
A)hornfels
B)phyllite
C)gneiss
D)schist

Question

Quizplus · Accepted Answer

Gneiss is characterized by its banded appearance, with alternating layers of dark minerals and lighter-colored minerals, typically feldspar and quartz. It is also coarse-grained and foliated, similar to schist, but with thicker bands of darker minerals. Hornfels is a non-foliated metamorphic rock, while phyllite is finer-grained and lacks the distinctive banding of gneiss.

What Do You Call a Coarse Grained, Foliated Metamorphic Rock