Which is a coarse-grained, high-grade, metamorphic rock with alternating bands or stringers of light and dark minerals?
A)gneiss
B)hornfels
C)marble
D)phyllite

Question

Quizplus · Accepted Answer

Gneiss is a coarse-grained, high-grade metamorphic rock that exhibits alternating bands or stringers of light and dark minerals. Hornfels is a fine-grained rock, typically with no visible banding or layering. Marble is a metamorphic rock composed of recrystallized carbonate minerals, and phyllite is a fine-grained rock with a sheen caused by the alignment of platy minerals.

Which Is a Coarse-Grained, High-Grade, Metamorphic Rock with Alternating Bands