Which of the following lists the rocks in the order of increasing grain size and increasing grade of metamorphism?
A)phyllite,slate,schist
B)schist,slate,phyllite
C)slate,phyllite,schist
D)slate,schist,phyllite

Question

Quizplus · Accepted Answer

The correct order of increasing grain size and increasing grade of metamorphism is slate, phyllite, schist. As the grade of metamorphism increases, the grain size increases as well. Therefore, the answer choices that have slate listed first and schist listed last are the only ones that follow this pattern. Out of those choices, C is the correct one as it lists the rocks in the correct order.

Which of the Following Lists the Rocks in the Order