Which of the following lists of metamorphic rocks places the rocks in order from lowest metamorphic grade to highest?
A)Gneiss, slate, phyllite, schist
B)Anthracite, hornfels, quartzite, marble
C)Slate, phyllite, schist, gneiss
D)Ironstone, sandstone, slate, gneiss

Question

Quizplus · Accepted Answer

The correct order from lowest to highest metamorphic grade is slate, phyllite, schist, and gneiss. Choice A is incorrect because it places gneiss as the lowest metamorphic grade, which is incorrect. Choice B is incorrect because it mixes sedimentary and metamorphic rocks, and the order is not from lowest to highest metamorphic grade. Choice D is incorrect because it places sandstone and ironstone as metamorphic rocks, which is incorrect.

Which of the Following Lists of Metamorphic Rocks Places the Rocks