Shale is metamorphosed into three rock types: (1) a banded
Chapter , Problem 63MCQ(choose chapter or problem)
Problem 63MCQ
Shale is metamorphosed into three rock types: (1) a banded gneissic rock; (2) a rock with small mica crystals with a shiny aspect; (3) a very shiny rock with large mica crystals; and (4) a dull slate with cleavage. Which of the following lists these rocks in order of increasing metamorphic grade?
A. 1, 2, 3, 4
B. 4, 3, 2, 1
C. 2, 3, 4, 1
D. 4, 2, 3, 1
E. 3, 2, 4, 1
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