The Concept of Metamorphic Facies ____

Multiple Choice

The concept of metamorphic facies ____.

A) cannot be used in areas where the original rocks were clay-rich
B) cannot be used in areas where the original rocks were pure quartz sandstone
C) was developed in Italy in the 1600s
D) is not as useful as the concept of metamorphic zones
E) relies on finding a single index mineral in a particular zone