Describe the processes involved in the formation of each of the two metamorphic rocks, X and Y, formed under the...

Describe the processes involved in the formation of each of the two metamorphic rocks, X and Y, formed under the conditions represented by points labelled as X and Y on Figure 1. As part of your answer you should explicitly state the pressure, temperature and depth corresponding to each rock type (i.e. X and Y) shown on Figure 1 and use these values to develop your arguments Figure 1 - http://postimg.org/image/gi1a3b0st/