“…Garnet porphyroblasts in metamorphic rocks provide valuable information on the processes of crystal nucleation and growth for two reasons (Miyashita, 1996): (1) they usually contain internal textural zones and inclusion trails that aid in correlating the timing of garnet growth under specific conditions with deformation and metamorphism (e.g., Hollister, 1966;Andersen, 1984;Rice and Mitchell, 1991;Williams, 1994;Bell et al, 1997;Stallard and Hickey, 2002;Meth and Carlson, 2005;Kim and Jung, 2010;Kiers, 2013), and (2) they have distinct chemical zoning retaining a record of their growth history (e.g., Olimpio and Anderson, 1978;Takasu, 1986;Stallard and Hickey, 2002;Meth and Carlson, 2005;Stowell et al, 2011) and showing some of the greatest variability in terms of solid solution, providing data to constrain the P-T-t evolution of metamorphism in orogenic belts (e.g., Florence and Spear, 1993;Ratner and Cheney, 2002).…”