EN I For todays #ThinSectionThursday, we present garnet porphyroclasts in an ultramylonite from the Southern Italian Alps, Premosello shear zone, Ossola Valley (courtesy of our next P-T-t talker Dr. Stefania Corvo). This feature will be part of her talk next week, on Sept 14th, in which she’ll discuss the interplay between deformation and metamorphism withContinue reading “[TST] Garnet porphyroclasts in ultramylonite from the Southern Italian Alps”