1910 M. M. O. Gordon i. 19 The rock material immediately below the inturned ends is Porphyrite finely mylonitized into a tuff.
1956 E. W. Heinrich vii. 187 Such rocks as gabbros and peridotites may also be mylonitized.
1992 20 745/1 The dikes were mylonitized..during emplacement.