Figure F21. A. Metamorphic expansion microfractures in plagioclase adjacent to serpentinized olivine (Sample 305-U1309D-82R-2, 110–112 cm) (field of view [FOV] = 5.5 mm). B. Serpentinization-induced microfracturing (Sample 305-U1309D-232R-1, 102–105 cm) (FOV = 5.5 mm).