Figure F11. A–D. Photomicrographs in cross-polarized light (field of view = 22 mm); (A) plagioclase-bearing websterite (Sample 305-U1309D-100R-1, 10–13 cm), (B) dunitic troctolite (Sample 305-U1309D-227R-3, 70–72 cm), (C) dunitic troctolite (Sample 305-U1309D-248R-2, 7–9 cm), (D) dunite (Sample 305-U1309D-248R-2, 96–99 cm). E, F. Close-up of fresh olivine and plagioclase in a dunitic troctolite (Sample 305-U1309D-248R-2, 7–9 cm) (cross-polarized light; field of view = 11 mm).