Figure F101. Fragments of flow-banded altered volcanic rock cemented by coarse anhydrite and crosscut by quartz-pyrite veins (Unit 6; Sample 193-1189A-3R-1 [Piece 10, 59-63 cm] in cross-polarized light; width of view = 5.5 mm. Photomicrograph ID# 1189A_22; thin section 31).