Figure F117. Photomicrographs of mineral fragments from Hole 1188F showing no bacterial habitation. A. Sample 193-1188F-16Z, 88-90 cm, (255.78 mbsf) showing plagioclase, pyrite, and volcanic glass fragments with no stained bacteria. B. Sample 193-1188F-1Z-4, 63-63 cm (222.23 mbsf), showing assemblages of clay minerals and plagioclase fragments with no definitive bacterial mass.