Figure F65. A portion of a highly vesicular altered glass fragment almost completely replaced by greenish celadonite in Sample 192-1184A-21R-2, 92-94 cm. Minor brownish smectite and colorless zeolite also replace the glass and fill the vesicles (field of view = 2.8 mm; plane-polarized light; photomicrograph ID# 1184A

Figure F65. A portion of a highly vesicular altered glass fragment almost completely replaced by greenish celadonite in Sample 192-1184A-21R-2, 92-94 cm. Minor brownish smectite and colorless zeolite also replace the glass and fill the vesicles (field of view = 2.8 mm; plane-polarized light; photomicrograph ID# 1184A_148).