Figure F61. Altered glass fragment replaced by brown smectite at the rim and zeolite in the center in Sample 192-1184A-16R-CC, 7-10 cm (field of view = 2.8 mm; photomicrograph ID#s 1184A_062 and 1184A_061). A. Plane-polarized light. B. Crossed polars.

Figure F61. Altered glass fragment replaced by brown smectite at the rim and zeolite in the center in Sample 192-1184A-16R-CC, 7-10 cm (field of view = 2.8 mm; photomicrograph ID#s 1184A_062 and 1184A_061). A. Plane-polarized light. B. Crossed polars.