Figure F40. Thin section photomicrographs of vitric clasts altered to palagonite (pal) and cemented by calcite (cc), Hole U1348A. The inner parts of the vitric clasts are filled with zeolite (zeo) or calcite (Thin Section 169; Sample 324-U1348A-18R-3, 11–15 cm). (A) is under plane-polarized light and (B) is under cross-polarized light.
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