Figure F18. Core photograph and photomicrograph from Sample 205-1253A-25R-1 (Piece 9, 57.5–63.5 cm; 513 mbsf). A. Chilled margin of cryptocrystalline basalt including voids filled with zeolites and clay (interval 205-1253A-25R-1, 58–63 cm). B. Photomicrograph in cross-polarized light (XPL) taken with a blue filter at 5x magnification showing cryptocrystalline groundmass (Sample 205-1253A-25R-1, 57.5–63.5cm). Cpx = clinopyroxene.