leg site hole core section top interval depth(cm) top of core depth(cm) top of section(m) sample midpoint depth(m) describer rock name piece numbers texture data structure data alteration data other information data vesicle data phenocryst data groundmass mineral data replacement mineral data comments unknown code 63 472 A 1 1 0.0 94.30 94.30 94.60 SHIBATA, T. APHYRIC BASALT PCES 1 (0-8), 2 (10-28) APHANITIC,APHYRIC MASSIVE MOD DIUM-DARK GRAY(N4) CALCITE <0.5 | CLAY <0.5 comments : BOTH CALCITE & CLAY FILL VESICLES