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 3 15 10 1 14.0 141.00 141.14 142.35 HSU, K. J. BASALT PCE NO PCE NUMBERS ASSIGNED VERY FINE-GRAINED (APHANITIC), WITH GLASSY BASALT, GLASS HAS RED OBSIDIAN (CONTAMINATED BY HEMATITE) CALCITE VEIN (APPEARS TO BE MARBLE BUT RECOGNIZABLE AS VEIN FILLING BECAUSE OF ITS NEARLY VERTICAL ORIENTATION) BAGS CONTAIN SMALL CHIPS, ROCKS ARE ORIENTED PCES, WITH CHIPS OF WHITE CHALK, FRIABLE comments : SOME VESICLES AND AMYGDULES CALCITE comments : CALCITE VEIN, APPEARS TO BE MARBLE | HEMATITE comments : CONTAMINATING OBSIDIAN 3 15 10 CC 0.0 141.00 142.60 142.60 HSU, K. J. BASALT PCE NO PCE NUMBERS ASSIGNED APHANITIC NO EVIDENCE OF CONTACT METAMORPHIC LAYER ABOVE BASALT AS IN HOLE 14 (EXCEPT FURTHER PRESENCE OF CHALK CHIPS) 3 15 11 1 55.0 141.30 141.85 142.11 HSU, K. J. BASALT PCE NO PCE NUMBERS ASSIGNED APHANITIC comments: WEATHERED IN PLACE DARK GRAY BASALT, 5 PCES OF BASALT AND SOME CHIPS WERE RECOVERED FROM CORE CATCHER AFTER SOME 5 HOURS OF CORING