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 5 41 C1 0.0 34.00 34.00 34.00 BASALT PCE NO PCE NUMBERS ASSIGNED MANGANESE-COATED GLASSY BASALT LARGEST FRAGMENT ABOUT 3.5CM IN DIAMETER, EIGHT SMALL ROUND PEBBLES