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 4 24 A 4 1 120.0 550.00 551.20 551.50 BASALT FRAGMENTS IN MUD PCE NO PCE NUMBERS ASSIGNED DIABASIC OR PORPHYRITIC, MUCH OF TEXTURE DESTROYED comments: HYDROTHERMALLY ALTERED OL comments : ALKALI OL 4 24 A 4 2 0.0 550.00 551.50 553.00 BASALT FRAGMENTS IN MUD PCE NO PCE NUMBERS ASSIGNED DIABASIC OR PORPHYRITIC, MUCH OF TEXTURE DESTROYED comments: HYDROTHERMALLY ALTERED OL comments : ALKALI OL