leg site hole well logging latitude longitude ocean ocean hemisphere sea physographic feature hard rock feature ta td re-entry site survey site termination crust equipment test heat flow in situ pore water hydraulic piston core variable length hpc pressure core barrel punch core extended core barrel water depth(m) total penetration(m) drilled penetration(m) cored penetration(m) number of cores recovered meters recovered percent recovery meters of hard rock cored number of hard rock cores meters of hard rock recovered depth to basememnt(m) oldest sediment sub-bottom depth oldest sediment depth below sealevel oldest sediment core number oldest sediment age oldest sediment lithology oldest sediment lithology composition oldest sediment source oldest sediment heterogeneity oldest sediment hardness oldest comp1 oldest comp2 hard rock descriptions and comments 58 446 A NO 24.7007 132.7748 PACIFIC NORTH PHILIPPINE BASIN SILL 01/22/1978 01/26/1978 NO NO DRILL BIT WORN OUT OCEANIC NO NO NO NO NO NO NO NO 4952 628.5 372 256 28 117 45 247 27 114 621 628.5 5581 28 NO AGE GIVEN CLAYSTONE unk - 0000 unk - 0000 BASALT SILLS WITH SEDIMENT LAYERS