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 55 433 B NO 44.7772 170.0205 PACIFIC NORTH SEAMOUNT FLOW 08/18/1977 08/18/1977 NO YES DRILL BIT WORN OUT OCEANIC NO NO NO NO NO NO NO NO 1874 186 129 58 7 11 18 23 4 2.5 163 157.0 2031 3 NO AGE GIVEN REEFAL SAND AND REEF LIMESTONE unk - 0000 unk - 0000 PLAGIOCLASE OLIVINE PHYRIC BASALT