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 12 114 NO 59.9333 -26.8000 ATLANTIC NORTH RIDGE 07/11/1970 07/13/1970 NO YES OBJECTIVE REACHED OCEANIC NO NO NO NO NO NO NO NO 1927 623 563 60 9 46 76 5 3 0.3 618 621.0 2548 7 NO AGE GIVEN SAND GRAINS AND CLAY PEBBLES DETRITAL TERRIGENOUS HETEROGENIC SOFT MICA unk - 0000 BASALT