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 81 552 NO 56.0427 -23.2313 ATLANTIC NORTH PLATEAU 07/31/1981 08/03/1981 NO YES WEATHER OCEANIC NO NO NO NO NO NO NO NO 2301 314 77 237 25 79 33 26 4 3.6 284.0 2585 21 NO AGE GIVEN FERRUGINOUS DIATOMACEOUS CLAYSTONE unk - 0000 unk - 0000 BASALT FLOW