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 43 385 NO 37.3695 -60.1575 ATLANTIC NORTH SEAMOUNT 07/18/1975 07/20/1975 NO NO OPERATIONAL LIMIT REACHED OCEANIC NO NO NO NO NO NO NO NO 4936 393 165 228 24 63 27 54 5 8.1 338 278.9 5215 15 NO AGE GIVEN SILTY SAND DETRITAL TERRIGENOUS HETEROGENIC SOFT MICA unk - 0000 VOLCANICLASTIC BRECCIA