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 10 90 NO 23.7967 -94.7682 ATLANTIC NORTH GULF OF MEXICO PLAIN 03/09/1970 03/11/1970 NO YES CHIEF SCIENTIST DECISION OCEANIC NO NO NO NO NO NO NO NO 3713 768 682 86 13 57 66 768.0 4481 13 NO AGE GIVEN QUARTZ RICH CLAY MINERAL RICH SAND DETRITAL TERRIGENOUS HETEROGENIC SOFT MICA CLAY MINERAL