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 71 511 YES -51.0047 -46.9717 ATLANTIC SOUTH PLATEAU 01/15/1980 01/21/1980 NO YES CHIEF SCIENTIST DECISION OCEANIC NO NO YES NO NO NO NO NO 2589 632 632 70 385 60 632.0 3221 70 NO AGE GIVEN ORGANIC RICH BLACK MUDSTONE AND BLACK SHALES unk - 0000 unk - 0000