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 18 175 NO 44.8367 -125.2417 PACIFIC NORTH SLOPE 06/19/1971 06/21/1971 NO YES MECHANICAL OR EQUIPMENT FAILURE CONTINENTAL NO NO NO NO NO NO NO NO 1999 271 38 233 25 122 52 271.0 2270 25 NO AGE GIVEN SILTY CLAY AND VERY FINE SAND AND COARSE SILT DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 3100 unk - 0000