leg site hole core section top interval depth (cm) bottom interval depth (cm) top of core depth (m) sample depth (m) sonic velocity (km/sec)temperature(degrees C) split core orientation instrument code 67 499 B 2 1 90.0 90.0 210.50 211.40 1.584 NO HORIZONTAL HAMILTON FRAME 67 499 B 3 1 54.0 54.0 220.00 220.54 1.766 NO HORIZONTAL HAMILTON FRAME 67 499 B 3 3 90.0 90.0 220.00 223.90 1.597 NO HORIZONTAL HAMILTON FRAME 67 499 B 4 1 120.0 120.0 229.50 230.70 1.677 NO HORIZONTAL HAMILTON FRAME 67 499 B 4 3 20.0 20.0 229.50 232.70 1.712 NO HORIZONTAL HAMILTON FRAME 67 499 B 6 1 20.0 20.0 248.50 248.70 1.628 NO HORIZONTAL HAMILTON FRAME 67 499 B 8 3 60.0 60.0 267.50 271.10 1.865 NO HORIZONTAL HAMILTON FRAME 67 499 B 9 CC 10.0 10.0 277.00 277.32 5.968 NO HAMILTON FRAME