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 15 154 5 6 51.0 51.0 182.00 190.24 1.741 NO HAMILTON FRAME 15 154 5 6 71.0 71.0 182.00 190.44 1.827 NO HAMILTON FRAME 15 154 14 1 78.0 78.0 268.00 268.78 1.772 NO VERTICAL HAMILTON FRAME 15 154 14 1 78.0 78.0 268.00 268.78 1.908 NO HORIZONTAL HAMILTON FRAME