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 31 298 2 3 40.0 40.0 126.50 129.90 1.521 NO HAMILTON FRAME 31 298 2 3 40.0 40.0 126.50 129.90 1.525 NO HAMILTON FRAME 31 298 9 1 44.0 44.0 335.50 335.94 1.690 NO HAMILTON FRAME 31 298 9 1 44.0 44.0 335.50 335.94 1.727 NO HAMILTON FRAME 31 298 9 1 44.0 44.0 335.50 335.94 1.729 NO HAMILTON FRAME