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 63 472 2 5 44.0 44.0 5.50 11.94 1.485 YES HORIZONTAL HAMILTON FRAME 63 472 4 2 26.0 26.0 24.50 26.26 1.468 YES HORIZONTAL HAMILTON FRAME 63 472 6 5 22.0 22.0 43.50 49.72 1.521 YES HORIZONTAL HAMILTON FRAME 63 472 14 2 56.0 56.0 112.00 114.06 5.546 NO HORIZONTAL HAMILTON FRAME 63 472 15 1 27.0 27.0 119.50 119.77 5.331 NO HORIZONTAL HAMILTON FRAME