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 62 465 6 2 75.0 75.0 39.00 41.25 1.556 NO HORIZONTAL HAMILTON FRAME 62 465 6 4 79.0 79.0 39.00 44.29 1.558 NO HORIZONTAL HAMILTON FRAME 62 465 10 2 62.0 62.0 77.00 79.12 1.551 NO HORIZONTAL HAMILTON FRAME