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 46 396 A 1 1 130.0 130.0 0.00 1.30 1.564 YES HAMILTON FRAME 46 396 A 1 1 141.0 141.0 0.00 1.41 1.538 YES HAMILTON FRAME