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 19 191 A 1 3 120.0 120.0 14.00 18.20 1.471 NO VERTICAL HAMILTON FRAME 19 191 A 1 6 106.0 106.0 14.00 22.56 1.465 NO VERTICAL HAMILTON FRAME