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 54 428 5 4 36.0 36.0 57.50 62.36 6.140 NO HAMILTON FRAME 54 428 5 4 72.0 72.0 57.50 62.72 5.520 NO HAMILTON FRAME 54 428 5 4 81.0 81.0 57.50 62.81 5.670 NO HAMILTON FRAME 54 428 6 1 18.0 18.0 67.00 67.18 6.070 NO HAMILTON FRAME 54 428 6 1 74.0 74.0 67.00 67.74 6.200 NO HAMILTON FRAME 54 428 6 2 6.0 6.0 67.00 68.56 5.830 NO HAMILTON FRAME 54 428 6 2 75.0 75.0 67.00 69.25 5.790 NO HAMILTON FRAME