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 87 583 1 1 53.0 53.0 0.00 0.53 1.840 NO HORIZONTAL HAMILTON FRAME 87 583 2 2 63.0 63.0 5.50 7.63 1.658 NO HORIZONTAL HAMILTON FRAME 87 583 2 5 71.0 71.0 5.50 12.21 1.619 NO HORIZONTAL HAMILTON FRAME 87 583 3 1 115.0 115.0 15.00 16.15 1.895 NO HORIZONTAL HAMILTON FRAME 87 583 3 4 15.0 15.0 15.00 19.65 1.578 NO HAMILTON FRAME 87 583 4 2 98.0 98.0 23.00 25.90 1.870 NO HAMILTON FRAME 87 583 4 6 90.0 90.0 23.00 31.82 1.895 NO HAMILTON FRAME 87 583 7 2 14.0 14.0 45.90 47.54 1.893 NO HAMILTON FRAME 87 583 7 4 25.0 25.0 45.90 50.65 1.906 NO HAMILTON FRAME 87 583 11 1 66.0 66.0 73.50 74.16 1.879 NO HAMILTON FRAME 87 583 17 1 60.0 60.0 107.00 107.92 1.861 NO HAMILTON FRAME 87 583 19 1 95.0 95.0 117.00 117.95 1.924 NO HAMILTON FRAME 87 583 20 1 72.0 72.0 122.00 122.72 1.610 NO HAMILTON FRAME