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 67 499 5 5 130.0 130.0 29.50 36.80 1.135 NO HORIZONTAL HAMILTON FRAME 67 499 7 2 99.0 99.0 48.50 50.99 1.465 NO HORIZONTAL HAMILTON FRAME 67 499 22 4 6.0 6.0 191.00 195.56 1.565 NO VERTICAL HAMILTON FRAME 67 499 23 2 130.0 130.0 200.50 203.30 1.573 NO VERTICAL HAMILTON FRAME 67 499 24 1 148.0 148.0 210.00 211.48 1.640 NO VERTICAL HAMILTON FRAME