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 70 507 B 1 1 10.0 10.0 31.00 31.10 4.943 NO HORIZONTAL HAMILTON FRAME 70 507 B 1 1 18.0 18.0 31.00 31.18 5.482 NO HORIZONTAL HAMILTON FRAME 70 507 B 1 1 18.0 18.0 31.00 31.18 5.235 NO VERTICAL HAMILTON FRAME 70 507 B 1 1 43.0 43.0 31.00 31.43 5.415 NO HORIZONTAL HAMILTON FRAME 70 507 B 1 1 43.0 43.0 31.00 31.43 5.094 NO VERTICAL HAMILTON FRAME 70 507 B 1 1 53.0 53.0 31.00 31.53 5.106 NO HORIZONTAL HAMILTON FRAME 70 507 B 1 1 53.0 53.0 31.00 31.53 5.024 NO HORIZONTAL HAMILTON FRAME