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 4 25 A 1 1 37.0 37.0 39.00 39.37 1.550 NO EARMUFF DEVICE 4 25 A 1 1 75.0 75.0 39.00 39.75 1.546 NO EARMUFF DEVICE 4 25 A 1 2 37.0 37.0 39.00 40.87 1.546 NO EARMUFF DEVICE 4 25 A 1 2 75.0 75.0 39.00 41.25 1.535 NO EARMUFF DEVICE 4 25 A 1 2 112.0 112.0 39.00 41.62 1.548 NO EARMUFF DEVICE