TIBURON
2004-06-28 00:02:57
last vibracore would not go into elevator
2004-06-28 00:12:28
T693 Elevator released
2004-06-28 00:42:17
elevator released
2004-06-28 00:45:00
continue vibracore transect
2004-06-28 00:47:26
wp
2004-06-28 00:50:27
sonar grab t693-4
2004-06-28 00:51:56
2004-06-28 00:52:26
2004-06-28 00:52:56
2004-06-28 00:54:18
wp checked bottom for soft sediment - no coring
2004-06-28 00:55:37
2004-06-28 00:57:19
rounded gravel bar against a large "poss tabular clay ball"
2004-06-28 00:58:38
moving on at 030
2004-06-28 00:59:10
sonar randomly specular
2004-06-28 01:00:18
hard bottom
2004-06-28 01:01:05
still rough surface
2004-06-28 01:01:39
2004-06-28 01:02:39
push test - hard bottom
2004-06-28 01:02:59
Sonar Grab t693-5
2004-06-28 01:05:24
push test -hard bottom no sediment cover at all
2004-06-28 01:06:10
hard sonar ledge ~ 25 m
2004-06-28 01:07:21
push test - hard bottom ~ 5 cm sed cover
2004-06-28 01:08:27
2004-06-28 01:09:09
vertical ledge, poss cutting sed layers
2004-06-28 01:09:53
push test at base of ledge hard bottom ~4 cm sed cover
2004-06-28 01:11:22
T693 wp
2004-06-28 01:12:34
2004-06-28 01:13:24
T693 wp--testing with arm- felt rock substrate
2004-06-28 01:14:57
2004-06-28 01:15:57
T693 wp Lateral along wall face
2004-06-28 01:16:54
T693 wp Changing course to go up wall
2004-06-28 01:17:58
2004-06-28 01:20:29
T693 waypoint
2004-06-28 01:23:34
T693 WP crumbly mudstone wall
2004-06-28 01:32:04
2004-06-28 01:35:07
T693 End of dive, ascending 6:40pm