ODP logging contractor: LDEO-BRG
Hole: 1244E
Leg: 204
Location: Hydrate Ridge - Cascadia Margin (NE Pacific)
Latitude: 44° 35.1709' N
Longitude: 125° 7.1719' W
Logging date: August 20-21, 2002
Bottom felt: 905 mbrf
Total penetration: 250 mbsf
Total core recovered: 137.7 m (101.4 %)

VSP TOOL USED: WST3 (3-Component Well Seismic Tool)

Acquisition Break Time: Time between start of recording and first break

Acquisition Transit Time: Time between shot firing (as recorded by blast phone) and first break. The shot is fired ~12 milliseconds after start of recording. The difference between Acquisition Break Time and Acquisition Transit Time is not constant and varies for each shot.

VSP STACKS SUMMARY LISTING (one-way transit times)

DEPTH ACQUISITION_ ACQUISITION_  ACQUISITION_     
(mbsf) SHOT_TIME   BREAK_TIME    TRANSIT_TIME       
                     (s)             (s)               

250	21-08-2002:00:07:04	0.818523	0.752802
245	21-08-2002:00:25:14	0.815837	0.750185
240	21-08-2002:00:29:26	0.813214	0.74745
235	21-08-2002:00:43:35	0.810338	0.744656
230	21-08-2002:00:48:42	0.807276	0.742981
225	21-08-2002:01:05:18	0.804801	0.739126
220	21-08-2002:01:09:22	0.800942	0.735214
215	21-08-2002:01:20:15	0.797141	0.731439
210	21-08-2002:01:23:31	0.794949	0.729278
205	21-08-2002:01:33:25	0.791562	0.72594
200	21-08-2002:01:36:43	0.788451	0.722703
195	21-08-2002:01:47:05	0.785005	0.719327
190	21-08-2002:01:50:13	0.781923	0.716225
185	21-08-2002:02:02:48	0.778506	0.712959
180	21-08-2002:02:06:00	0.775899	0.710226
175	21-08-2002:02:17:11	0.772822	0.707139
170	21-08-2002:02:22:56	0.770034	0.705859
165	21-08-2002:02:33:13	0.767462	0.701764
160	21-08-2002:02:37:33	0.764407	0.700254
155	21-08-2002:02:52:04	0.760828	0.695088
150	21-08-2002:02:55:16	0.757099	0.691431
145	21-08-2002:03:05:44	0.754074	0.688456
140	21-08-2002:03:09:55	0.751047	0.685334
135	21-08-2002:03:18:32	0.747833	0.682233
130	21-08-2002:03:23:48	0.744716	0.680588
125	21-08-2002:03:33:11	0.74174	0.676096
120	21-08-2002:03:36:53	0.738495	0.672864
115	21-08-2002:03:45:22	0.735418	0.669844
110	21-08-2002:03:48:12	0.732676	0.667041
105	21-08-2002:03:58:49	0.729344	0.663731
99	9999 21-08-2002:04:0	3:18 0.72	3333 0.657604
95	21-08-2002:04:14:15	0.723108	0.657491
89	9999 21-08-2002:04:1	9:45 0.71	1667 0.646031
84	9999 21-08-2002:04:3	2:35 0.71	6994 0.651417