ODP logging contractor: LDEO-BRG
Hole: 1247B
Leg: 204
Location: Hydrate Ridge - Cascadia Margin (NE Pacific)
Latitude: 44° 34.6589' N
Longitude: 125° 9.0766' W
Logging date: August 23-24, 2002
Bottom felt: 846 mbrf
Total penetration: 220 mbsf
Total core recovered: 212 m (97.7 %)

VSP TOOL USED: VSI (Versatile Seismic Imager)

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. 

VSP STACKS SUMMARY LISTING (one-way transit times)

DEPTH ACQUISITION_ ACQUISITION_     
(mbsf) SHOT_TIME   TRANSIT_TIME       
                       (s)               

214	24-08-2002:11:40:13	0.69502
209	24-08-2002:11:38:43	0.691142
204	24-08-2002:11:43:43	0.687522
199	24-08-2002:11:53:03	0.684847
194	24-08-2002:11:57:12	0.681643
189	24-08-2002:12:06:12	0.678405
184	24-08-2002:12:10:02	0.675477
179	24-08-2002:12:20:11	0.672417
174	24-08-2002:12:36:18	0.669526
169	24-08-2002:12:45:59	0.665951
164	24-08-2002:12:50:16	0.66279
159	24-08-2002:12:58:36	0.659828
149	24-08-2002:13:15:54	0.652817
144	24-08-2002:13:21:05	0.650247
139	24-08-2002:13:28:27	0.647197
134	24-08-2002:13:33:35	0.642687
129	24-08-2002:13:43:20	0.639491
109	24-08-2002:14:10:20	0.626373