IODP operator and logging contractor: LDEO-BRG Hole: U1309D-ph2 Expedition: 305 Location: Atlantis Massif - Mid Atlantic Ridge (central N Atlantic) Latitude: 30° 10.120' N Longitude: 42° 7.113' W Logging date: January 31 - February 2, 2005 VSP SHOT SUMMARY LISTING (one-way transit times) Gun and Hydrophone Coordinates: Gun Azimuth: 0.0 deg Gun Offset: 55.0 m Gun Depth (from Schlumberger Zero): 13.3 m Hydrophone Depth (from Schlumberger Zero): 13.3 m Seismic Reference Depth (from Schlumberger Zero): 11.3 m Other VSP constants: Surface Velocity: 1524 m/s 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. SHOTSEQUENCE ACQUISITION_ ACQUISITION_ CABLE_LENGTH ACQUISITION_ ACQUISITION_ _NUMBER SHOT_NUMBER SHOT_TIME (m) BREAK_TIME TRANSIT_ ----- ----- ----- ----- (s) TIME ----- ----- ----- ----- ----- (s) ----- ----- ----- ----- ----- ----- 208 22 01-02-2005:03:40:23 2496.000000 0.407638 0.396668 209 23 01-02-2005:03:40:55 2496.000000 0.733107 0.721986 210 24 01-02-2005:03:41:15 2496.000000 0.000000 0.000000 211 25 01-02-2005:03:41:35 2496.000000 0.000000 0.000000 212 26 01-02-2005:03:41:55 2496.000000 0.000000 0.000000 213 27 01-02-2005:03:42:15 2496.000000 3.713123 3.701033 214 28 01-02-2005:03:42:46 2496.000000 0.000000 0.000000 215 29 01-02-2005:03:43:16 2496.000000 1.382215 1.370189 216 30 01-02-2005:03:43:36 2496.000000 0.554410 0.542313 217 31 01-02-2005:03:43:58 2496.000000 4.299833 4.287718 218 32 01-02-2005:03:44:18 2496.000000 0.941428 0.929261 219 33 01-02-2005:03:44:41 2496.000000 1.645962 1.633950 220 34 01-02-2005:03:45:15 2496.000000 2.318046 2.306897 221 35 01-02-2005:03:45:41 2496.000000 0.000000 0.000000 222 36 01-02-2005:03:46:06 2496.000000 0.000000 0.000000 223 37 01-02-2005:03:47:03 2496.000000 0.000000 0.000000 224 38 01-02-2005:03:47:33 2496.000000 1.002399 0.990350 225 39 01-02-2005:03:49:34 2496.000000 0.000000 0.000000 226 40 01-02-2005:03:49:58 2496.000000 0.410703 0.399624 227 41 01-02-2005:03:50:18 2496.000000 0.000000 0.000000 228 42 01-02-2005:03:50:37 2496.000000 0.437158 0.425166 229 43 01-02-2005:03:51:03 2496.000000 0.759463 0.747407 230 44 01-02-2005:03:51:52 2496.000000 1.569319 1.558193 231 45 01-02-2005:03:52:19 2496.000000 1.680685 1.669568 232 46 01-02-2005:03:52:40 2496.000000 0.000000 0.000000 233 47 01-02-2005:03:53:28 2496.000000 0.000000 0.000000 234 48 01-02-2005:03:53:48 2496.000000 1.599743 1.587721 235 49 01-02-2005:03:54:11 2496.000000 0.000000 0.000000 236 50 01-02-2005:03:54:31 2496.000000 0.652343 0.640261 237 51 01-02-2005:03:54:52 2496.000000 0.586904 0.574826 238 52 01-02-2005:03:55:11 2496.000000 1.303126 1.290971 239 53 01-02-2005:03:55:42 2496.000000 0.000000 0.000000 240 54 01-02-2005:03:56:01 2496.000000 1.412222 1.400257 241 55 01-02-2005:03:56:22 2496.000000 1.200600 1.188531 242 56 01-02-2005:03:56:41 2496.000000 1.984920 1.972779 243 57 01-02-2005:03:57:01 2496.000000 0.711162 0.699086 244 58 01-02-2005:03:57:23 2496.000000 3.512216 3.500252 245 59 01-02-2005:03:57:43 2496.000000 0.000000 0.000000 246 60 01-02-2005:03:58:47 2496.000000 2.462091 2.450966 247 61 01-02-2005:03:59:31 2496.000000 1.157996 1.146842 248 62 01-02-2005:04:00:17 2496.000000 0.000000 0.000000 249 63 01-02-2005:04:01:27 2496.000000 0.543129 0.531996 250 64 01-02-2005:04:02:05 2496.000000 0.000000 0.000000 251 65 01-02-2005:04:03:16 2496.000000 0.885454 0.874374 252 66 01-02-2005:04:03:59 2496.000000 1.421600 1.410578 190 67 01-02-2005:04:11:48 2441.000000 0.000000 0.000000 191 68 01-02-2005:04:12:23 2441.000000 0.000000 0.000000 192 69 01-02-2005:04:13:02 2441.000000 0.000000 0.000000 193 70 01-02-2005:04:13:57 2441.000000 0.000000 0.000000 194 71 01-02-2005:04:14:56 2441.000000 0.000000 0.000000 195 72 01-02-2005:04:15:22 2441.000000 0.000000 0.000000 196 73 01-02-2005:04:16:12 2441.000000 0.596487 0.584575 197 74 01-02-2005:04:17:39 2441.000000 1.245295 1.234278 198 75 01-02-2005:04:17:58 2441.000000 0.000000 0.000000 199 76 01-02-2005:04:18:30 2441.000000 0.000000 0.000000 200 77 01-02-2005:04:18:50 2441.000000 0.000000 0.000000 201 78 01-02-2005:04:19:27 2441.000000 0.426450 0.414506 202 79 01-02-2005:04:19:58 2441.000000 0.000000 0.000000 203 80 01-02-2005:04:20:39 2441.000000 0.000000 0.000000 204 81 01-02-2005:04:21:28 2441.000000 0.000000 0.000000 205 82 01-02-2005:04:22:06 2441.000000 0.000000 0.000000 206 83 01-02-2005:04:22:50 2441.000000 0.000000 0.000000 207 84 01-02-2005:04:23:37 2441.000000 0.000000 0.000000 178 85 01-02-2005:04:32:00 2380.999756 1.024454 1.015381 179 86 01-02-2005:04:32:21 2380.999756 0.729627 0.718628 180 87 01-02-2005:04:32:56 2380.999756 0.000000 0.000000 181 88 01-02-2005:04:33:32 2380.999756 0.739070 0.727915 182 89 01-02-2005:04:33:55 2380.999756 0.000000 0.000000 183 90 01-02-2005:04:34:37 2380.999756 1.388163 1.377100 184 91 01-02-2005:04:34:56 2380.999756 0.000000 0.000000 185 92 01-02-2005:04:35:21 2380.999756 0.000000 0.000000 186 93 01-02-2005:04:35:50 2380.999756 0.952424 0.941333 187 94 01-02-2005:04:36:17 2380.999756 0.000000 0.000000 188 95 01-02-2005:04:36:42 2380.999756 0.000000 0.000000 189 96 01-02-2005:04:37:35 2380.999756 0.000000 0.000000 167 97 01-02-2005:04:46:48 2329.999756 0.000000 0.000000 168 98 01-02-2005:04:47:09 2329.999756 1.225531 1.214441 169 99 01-02-2005:04:47:29 2329.999756 0.000000 0.000000 170 100 01-02-2005:04:47:49 2329.999756 1.226493 1.214523 171 101 01-02-2005:04:48:08 2329.999756 0.000000 0.000000 172 102 01-02-2005:04:48:29 2329.999756 0.000000 0.000000 173 103 01-02-2005:04:48:48 2329.999756 0.718301 0.706272 174 104 01-02-2005:04:49:16 2329.999756 1.226854 1.214778 175 105 01-02-2005:04:49:36 2329.999756 0.000000 0.000000 176 106 01-02-2005:04:49:56 2329.999756 0.000000 0.000000 177 107 01-02-2005:04:50:28 2329.999756 0.000000 0.000000 153 108 01-02-2005:04:56:02 2279.999756 0.000000 0.000000 154 109 01-02-2005:04:56:27 2279.999756 0.000000 0.000000 155 110 01-02-2005:04:56:55 2279.999756 0.517086 0.505989 156 111 01-02-2005:04:57:16 2279.999756 0.000000 0.000000 157 112 01-02-2005:04:57:44 2279.999756 0.000000 0.000000 158 113 01-02-2005:04:58:03 2279.999756 0.000000 0.000000 159 114 01-02-2005:04:58:27 2279.999756 0.000000 0.000000 160 115 01-02-2005:04:58:52 2279.999756 0.000000 0.000000 161 116 01-02-2005:04:59:12 2279.999756 1.117293 1.105232 162 117 01-02-2005:04:59:33 2279.999756 1.217349 1.205435 163 118 01-02-2005:04:59:56 2279.999756 0.000000 0.000000 164 119 01-02-2005:05:00:24 2279.999756 0.000000 0.000000 165 120 01-02-2005:05:00:57 2279.999756 0.000000 0.000000 166 121 01-02-2005:05:01:34 2279.999756 0.000000 0.000000 143 122 01-02-2005:05:07:27 2225.000000 1.207208 1.197173 144 123 01-02-2005:05:08:00 2225.000000 1.208948 1.197885 145 124 01-02-2005:05:08:31 2225.000000 0.000000 0.000000 146 125 01-02-2005:05:09:14 2225.000000 1.209167 1.198059 147 126 01-02-2005:05:10:04 2225.000000 1.209623 1.198502 148 127 01-02-2005:05:10:31 2225.000000 1.208623 1.196638 149 128 01-02-2005:05:11:46 2225.000000 0.000000 0.000000 150 129 01-02-2005:05:12:16 2225.000000 1.208961 1.197043 151 130 01-02-2005:05:12:36 2225.000000 1.209144 1.197152 152 131 01-02-2005:05:13:04 2225.000000 1.208861 1.197764 133 132 01-02-2005:05:18:28 2171.000000 0.000000 0.000000 134 133 01-02-2005:05:19:11 2171.000000 0.694496 0.683438 135 134 01-02-2005:05:19:32 2171.000000 1.199855 1.187930 136 135 01-02-2005:05:20:01 2171.000000 0.000000 0.000000 137 136 01-02-2005:05:20:24 2171.000000 1.201108 1.189130 138 137 01-02-2005:05:20:55 2171.000000 0.661186 0.649277 139 138 01-02-2005:05:21:44 2171.000000 0.000000 0.000000 140 139 01-02-2005:05:22:07 2171.000000 1.200683 1.188667 141 140 01-02-2005:05:22:51 2171.000000 0.000000 0.000000 142 141 01-02-2005:05:23:19 2171.000000 0.000000 0.000000 121 142 01-02-2005:05:28:11 2126.000000 1.191686 1.180778 122 143 01-02-2005:05:28:34 2126.000000 1.191858 1.180905 123 144 01-02-2005:05:28:54 2126.000000 0.000000 0.000000 124 145 01-02-2005:05:29:25 2126.000000 0.845807 0.834750 125 146 01-02-2005:05:30:00 2126.000000 1.192981 1.181920 126 147 01-02-2005:05:30:20 2126.000000 1.193093 1.181998 127 148 01-02-2005:05:30:41 2126.000000 0.000000 0.000000 128 149 01-02-2005:05:31:09 2126.000000 1.194244 1.183105 129 150 01-02-2005:05:31:29 2126.000000 1.194482 1.182480 130 151 01-02-2005:05:32:01 2126.000000 0.000000 0.000000 131 152 01-02-2005:05:32:22 2126.000000 0.000000 0.000000 132 153 01-02-2005:05:32:45 2126.000000 0.859467 0.847564 109 154 01-02-2005:05:38:36 2081.000000 0.000000 0.000000 110 155 01-02-2005:05:39:02 2081.000000 1.185043 1.174040 111 156 01-02-2005:05:39:30 2081.000000 1.185761 1.174711 112 157 01-02-2005:05:39:50 2081.000000 1.186118 1.174168 113 158 01-02-2005:05:40:10 2081.000000 0.000000 0.000000 114 159 01-02-2005:05:40:30 2081.000000 1.185803 1.173731 115 160 01-02-2005:05:40:53 2081.000000 1.185669 1.173741 116 161 01-02-2005:05:41:31 2081.000000 1.185587 1.174501 117 162 01-02-2005:05:41:51 2081.000000 0.616860 0.604848 118 163 01-02-2005:05:42:15 2081.000000 1.133382 1.121409 119 164 01-02-2005:05:42:53 2081.000000 1.185811 1.173852 120 165 01-02-2005:05:44:19 2081.000000 1.185319 1.174300 80 166 01-02-2005:05:50:20 2026.000000 0.000000 0.000000 81 167 01-02-2005:05:50:45 2026.000000 1.296606 1.285539 82 168 01-02-2005:05:51:16 2026.000000 0.000000 0.000000 83 169 01-02-2005:05:51:39 2026.000000 1.176780 1.164823 84 170 01-02-2005:05:52:05 2026.000000 0.767905 0.755954 85 171 01-02-2005:05:52:25 2026.000000 0.689844 0.677787 86 172 01-02-2005:05:52:52 2026.000000 0.000000 0.000000 87 173 01-02-2005:05:53:22 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