Table T55. Vertical seismic profile experiment in Hole 1256D, Expedition 312.
| Station number |
Depth (mbsf) |
Two-way traveltime (ms) |
Interval velocity (km/s) |
|---|---|---|---|
| 60 | 339 | 2594.6 | 4.362 |
| 59 | 380 | 2604 | 3.464 |
| 58 | 404 | 2610.9 | 4.673 |
| 57 | 443 | — | — |
| 56 | 444 | — | — |
| 55 | 474 | 2625.9 | 4.545 |
| 54 | 494 | 2630.3 | 5.128 |
| 53 | 514 | 2634.2 | 4.979 |
| 52 | 538 | 2639 | 5.106 |
| 51 | 562 | 2643.7 | 4.827 |
| 50 | 587 | — | — |
| 49 | 610 | — | — |
| 47 | 629 | 2657.6 | 5.114 |
| 46 | 630 | — | — |
| 45 | 647 | 2661.1 | 5.026 |
| 44 | 666 | 2664.9 | 6.176 |
| 43 | 667 | — | — |
| 42 | 687 | 2668.3 | 4.406 |
| 41 | 701 | 2671.5 | 5.556 |
| 40 | 711 | 2673.3 | 5.116 |
| 39 | 733 | 2677.6 | 5.61 |
| 38 | 756 | 2681.7 | 4.562 |
| 37 | 778 | 2686.5 | 4.719 |
| 36 | 793 | 2689.7 | 5.598 |
| 35 | 811 | — | — |
| 34 | 812 | — | — |
| 33 | 839 | 2697.9 | 5.023 |
| 32 | 861 | 2702.3 | 5.278 |
| 31 | 862 | — | — |
| 30 | 880 | 2705.9 | 6.543 |
| 29 | 881 | — | — |
| 28 | 903 | 2709.4 | 5.244 |
| 27 | 934 | — | — |
| 26 | 946 | 2717.6 | 5.122 |
| 25 | 967 | 2721.7 | 5.808 |
| 24 | 982 | 2724.3 | 5.161 |
| 23 | 987 | — | — |
| 22 | 998 | 2727.4 | 5.814 |
| 21 | 1000 | — | — |
| 20 | 1023 | 2731.7 | 5.128 |
| 19 | 1031 | — | — |
| 18 | 1043 | 2735.6 | 5.333 |
| 17 | 1054 | — | — |
| 16 | 1075 | 2741.6 | 5.909 |
| 15 | 1101 | 2746 | 6.207 |
| 14 | 1119 | 2748.9 | 6.667 |
| 13 | 1141 | 2752.2 | 5.5 |
| 12 | 1163 | 2756.2 | 5.946 |
| 11 | 1185 | 2759.9 | 6.286 |
| 10 | 1207 | 2763.4 | 5.116 |
| 9 | 1229 | 2767.7 | 5.789 |
| 8 | 1251 | 2771.5 | 6.875 |
| 7 | 1273 | 2774.7 | 6.47 |
| 6 | 1295 | 2778.1 | 5.789 |
| 5 | 1317 | 2781.9 | 6.286 |
| 4 | 1339 | 2785.4 | 7.586 |
| 3 | 1361 | 2788.3 | 6.111 |
| 2 | 1383 | 2791.9 | — |
| 1 | 1382 | — | — |
Notes: Traveltimes are averages of 11 to 25 shots at each clamping depth. — = no value obtained.
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