Table T8. Operations summary, Expedition 312.
| Hole | Latitude | Longitude | Number of cores |
Interval cored (m) |
Core recovered (m) |
Recovery (%) |
Drilled/ Washed (m) |
Total penetration (m) |
Time on hole (h) |
Time on hole (days) |
|---|---|---|---|---|---|---|---|---|---|---|
| 1256D-1 | 6°44.1631′N | 91°56.0612′W | 0 | 0.00 | 0.00 | 0.0 | 0.00 | 0.00 | 61.50 | 2.6 |
| 1256D-T | 6°44.1631′N | 91°56.0612′W | 0 | Drill ahead with 9⅞ inch tricone bit to bottom | 63.25 | 2.6 | ||||
| 1256D-2 | 6°44.1631′N | 91°56.0612′W | 11 | 54.60 | 8.58 | 15.7 | 0.00 | 54.60 | 99.75 | 4.2 |
| 1256D-3 | 6°44.1631′N | 91°56.0612′W | 8 | 33.80 | 5.54 | 16.4 | 0.00 | 33.80 | 86.00 | 3.6 |
| 1256D-4 | 6°44.1631′N | 91°56.0612′W | 6 | 24.00 | 1.31 | 5.5 | 0.00 | 24.00 | 78.25 | 3.3 |
| 1256D-5 | 6°44.1631′N | 91°56.0612′W | 4 | 5.30 | 0.53 | 10.0 | 0.00 | 5.30 | 53.50 | 2.2 |
| 1256D-F1 | 6°44.1631′N | 91°56.0612′W | Fishing run 1 (9 inch fishing magnet with 2 junk baskets) | 23.75 | 1.0 | |||||
| 1256D-F2 | 6°44.1631′N | 91°56.0612′W | Fishing run 2 (9½ inch fishing mill with 2 junk baskets) | 28.00 | 1.2 | |||||
| 1256D-F3 | 6°44.1631′N | 91°56.0612′W | Fishing run 3 (9½ inch fishing mill with 1 junk basket) | 28.50 | 1.2 | |||||
| 1256D-F4 | 6°44.1631′N | 91°56.0612′W | Fishing run 4 (9 inch fishing magnet with 2 junk baskets) | 22.05 | 0.9 | |||||
| 1256D-6 | 6°44.1631′N | 91°56.0612′W | 8 | 25.80 | 1.39 | 5.4 | 0.00 | 25.80 | 85.70 | 3.6 |
| 1256D-7 | 6°44.1631′N | 91°56.0612′W | 12 | 46.00 | 10.68 | 23.2 | 0.00 | 46.00 | 96.00 | 4.0 |
| 1256D-8 | 6°44.1631′N | 91°56.0612′W | 13 | 62.50 | 18.49 | 29.6 | 0.00 | 62.50 | 99.50 | 4.1 |
| 1256D-T | 6°44.1631′N | 91°56.0612′W | Logging run 1: triple combo tool string | 24.25 | 1.0 | |||||
| 1256D-V | 6°44.1631′N | 91°56.0612′W | Logging run 2: Vertical Seismic Instrument | 26.00 | 1.1 | |||||
| 1256D-F | 6°44.1631′N | 91°56.0612′W | Logging run 3: Formation MicroScanner | 8.00 | 0.3 | |||||
| 1256D-U | 6°44.1631′N | 91°56.0612′W | Logging run 4: Ultrasonic Borehole Imager | 12.00 | 0.5 | |||||
| 1256D-F | 6°44.1631′N | 91°56.0612′W | Logging run 5: Formation MicroScanner | 12.00 | 0.5 | |||||
| 1256D-T | 6°44.1631′N | 91°56.0612′W | Logging run 6: temperature tools (TAP/DLL/SGT) | 18.50 | 0.8 | |||||
| Site 1256 totals: | 62 | 252.00 | 46.52 | 18.5 | 0.00 | 252.00 | 926.50 | 38.6 | ||
| Expedition 312 totals: | 62 | 252.00 | 46.52 | 18.5 | 0.00 | 252.00 | 926.50 | 38.6 | ||
Notes: Seafloor depth = 8645.4 mbrf. TAP = Temperature/Acceleration/Pressure tool, DLL = Dual Laterolog, SGT = Scintillation Gamma Ray Tool.
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