Table T1. Coring summary, Site U1307.
| Hole U1307A |
| Latitude: 58°30.3468′N |
| Longitude: 46°24.0327′W |
| Time on site (h): 52.50 (0830 h, 28 October 2004–1300 h, 30 October 2004) |
| Time on hole (h): 27.42 (0830 h, 28 October 2004–1155 h, 29 October 2004) |
| Seafloor (drill pipe measurement from rig floor, mbrf): 2586.4 |
| Distance between rig floor and sea level (m): 11.3 |
| Water depth (drill pipe measurement from sea level, m): 2575.1 |
| Total depth (drill pipe measurement from rig floor, mbrf): 2748.0 |
| Total penetration (meters below seafloor, mbsf): 162.6 |
| Total length of cored section (m): 156.6 |
| Total length of drilled interval (m): 6.0 |
| Total core recovered (m): 160.76 |
| Core recovery (%): 102.7 |
| Total number of cores: 19 |
| Total number of drilled intervals: 2 |
| Hole U1307B |
| Latitude: 58°0.3576′N |
| Longitude: 46°24.0540′W |
| Time on hole (h): 25.08 (1155 h, 29 October 2004–1300 h, 30 October 2004) |
| Seafloor (drill pipe measurement from rig floor, mbrf): 2586.6 |
| Distance between rig floor and sea level (m): 11.3 |
| Water depth (drill pipe measurement from sea level, m): 2575.3 |
| Total depth (drill pipe measurement from rig floor, mbrf): 2741.2 |
| Total penetration (meters below seafloor, mbsf): 154.6 |
| Total length of cored section (m): 154.6 |
| Total core recovered (m): 156.97 |
| Core recovery (%): 101.5 |
| Total number of cores: 17 |
| Core | Date (Oct 2004) |
Local time (h) |
Depth (mbsf) | Length (m) | Recovery (%) |
Comments | ||
|---|---|---|---|---|---|---|---|---|
| Top | Bottom | Cored | Recovered | |||||
| 303-U1307A- | ||||||||
| 1H | 28 | 1440 | 0.0 | 9.5 | 9.5 | 9.48 | 99.8 | Nonmagnetic barrel |
| 2H | 28 | 1530 | 9.5 | 19.0 | 9.5 | 9.88 | 104.0 | Nonmagnetic barrel |
| 3H | 28 | 1620 | 19.0 | 28.5 | 9.5 | 9.74 | 102.5 | Oriented; nonmagnetic barrel |
| 4H | 28 | 1710 | 28.5 | 38.0 | 9.5 | 10.00 | 105.3 | Oriented; nonmagnetic barrel |
| 5H | 28 | 1800 | 38.0 | 47.5 | 9.5 | 9.37 | 98.6 | Oriented; nonmagnetic barrel; crushed liner |
| 6H | 28 | 1845 | 47.5 | 50.5 | 3.0 | 3.13 | 104.3 | Oriented; nonmagnetic barrel |
| *****Drilled 50.5 to 52.5 mbsf***** | ||||||||
| 7H | 28 | 1945 | 52.5 | 62.0 | 9.5 | 9.99 | 105.2 | Oriented; nonmagnetic barrel |
| 8H | 28 | 2030 | 62.0 | 71.5 | 9.5 | 9.97 | 105.0 | Oriented; nonmagnetic barrel |
| 9H | 28 | 2115 | 71.5 | 73.7 | 2.2 | 2.25 | 102.3 | Oriented; nonmagnetic barrel |
| *****Drilled 73.7 to 77.7 mbsf***** | ||||||||
| 10H | 28 | 2210 | 77.7 | 87.2 | 9.5 | 9.59 | 101.0 | Oriented; nonmagnetic barrel |
| 11H | 28 | 2300 | 87.2 | 96.7 | 9.5 | 9.06 | 95.4 | Oriented; nonmagnetic barrel |
| 12H | 28 | 2350 | 96.7 | 106.2 | 9.5 | 9.89 | 104.1 | Oriented; nonmagnetic barrel |
| 13H | 28 | 0040 | 106.2 | 112.4 | 6.2 | 6.23 | 100.5 | Oriented; nonmagnetic barrel |
| 14H | 28 | 0150 | 112.4 | 121.9 | 9.5 | 9.95 | 104.7 | Oriented; nonmagnetic barrel |
| 15H | 28 | 0240 | 121.9 | 125.7 | 3.8 | 3.82 | 100.5 | Oriented; nonmagnetic barrel |
| 16H | 28 | 0400 | 125.7 | 135.2 | 9.5 | 9.72 | 102.3 | Oriented; nonmagnetic barrel |
| 17H | 28 | 0510 | 135.2 | 144.7 | 9.5 | 9.95 | 104.7 | Oriented; nonmagnetic barrel |
| 18H | 28 | 0610 | 144.7 | 153.1 | 8.4 | 8.46 | 100.7 | Oriented; nonmagnetic barrel |
| 19H | 28 | 1030 | 153.1 | 162.6 | 9.5 | 9.99 | 105.2 | Oriented; nonmagnetic barrel; bit plugged; deployed center bit |
| Cored: | 156.6 | 160.47 | 102.5 | |||||
| Drilled: | 6.0 | |||||||
| Total: | 162.6 | |||||||
| 303-U1307B- | ||||||||
| 1H | 29 | 1315 | 0.0 | 4.8 | 4.8 | 4.83 | 100.6 | Nonmagnetic barrel |
| 2H | 29 | 1400 | 4.8 | 14.3 | 9.5 | 8.94 | 94.1 | Nonmagnetic barrel |
| 3H | 29 | 1445 | 14.3 | 23.8 | 9.5 | 9.88 | 104.0 | Oriented; nonmagnetic barrel |
| 4H | 29 | 1530 | 23.8 | 33.3 | 9.5 | 8.80 | 92.6 | Oriented; nonmagnetic barrel |
| 5H | 29 | 1615 | 33.3 | 42.8 | 9.5 | 10.05 | 105.8 | Oriented; nonmagnetic barrel; crushed liner |
| 6H | 29 | 1710 | 42.8 | 52.3 | 9.5 | 9.47 | 99.7 | Oriented; nonmagnetic barrel |
| 7H | 29 | 1800 | 52.3 | 61.8 | 9.5 | 9.90 | 104.2 | Oriented; nonmagnetic barrel; expanding core |
| 8H | 29 | 1850 | 61.8 | 71.3 | 9.5 | 8.11 | 85.4 | Oriented; nonmagnetic barrel |
| 303-U1307B- | ||||||||
| 9H | 29 | 1935 | 71.3 | 80.8 | 9.5 | 10.05 | 105.8 | Oriented; nonmagnetic barrel |
| 10H | 29 | 2030 | 80.8 | 90.3 | 9.5 | 10.17 | 107.1 | Oriented; nonmagnetic barrel |
| 11H | 29 | 2125 | 90.3 | 99.8 | 9.5 | 9.95 | 104.7 | Oriented; nonmagnetic barrel; split/crushed liner |
| 12H | 29 | 2230 | 99.8 | 109.3 | 9.5 | 9.85 | 103.7 | Oriented; nonmagnetic barrel |
| 13H | 29 | 2320 | 109.3 | 118.8 | 9.5 | 9.96 | 104.8 | Oriented; nonmagnetic barrel |
| 14H | 30 | 0025 | 118.8 | 128.3 | 9.5 | 9.85 | 103.7 | Oriented; nonmagnetic barrel |
| 15H | 30 | 0210 | 128.3 | 137.8 | 9.5 | 9.96 | 104.8 | Oriented; nonmagnetic barrel |
| 16H | 30 | 0320 | 137.8 | 147.3 | 9.5 | 9.91 | 104.3 | Oriented; nonmagnetic barrel |
| 17H | 30 | 0515 | 147.3 | 154.6 | 7.3 | 7.29 | 99.9 | Oriented; nonmagnetic barrel |
| Totals: | 154.6 | 156.97 | 101.5 | |||||
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