Table T1. Coring summary, Site U1424.
| Hole U1424A |
| Latitude: 40°11.4001′N |
| Longitude: 138°13.9003′E |
| Water depth (m): 2807.32 |
| Date started (UTC): 1236 h 24 August 2013 |
| Date finished (UTC): 2145 h 25 August 2013 |
| Time on hole (days): 1.38 |
| Seafloor depth (drill pipe measurement below rig floor, m DRF): 2818.7 |
| Distance between rig floor and sea level (m): 11.38 |
| Penetration DSF (m): 158.8 |
| Cored interval (m): 158.8 |
| Recovered length (m): 160.99 |
| Recovery (%): 101 |
| Drilled interval (m): NA |
| Drilled interval: 0 |
| Total cores: 17 |
| APC cores: 17 |
| XCB cores: 0 |
| RCB cores: 0 |
| Other cores: 0 |
| Hole U1424B |
| Latitude: 40°11.4076′N |
| Longitude: 138°13.8997′E |
| Water depth (m): 2808.4 |
| Date started (UTC): 2145 h 25 August 2013 |
| Date finished (UTC): 1135 h 26 August 2013 |
| Time on hole (days): 0.58 |
| Seafloor depth (drill pipe measurement below rig floor, m DRF): 2819.8 |
| Distance between rig floor and sea level (m): 11.40 |
| Penetration DSF (m): 154.7 |
| Cored interval (m): 154.7 |
| Recovered length (m): 155.34 |
| Recovery (%): 100 |
| Drilled interval (m): NA |
| Drilled interval: 0 |
| Total cores: 17 |
| APC cores: 17 |
| XCB cores: 0 |
| RCB cores: 0 |
| Other cores: 0 |
| Hole U1424C |
| Latitude: 40°11.3914′N |
| Longitude: 138°13.8998′E |
| Water depth (m): 2807.19 |
| Date started (UTC): 1135 h 26 August 2013 |
| Date finished (UTC): 2354 h 26 August 2013 |
| Time on hole (days): 0.51 |
| Seafloor depth (drill pipe measurement below rig floor, m DRF): 2818.6 |
| Distance between rig floor and sea level (m): 11.41 |
| Penetration DSF (m): 63.9 |
| Cored interval (m): 63.9 |
| Recovered length (m): 64.35 |
| Recovery (%): 101 |
| Drilled interval (m): NA |
| Drilled interval: 0 |
| Total cores: 7 |
| APC cores: 7 |
| XCB cores: 0 |
| RCB cores: 0 |
| Other cores: 0 |
| Site U1424 totals |
| Number of cores: 41 |
| Penetration (m): 377.4 |
| Cored (m): 377.4 |
| Recovered (m): 380.68 (101%) |
Core |
Date (Aug 2013) |
Time (h) |
Top depth of cored interval DSF (m) |
Bottom depth of cored interval DSF (m) |
Interval advanced (m) |
Top depth of recovered core CSF (m) |
Bottom depth of recovered core CSF (m) |
Length of core recovered (m) |
Curated length (m) |
Recovery (%) |
|---|---|---|---|---|---|---|---|---|---|---|
| 346-U1424A- | ||||||||||
| 1H | 25 | 0635 | 0.0 | 6.8 | 6.8 | 0.0 | 6.80 | 6.80 | 6.80 | 100 |
| 2H | 25 | 0730 | 6.8 | 16.3 | 9.5 | 6.8 | 16.45 | 9.65 | 9.65 | 102 |
| 3H | 25 | 0815 | 16.3 | 25.8 | 9.5 | 16.3 | 25.28 | 8.98 | 8.98 | 95 |
| 4H | 25 | 0920 | 25.8 | 35.3 | 9.5 | 25.8 | 35.48 | 9.68 | 9.68 | 102 |
| 5H | 25 | 1010 | 35.3 | 44.8 | 9.5 | 35.3 | 44.92 | 9.62 | 9.62 | 101 |
| 6H | 25 | 1055 | 44.8 | 54.3 | 9.5 | 44.8 | 54.39 | 9.59 | 9.59 | 101 |
| 7H | 25 | 1140 | 54.3 | 63.8 | 9.5 | 54.3 | 64.02 | 9.72 | 9.72 | 102 |
| 8H | 25 | 1225 | 63.8 | 73.3 | 9.5 | 63.8 | 73.22 | 9.42 | 9.42 | 99 |
| 9H | 25 | 1315 | 73.3 | 82.8 | 9.5 | 73.3 | 83.03 | 9.73 | 9.73 | 102 |
| 10H | 25 | 1405 | 82.8 | 92.3 | 9.5 | 82.8 | 92.42 | 9.62 | 9.62 | 101 |
| 11H | 25 | 1450 | 92.3 | 101.8 | 9.5 | 92.3 | 101.87 | 9.57 | 9.57 | 101 |
| 12H | 25 | 1540 | 101.8 | 111.3 | 9.5 | 101.8 | 111.53 | 9.73 | 9.73 | 102 |
| 13H | 25 | 1630 | 111.3 | 120.8 | 9.5 | 111.3 | 121.12 | 9.82 | 9.82 | 103 |
| 14H | 25 | 1720 | 120.8 | 130.3 | 9.5 | 120.8 | 130.55 | 9.75 | 9.75 | 103 |
| 15H | 25 | 1845 | 130.3 | 139.8 | 9.5 | 130.3 | 140.20 | 9.90 | 9.90 | 104 |
| 16H | 25 | 1945 | 139.8 | 149.3 | 9.5 | 139.8 | 149.64 | 9.84 | 9.84 | 104 |
| 17H | 25 | 2040 | 149.3 | 158.8 | 9.5 | 149.3 | 158.87 | 9.57 | 9.57 | 101 |
| Total advanced (m): | 158.8 | Total recovered (m): | 160.99 | |||||||
| 346-U1424B- | ||||||||||
| 1H | 25 | 2255 | 0.0 | 2.7 | 2.7 | 0.0 | 2.67 | 2.67 | 2.67 | 99 |
| 2H | 25 | 2330 | 2.7 | 12.2 | 9.5 | 2.7 | 11.97 | 9.27 | 9.27 | 98 |
| 3H | 26 | 0005 | 12.2 | 21.7 | 9.5 | 12.2 | 20.19 | 7.99 | 7.99 | 84 |
| 4H | 26 | 0045 | 21.7 | 31.2 | 9.5 | 21.7 | 30.93 | 9.23 | 9.23 | 97 |
| 5H | 26 | 0120 | 31.2 | 40.7 | 9.5 | 31.2 | 40.85 | 9.65 | 9.65 | 102 |
| 6H | 26 | 0200 | 40.7 | 50.2 | 9.5 | 40.7 | 50.26 | 9.56 | 9.56 | 101 |
| 7H | 26 | 0245 | 50.2 | 59.7 | 9.5 | 50.2 | 59.85 | 9.65 | 9.65 | 102 |
| 8H | 26 | 0320 | 59.7 | 69.2 | 9.5 | 59.7 | 68.98 | 9.28 | 9.28 | 98 |
| 9H | 26 | 0400 | 69.2 | 78.7 | 9.5 | 69.2 | 78.91 | 9.71 | 9.71 | 102 |
| 10H | 26 | 0440 | 78.7 | 88.2 | 9.5 | 78.7 | 88.40 | 9.70 | 9.70 | 102 |
| 11H | 26 | 0520 | 88.2 | 97.7 | 9.5 | 88.2 | 97.86 | 9.66 | 9.66 | 102 |
| 12H | 26 | 0605 | 97.7 | 107.2 | 9.5 | 97.7 | 107.51 | 9.81 | 9.81 | 103 |
| 13H | 26 | 0650 | 107.2 | 116.7 | 9.5 | 107.2 | 117.02 | 9.82 | 9.82 | 103 |
| 14H | 26 | 0730 | 116.7 | 126.2 | 9.5 | 116.7 | 126.54 | 9.84 | 9.84 | 104 |
| 15H | 26 | 0845 | 126.2 | 135.7 | 9.5 | 126.2 | 135.94 | 9.74 | 9.74 | 103 |
| 16H | 26 | 0955 | 135.7 | 145.2 | 9.5 | 135.7 | 145.58 | 9.88 | 9.88 | 104 |
| 17H | 26 | 1035 | 145.2 | 154.7 | 9.5 | 145.2 | 155.08 | 9.88 | 9.88 | 104 |
| Total advanced (m): | 154.7 | Total recovered (m): | 155.34 | |||||||
| 346-U1424C- | ||||||||||
| 1H | 26 | 1250 | 0.0 | 6.9 | 6.9 | 0.0 | 6.92 | 6.92 | 6.92 | 100 |
| 2H | 26 | 1320 | 6.9 | 16.4 | 9.5 | 6.9 | 16.56 | 9.66 | 9.66 | 102 |
| 3H | 26 | 1400 | 16.4 | 25.9 | 9.5 | 16.4 | 26.25 | 9.85 | 9.85 | 104 |
| 4H | 26 | 1440 | 25.9 | 35.4 | 9.5 | 25.9 | 35.28 | 9.38 | 9.38 | 99 |
| 5H | 26 | 1520 | 35.4 | 44.9 | 9.5 | 35.4 | 44.73 | 9.33 | 9.33 | 98 |
| 6H | 26 | 1600 | 44.9 | 54.4 | 9.5 | 44.9 | 54.49 | 9.59 | 9.59 | 101 |
| 7H | 26 | 1640 | 54.4 | 63.9 | 9.5 | 54.4 | 64.02 | 9.62 | 9.62 | 101 |
| Total advanced (m): | 180.5 | Total recovered (m): | 59.07 | |||||||
DRF = drilling depth below rig floor, DSF = drilling depth below seafloor, CSF = core depth below seafloor. APC = advanced piston corer, XCB = extended core barrel, RCB = rotary core barrel. H = APC system. NA = not applicable.
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