Table T1. Coring summary, Site U1428.
| Hole U1428A |
| Latitude: 31°40.6391′N |
| Longitude: 129°02.0003′E |
| Water depth (m): 723.86 |
| Date started (UTC): 2000 h 11 September 2013 |
| Date finished (UTC): 0124 h 13 September 2013 |
| Time on hole (days): 1.23 |
| Seafloor depth DRF (m): 735.4 |
| Rig floor to sea level (m): 11.54 |
| Penetration DSF (m): 211.5 |
| Cored interval (m): 173.9 |
| Recovered length (m): 178.86 |
| Recovery (%): 103 |
| Drilled interval (m): 37.6 |
| Drilled interval: 6 |
| Total cores: 26 |
| APC cores: 26 |
| XCB cores: 0 |
| RCB cores: 0 |
| Other cores: 0 |
| Hole U1428B |
| Latitude: 31°40.6483′N |
| Longitude: 129°02.0004′E |
| Water depth (m): 724.1 |
| Date started (UTC): 0430 h 15 September 2013 |
| Date finished (UTC): 1918 h 15 September 2013 |
| Time on hole (days): 0.62 |
| Seafloor depth DRF (m): 735.8 |
| Rig floor to sea level (m): 11.70 |
| Penetration DSF (m): 143.3 |
| Cored interval (m): 143.3 |
| Recovered length (m): 145.85 |
| Recovery (%): 102 |
| Drilled interval (m): NA |
| Drilled interval: 0 |
| Total cores: 16 |
| APC cores: 16 |
| XCB cores: 0 |
| RCB cores: 0 |
| Other cores: 0 |
| Site U1428 totals |
| Number of cores: 42 |
| Penetration (m): 354.8 |
| Cored (m): 317.2 |
| Recovered (m): 324.71 (102.5%) |
|
Core |
Date (Sep 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-U1428A- | ||||||||||
| 1H | 12 | 0340 | 0.0 | 6.4 | 6.4 | 0.0 | 6.37 | 6.37 | 6.37 | 100 |
| 2H | 12 | 0500 | 6.4 | 15.9 | 9.5 | 6.4 | 16.25 | 9.85 | 9.85 | 104 |
| 3H | 12 | 0520 | 15.9 | 25.4 | 9.5 | 15.9 | 25.43 | 9.53 | 9.53 | 100 |
| 4H | 12 | 0555 | 25.4 | 34.9 | 9.5 | 25.4 | 35.40 | 10.00 | 10.00 | 105 |
| 5H | 12 | 0615 | 34.9 | 44.4 | 9.5 | 34.9 | 44.88 | 9.98 | 9.98 | 105 |
| 6H | 12 | 0645 | 44.4 | 53.9 | 9.5 | 44.4 | 54.22 | 9.82 | 9.82 | 103 |
| 7H | 12 | 0715 | 53.9 | 63.4 | 9.5 | 53.9 | 63.89 | 9.99 | 9.99 | 105 |
| 8H | 12 | 0740 | 63.4 | 72.9 | 9.5 | 63.4 | 73.46 | 10.06 | 10.06 | 106 |
| 9H | 12 | 0805 | 72.9 | 82.4 | 9.5 | 72.9 | 82.77 | 9.87 | 9.87 | 104 |
| 10H | 12 | 0845 | 82.4 | 91.9 | 9.5 | 82.4 | 91.89 | 9.49 | 9.49 | 100 |
| 11H | 12 | 0935 | 91.9 | 101.4 | 9.5 | 91.9 | 102.20 | 10.30 | 10.30 | 108 |
| 12H | 12 | 0955 | 101.4 | 110.9 | 9.5 | 101.4 | 111.55 | 10.15 | 10.15 | 107 |
| 13H | 12 | 1035 | 110.9 | 120.4 | 9.5 | 110.9 | 120.88 | 9.98 | 9.98 | 105 |
| 14H | 12 | 1105 | 120.4 | 129.9 | 9.5 | 120.4 | 129.91 | 9.51 | 9.51 | 100 |
| 15H | 12 | 1130 | 129.9 | 137.3 | 7.4 | 129.9 | 137.35 | 7.45 | 7.45 | 101 |
| 16H | 12 | 1230 | 137.3 | 143.5 | 6.2 | 137.3 | 143.50 | 6.20 | 6.20 | 100 |
| 171 | 12 | 1240 | *****Drilled from 143.5 to 146.8 mbsf***** | |||||||
| 18H | 12 | 1310 | 146.8 | 150.1 | 3.3 | 146.8 | 153.88 | 7.08 | 7.08 | 215 |
| 19H | 12 | 1440 | 150.1 | 150.1 | 0 | 150.1 | 150.13 | 0.03 | ||
| 202 | 12 | 1510 | *****Drilled from 150.1 to 154.8 mbsf***** | |||||||
| 21H | 12 | 1525 | 154.8 | 156.3 | 1.5 | 154.8 | 156.26 | 1.46 | 1.46 | 97 |
| 22H | 12 | 1530 | 156.3 | 159.5 | 3.2 | 156.3 | 157.76 | 1.46 | ||
| 23H | 12 | 1600 | 159.5 | 169.0 | 9.5 | 159.5 | 168.37 | 8.87 | 8.87 | 93 |
| 24H | 12 | 1640 | 169.0 | 173.0 | 4.0 | 169.0 | 172.94 | 3.94 | 3.94 | 99 |
| 254 | 12 | 1700 | *****Drilled from 173.0 to 178.5 mbsf***** | |||||||
| 26H | 12 | 1710 | 178.5 | 182.9 | 4.4 | 178.5 | 182.90 | 4.40 | 4.40 | 100 |
| 275 | 12 | 1730 | *****Drilled from 182.9 to 188.0 mbsf***** | |||||||
| 28H | 12 | 1745 | 188.0 | 188.0 | 0.0 | 188.0 | 189.46 | 1.46 | ||
| 296 | 12 | 1800 | *****Drilled from 188.0 to 197.5 mbsf***** | |||||||
| 30H | 12 | 1830 | 197.5 | 197.5 | 0.0 | 197.5 | 198.96 | 1.46 | ||
| 317 | 12 | 1840 | *****Drilled from 197.5 to 207.0 mbsf***** | |||||||
| 32H | 12 | 2030 | 207.0 | 211.5 | 4.5 | 207.0 | 211.56 | 4.56 | 4.56 | 101 |
| Total advanced (m): | 211.5 | Total recovered (m): | 178.86 | |||||||
| 346-U1428B- | ||||||||||
| 1H | 15 | 0745 | 0.0 | 2.5 | 2.5 | 0.0 | 2.49 | 2.49 | 2.49 | 100 |
| 2H | 15 | 0805 | 2.5 | 12.0 | 9.5 | 2.5 | 12.30 | 9.80 | 9.80 | 103 |
| 3H | 15 | 0835 | 12.0 | 21.5 | 9.5 | 12.0 | 21.73 | 9.73 | 9.73 | 102 |
| 4H | 15 | 0900 | 21.5 | 31.0 | 9.5 | 21.5 | 31.28 | 9.78 | 9.78 | 103 |
| 5H | 15 | 0925 | 31.0 | 40.5 | 9.5 | 31.0 | 40.68 | 9.68 | 9.68 | 102 |
| 6H | 15 | 0955 | 40.5 | 50.0 | 9.5 | 40.5 | 50.14 | 9.64 | 9.64 | 101 |
| 7H | 15 | 1040 | 50.0 | 59.5 | 9.5 | 50.0 | 59.87 | 9.87 | 9.87 | 104 |
| 8H | 15 | 1120 | 59.5 | 69.0 | 9.5 | 59.5 | 69.54 | 10.04 | 10.04 | 106 |
| 9H | 15 | 1150 | 69.0 | 78.5 | 9.5 | 69.0 | 78.86 | 9.86 | 9.86 | 104 |
| 10H | 15 | 1215 | 78.5 | 88.0 | 9.5 | 78.5 | 87.78 | 9.28 | 9.28 | 98 |
| 11H | 15 | 1245 | 88.0 | 97.5 | 9.5 | 88.0 | 97.72 | 9.72 | 9.72 | 102 |
| 12H | 15 | 1310 | 97.5 | 107.0 | 9.5 | 97.5 | 107.21 | 9.71 | 9.71 | 102 |
| 13H | 15 | 1335 | 107.0 | 116.5 | 9.5 | 107.0 | 116.74 | 9.74 | 9.74 | 103 |
| 14H | 15 | 1400 | 116.5 | 126.0 | 9.5 | 116.5 | 126.19 | 9.69 | 9.69 | 102 |
| 15H | 15 | 1425 | 126.0 | 135.5 | 9.5 | 126.0 | 135.02 | 9.02 | 9.02 | 95 |
| 16H | 15 | 1450 | 135.5 | 143.3 | 7.8 | 135.5 | 143.30 | 7.80 | 7.80 | 100 |
| Total advanced (m): | 143.3 | Total recovered (m): | 145.85 | |||||||
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, numeric core type = drilled interval. NA = not applicable.
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