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Table T23. Core top and composite depth, Site U1409.

Core Depth Offset (m) Cumulative
offset (m)
Comment
(mbsf) (m CCSF)
342-U1409A-
1H 0.00 0.10 0.10 0.10  
2H 1.10 2.67 1.47 1.57  
3H 10.60 12.46 0.29 1.86  
4H 20.10 23.53 1.57 3.43  
5H 29.60 35.38 2.35 5.78  
6H 39.10 45.45 0.57 6.35  
7H 48.60 55.61 0.66 7.01  
8H 58.10 65.30 0.19 7.20  
9H 67.60 76.47 1.67 8.87  
10H 77.10 86.64 0.67 9.54  
11H 86.60 97.16 1.02 10.56  
12H 96.10 110.11 3.45 14.01  
13H 105.60 121.22 1.61 15.62  
14H 115.10 132.35 1.63 17.25 Offset to remove overlap
15H 124.60 144.75 2.90 20.15  
16H 126.10 146.25 0.00 20.15  
17X 127.00 152.15 5.00 25.15 Large offset to align with Hole U1409C
18X 131.60 156.85 0.10 25.25  
19X 141.20 166.55 0.10 25.35 No recovery
20X 150.80 176.47 0.32 25.67  
21X 160.40 186.09 0.02 25.69  
22X 170.00 197.13 1.44 27.13 Offset = 15% of drilling advance
23X 179.60 208.17 1.44 28.57 Offset = 15% of drilling advance
24X 189.20 219.21 1.44 30.01 Offset = 15% of drilling advance
25X 197.70 228.99 1.28 31.29 Offset = 15% of drilling advance
26X 199.30 230.83 0.24 31.53 Offset = 15% of drilling advance
342-U1409B-
1H 0.00 0.03 0.03 0.03  
2H 8.30 8.80 0.47 0.50  
3H 17.80 18.80 0.50 1.00  
4H 27.30 29.34 1.04 2.04  
5H 36.80 39.21 0.37 2.41  
6H 46.30 48.82 0.11 2.52  
7H 55.80 59.32 1.00 3.52  
8H 65.30 71.86 3.04 6.56  
9H 74.80 82.16 0.80 7.36 Tentative
10H 84.30 94.32 2.66 10.02  
11H 93.80 104.89 1.07 11.09  
12H 103.30 117.76 3.37 14.46  
13H 112.80 132.95 5.69 20.15  
14H 122.30 142.45 0.00 20.15 No recovery
15X 122.50 142.65 0.00 20.15 No offset because core is appended
16X 132.10 154.45 2.20 22.35  
17X 141.70 164.15 0.10 22.45  
18X 151.30 173.35 –0.40 22.05  
19X 160.90 182.72 –0.23 21.82  
342-U1409C-
1H 0.00 0.00 0.00 0.00  
2H 6.30 8.01 1.71 1.71  
3H 15.80 19.08 1.57 3.28  
4H 25.30 28.56 –0.02 3.26  
5H 30.80 34.54 0.48 3.74  
6H 40.30 44.59 0.55 4.29  
7H 49.80 55.40 1.31 5.60  
8H 59.30 63.89 –1.01 4.59  
9H 68.80 76.21 2.82 7.41  
10H 78.30 86.51 0.80 8.21  
11H 87.80 96.68 0.67 8.88  
12H 97.30 112.43 6.25 15.13  
13H 106.80 121.32 –0.61 14.52  
14H 116.30 133.75 2.93 17.45  
15X 124.20 143.85 2.20 19.65  
16X 129.20 148.85 0.00 19.65 No offset because core is appended
17X 131.80 151.45 0.00 19.65 No offset because core is appended
18X 136.80 156.65 0.20 19.85  
19X 143.30 161.85 –1.30 18.55  
20X 149.30 167.45 –0.40 18.15  
21X 157.30 176.35 0.90 19.05  

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