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Table T1. Carbon and nitrogen isotopic compositions and concentrations for Sites U1319–U1324. (See table note.)

Core, section,
interval (cm)		 Depth
(mbsf)		 TOC
(wt%)		 δ13C
(‰)		 TN
(wt%)		 δ15N
(‰)		 C/N
(molar)
308-U1319A-
1H-1, 145–150 1.45 0.63 –20.8 0.28 4.0 2.6
1H-2, 145–150 2.95 0.23 –21.3 0.24 4.3 1.1
1H-3, 127–132 4.27 0.68 –23.3 0.21 2.2 3.7
2H-1, 145–150 5.95 0.81 –23.6 0.23 2.9 4.1
2H-3, 145–150 8.95 0.87 –23.0 0.27 4.8 3.8
2H-4, 145–150 10.45 0.79 –23.1 0.23 2.2 4.0
2H-5, 137–142 11.87 0.61 –23.3 0.17 1.4 4.1
2H-6, 145–150 13.45 1.06 –23.3 0.21 3.5 5.9
3H-1, 145–150 15.45 0.52 –21.1 0.24 4.3 2.5
3H-2, 138–143 16.88 0.54 –22.1 0.26 4.0 2.4
3H-3, 145–150 18.45 0.70 –20.6 0.27 3.3 3.0
3H-4, 145–150 19.95 0.46 –20.6 0.24 3.6 2.2
3H-5, 138–143 21.38 0.61 –20.2 0.28 4.7 2.6
3H-6, 145–150 22.95 0.34 –19.9 0.22 3.9 1.8
3H-7, 74–79 23.74 0.52 –20.1 0.28 3.3 2.2
4H-1, 145–150 24.95 0.71 –22.0 0.27 2.3 3.1
4H-2, 145–150 26.45 0.76 –23.2 0.24 4.6 3.6
4H-3, 145–150 27.95 0.77 –23.1 0.27 3.6 3.3
4H-4, 137–142 29.37 0.49 –20.5 0.26 3.7 2.2
4H-5, 145–150 30.95 0.57 –23.0 0.28 4.8 2.4
4H-6, 145–150 32.45 0.16 –25.4 0.21 3.8 0.9
4H-7, 58–63 33.08 0.82 –26.0 0.28 2.4 3.4
5H-1, 145–150 34.45 1.90 –25.5 0.26 2.3 8.6
5H-2, 145–150 35.95
–25.4 0.21 4.2
5H-3, 137–142 37.37 1.27 –25.3 0.26 4.4 5.8
5H-4, 145–150 38.95 1.03 –26.9 0.25 0.8 4.9
5H-5, 145–150 40.45 0.88 –26.4 0.22 2.7 4.7
5H-6, 145–150 41.95 0.88 –27.1 0.25 3.9 4.1
5H-7, 68–73 42.68 0.93 –25.5 0.25 2.5 4.4
6H-1, 145–150 43.95 0.84 –24.7 0.22 4.5 4.5
6H-2, 145–150 45.45 0.88 –25.9 0.23 8.0 4.5
6H-3, 137–142 46.87 0.96 –27.6 0.23 2.2 4.9
6H-4, 145–150 48.45 1.04 –26.4 0.24 2.3 5.0
6H-5, 145–150 49.95 0.94 –25.6 0.20 3.7 5.5
6H-7, 53–58 52.03 0.93 –27.1 0.22 3.5 4.8
7H-1, 145–150 53.45 1.08 –27.0 0.27 4.4 4.8
7H-2, 145–150 54.95 0.87 –27.0 0.25 2.8 4.1
7H-3, 137–142 56.37 0.81 –26.5 0.23 3.4 4.2
8H-3, 137–142 65.87 0.69 –24.8 0.19 3.0 4.2
9H-4, 137–142 76.87 0.80 –26.8 0.19 2.6 5.0
10H-3, 137–142 84.87 0.77 –25.8 0.21 2.6 4.3
11H-3, 145–150 93.07 0.55 –27.4 0.20 4.6 3.2
12H-2, 137–142 102.07 0.55 –25.3 0.20 1.7 3.3
13H-3, 77–82 109.72 0.53 –27.0 0.18 2.8 3.5
14X-2, 136–141 117.46 0.64 –26.3 0.20 3.3 3.7
15X-3, 145–150 123.55 0.55 –25.9 0.20 1.7 3.3
16X-3, 137–142 133.07 0.56 –24.3 0.21 5.1 3.1
17X-3, 145–150 142.75 0.60 –25.3 0.18 4.5 3.9
18X-3, 137–142 152.27 0.67 –22.3 0.20 3.0 3.9
308-U1320A-
1H-1, 145–150 1.45 0.60 –20.0 0.24 4.8 2.9
1H-2, 137–142 2.87 0.62 –22.4 0.20 –1.1 3.6
1H-3, 132–137 4.32 0.72 –25.2 0.15 2.6 5.7
2H-1, 132–137 5.82 0.54 –23.0 0.19 2.7 3.3
2H-2, 132–137 7.37 0.26 –24.8 0.12
2.6
2H-6, 145–150 13.45

0.09

2H-7, 49–54 13.99 1.99 –25.4 0.19 5.6 12.3
3H-1, 145–150 15.45 0.64 –23.1 0.18 4.4 4.2
3H-5, 127–132 21.27 0.68 –22.9 0.21 2.2 3.8
4H-3, 137–142 27.87 0.70 –22.8 0.20 3.9 4.0
4H-4, 145–150 29.45 0.65 –23.1 0.25 5.1 3.0
4H-5, 145–150 30.95 0.65 –23.7 0.23 4.8 3.3
4H-7, 45–50 32.8
–23.1 0.21 5.3
5H-1, 145–150 34.45 0.65 –22.1 0.23 4.2 3.3
5H-3, 137–142 37.37 0.67 –23.1 0.22 2.6 3.6
5H-5, 145–150 40.45 0.30 –23.3 0.14
2.4
6H-3, 145–150 46.95 0.03
0.10
0.3
7H-5, 137–142 59.37 0.52 –23.2 0.18 4.8 3.5
8H-2, 145–150 63.55 0.44 –23.5 0.19 3.3 2.6
9H-1, 132–137 68.62

0.09

11X-1, 95–100 79.25 0.60 –22.9 0.26 4.5 2.7
12X-3, 137–142 92.27 0.47 –24.3 0.18 2.7 3.0
14X-3, 145–150 111.55 0.68 –22.9 0.24 3.3 3.3
15X-3, 136–141 121.06 0.55 –23.1 0.21 5.1 3.1
16X-3, 145–150 130.75 0.53 –20.5 0.23 5.3 2.7
17X-4, 137–142 141.07 0.46 –20.3 0.14 6.0 3.8
18X-3, 145–150 150.05 0.40 –22.5 0.13 6.3 3.7
19X-3, 137–142 159.57 0.47 –23.0 0.15 3.8 3.6
20X-2, 145–150 167.75 0.98 –23.9 0.15 5.2 7.5
21X-1, 136–141 175.76 0.81 –24.3 0.14 3.6 7.0
22X-3, 145–150 188.55 0.72 –26.0 0.16 2.7 5.1
23X-1, 137–150 195.12 0.08 –26.3 0.12 3.4 0.8
23X-5, 137–142 201.17 1.12 –27.0 0.14 2.2 9.2
24X-3, 145–150 207.85 0.50
0.12 4.9 4.9
25X-3, 140–150 217.4 0.26 –25.9 0.11 –2.7 2.8
26X-3, 137–142 226.78 0.63
0.11 3.8 6.9
27X-3, 140–150 236.6 0.68 –25.9 0.10 5.4 7.7
28X-3, 140–150 246.3 0.44 –25.9 0.12 3.9 4.3
29X-3, 132–142 255.82 0.49
0.10 4.8 5.7
30X-3, 140–150 265.5 0.39
0.10 3.8 4.5
31X-3, 140–150 275.1 0.41 –24.7 0.11 3.8 4.5
32X-3, 132–142 284.62 0.37 –26.5 0.10 3.3 4.3
33X-3, 140–150 294.3 0.29 –26.4 0.10 3.6 3.3
308-U1322B-
1H-3, 87–100 3.87 0.91 –25.7 0.16 3.0 6.6
2H-1, 145–150 5.45 1.26 –25.9 0.18 3.1 8.1
2H-3, 145–150 8.45 1.64 –25.9 0.08 3.4 23.1
2H-5, 137–142 11.37 1.40 –25.2 0.08 3.7 19.7
3H-1, 145–150 14.95 0.98 –26.3 0.07 5.3 17.3
3H-3, 145–150 17.95 1.05 –26.9 0.07 3.2 16.6
3H-5, 137–142 20.87 0.82 –27.0 0.17 3.2 5.5
4H-1, 145–150 24.45 1.04 –26.2 0.07 5.4 16.6
4H-3, 137–142 27.37 0.89 –27.6 0.06 4.5 16.2
4H-5, 145–150 30.45 0.96 –26.8 0.07 4.8 15.6
5H-1, 145–150 33.95 1.00 –25.6 0.07 3.8 17.2
5H-3, 137–142 36.87 0.99 –25.9 0.07 3.8 16.5
5H-5, 145–150 39.95 1.04 –26.4 0.07 3.7 17.8
6H-2, 145–150 44.21 0.94 –26.8 0.09 4.1 11.7
6H-3, 137–142 45.63 0.83 –26.4 0.06 3.2 17.0
6H-5, 145–150 48.71 0.83 –26.1 0.06 2.6 15.9
7H-3, 132–142 55.82 0.89 –26.8 0.07 2.9 15.3
8H-3, 137–142 65.37 0.87 –26.9 0.06 3.2 16.1
9H-3, 137–142 74.87 0.96 –27.1 0.06 3.6 18.1
10H-3, 137–142 84.37 0.68 –26.1 0.06 4.6 12.4
11H-3, 132–142 92.33 0.86 –26.4 0.06 4.0 16.2
12H-3, 128–138 103.28 0.65 –26.7 0.07 4.6 11.7
13H-5, 75–85 115.31 0.63 –26.7 0.06 5.5 13.4
14H-3, 140–150 120.7 0.65 –26.9 0.05 3.6 14.9
15H-3, 134–144 129.14 0.72 –26.9 0.05 2.8 16.2
16H-3, 140–150 138.7 0.57 –26.9 0.06 4.9 10.7
17H-2, 28–38 143.83 0.40 –26.8 0.14 5.6 3.2
18H-3, 140–150 154.3 0.73 –25.8 0.06 4.3 14.4
19H-3, 132–142 162.12 0.59
0.06 5.2 12.1
20H-3, 140–150 171.1 0.39 –25.3 0.17 4.9 2.7
21H-3, 132–142 178.82 0.35 –25.4 0.16 3.4 2.5
22H-3, 140–150 186.7 0.56 –25.2 0.06 5.1 11.9
23H-3, 132–142 193.32 0.52
0.13 5.3 4.8
24H-1, 140–150 199.9 1.09 –25.7 0.06 5.3 21.6
26H-1, 122–132 211.52 0.53 –25.1 0.16 3.9 3.9
27H-3, 140–150 218.5 0.26 –26.0 0.18 5.7 1.7
28H-3, 140–150 224.7 0.36 –26.4 0.17 3.5 2.5
29H-3, 132–142 231.42 0.47 –25.8 0.06 5.2 9.3
308-U1322C-
1H-1, 90–95 0.9 0.66 –20.8 0.08 0.4 9.5
1H-1, 145–150 1.45 0.98 –20.8 0.11 4.7 10.1
1H-2, 90–95 2.4 0.94 –26.2 0.07 3.7 15.4
1H-2, 145–150 2.95 1.13 –26.0 0.08 3.0 16.9
1H-3, 128–133 4.28 1.22 –25.9 0.07 3.8 19.2
308-U1322D-
1H-3, 140–150 44.4 0.84 –26.7 0.07 4.1 15.1
2H-3, 140–150 74.4 0.76 –27.1 0.07 3.3 13.6
3H-3, 140–150 104.4 1.38 –26.0 0.06 4.4 25.2
308-U1324B-
1H-2, 135–140 2.85 1.25
0.16
9.1
2H-1, 145–150 5.25 1.14 –26.4 0.18 3.3 7.5
2H-3, 145–150 8.25 2.24 –26.0 0.53 3.0 4.9
2H-5, 135–140 11.15 1.48 –24.8 0.21 3.7 8.1
3H-1, 145–150 14.75 0.93 –25.4 0.16 3.9 6.8
3H-3, 145–150 17.75
–27.6 0.16 1.7
3H-5, 137–142 20.67 0.97 –27.6 0.18 0.2 6.3
4H-1, 145–150 24.25 1.06 –26.8 0.16 2.5 8.0
4H-3, 137–142 27.17 1.04 –26.9 0.16 2.6 7.7
4H-5, 145–150 30.25 0.96 –27.8 0.17 3.2 6.6
5H-1, 145–150 33.75 0.83 –27.2 0.17 2.8 5.7
5H-3, 145–150 36.67 0.98 –26.3 0.16 2.9 7.2
5H-5, 145–150 39.75
–26.8 0.15 2.4
6H-1, 145–150 43.25 0.92 –26.3 0.13 2.9 8.5
6H-3, 137–142 46.17 0.9 –26.3 0.20 3.2 5.3
6H-5, 145–150 49.25 0.82 –26.9 0.19 2.9 5.0
7H-3, 132–142 55.63 0.76 –26.9 0.17 3.6 5.1
9H-3, 132–142 74.62 0.75 –26.3 0.17 2.9 5.1
11H-3, 140–150 93.7 0.63 –26.4 0.19 3.6 3.8
13H-3, 132–142 112.62
–27.0 0.18 3.3
15H-3, 132–142 131.62 0.52 –27.0 0.16 4.2 3.8
17H-3, 132–142 149.22 0.57 –27.1 0.16 5.8 4.2
19H-3, 132–142 166.32 0.56 –23.7 0.18 4.3 3.6
21H-3, 132–142 183.32 0.55 –26.9 0.14 3.4 4.5
23H-3, 132–142 198.12 0.92 –26.1 0.19 3.4 5.7
25H-3, 140–150 211.9 0.91 –26.5 0.19 4.8 5.7
27H-3, 140–150 226.9 0.88 –25.9 0.21 3.4 5.0
29H-3, 132–142 242.92 0.63 –27.2 0.12 5.3 6.2
31H-3, 140–150 261.2 0.66 –26.2 0.12 3.0 6.4
33H-3, 140–150 278 0.68 –26.4 0.13 4.3 5.9
35H-2, 132–142 293.22 0.82 –27.0 0.15 3.5 6.5
37H-3, 140–150 310 0.86 –26.0 0.15 3.9 6.6
39H-3, 140–150 323.6 1.08 –26.6 0.15 4.3 8.2
40H-3, 140–150 332 0.49 –26.0 0.15 5.8 3.8
41H-3, 132–142 337.82 0.66
0.11 3.3 7.2
42H-3, 140–150 343.4 0.5
0.12 0.7 5.1
43H-3, 140–150 349.4 0.56 –26.7 0.11 1.2 5.8
44H-2, 132–142 355.42 0.57 –27.2 0.12 5.8 5.7
45X-2, 140–150 360.8 0.94 –26.1 0.12 4.5 9.2
46X-3, 140–150 366.8 0.48 –27.1 0.15 5.7 3.6
47H-3, 88–98 371.88 0.53 –26.2 0.12 1.1 5.2
48H-3, 131–141 377.6 0.57 –25.7 0.11 0.9 6.3
49H-3, 131–141 385.81 0.45 –25.7 0.11 4.8 4.7
50H-3, 140–150 392.3 0.41
0.10 2.6 4.6
51X-1, 140–150 395.9 0.69 –25.5 0.13 7.5 6.0
52X-3, 140–150 401.2 0.53 –26.7 0.12 4.5 5.2
53X-3, 140–150 410.8 0.42 –26.1 0.11 8.2 4.6
54X-2, 140–150 418.9 0.48 –26.0 0.10
5.6
55X-3, 140–150 430.1 0.67 –26.0 0.12
6.5
56X-2, 132–142 438.12 0.58 –25.7 0.11 4.2 6.2
57X-3, 140–150 449.4 0.63 –25.5 0.12 4.6 6.1
59X-3, 132–142 467.46 0.76 –26.7 0.12 5.6 7.4
61X-3, 140–150 487.9 0.44 –26.0 0.12 5.6 4.3
63X-3, 140–150 507.1 0.66 –26.0 0.11 4.0 7.0
65X-3, 140–150 526.3 0.58 –25.2 0.12 4.2 5.6
67X-3, 140–150 545.5 0.44 –26.2 0.14 4.7 3.7
69X-2, 140–150 563.3
–26.2 0.16 5.3
71X-3, 140–150 584 0.86 –25.8 0.13 3.4 7.7
73X-1, 140–150 594.6 0.49 –26.7 0.17 4.6 3.4
74X-3, 132–142 602.92 0.22 –26.7 0.10
2.6
308-U1324C-
1H-1, 140–150 51.4 0.99 –26.8 0.17 3.5 6.8
2H-3, 140–150 104.4 0.62 –27.1 0.17 3.5 4.3
3H-3, 140–150 153.49 0.45
0.12 2.4 4.4
4H-3, 140–150 204.4 0.57 –26.6 0.17 2.5 3.9
5H-3, 140–150 254.4 0.5
0.16 3.5 3.6
6H-2, 140–150 302.9
–26.0 0.16 3.9
7H-2, 140–150 407.9 0.31 –25.3 0.10 2.8 3.6
8H-3, 140–150 509.4 0.41 –25.7 0.14 6.0 3.4

Note: TOC = total organic carbon, TN = total nitrogen.

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