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Table T1. Carbon isotopic composition of pore fluids, IODP Expedition 311. (See table note.)
Core, section,
interval (cm)
Depth
(mbsf)
δ13CDIC
(‰ PDB)
311-U1325B-
12X-4, 68–93 89.58 8.42
14X-2, 125–150 105.05 8.85
14X-6, 0–25 109.63 9.27
15X-2, 120–150 114.40 8.73
15X-3, 0–14 114.70 9.00
16X-2, 120–150 124.00 9.44
16X-4, 25–35 126.05 8.83
16X-6, 120–150 127.85 9.13
18X-2, 126–156 133.66 8.56
20X-5, 120–150 156.54 10.05
23X-1, 120–150 171.60 9.67
24X-3, 120–150 182.97 8.83
24X-5, 112–145 185.39 9.26
311-U1325C-
1X-1, 120–150 190.00 9.00
2X-1, 0–43 198.40 6.33
4X-3, 0–79 210.13 6.77
6X-3, 88–112 221.27 5.59
7X-2, 0–50 228.70 7.34
7X-4, 69–79 231.89 6.01
8X-2, 62–85 238.92 5.27
8X-4, 0–50 240.65 6.06
9X-2, 100–150 249.00 6.27
11X-2, 105–150 259.65 5.51
11X-5, 0–45 263.10 5.63
12X-3, 0–45 268.67 7.43
15X-3, 0–134 297.09 6.32
15X-3, 0–134 297.09 6.44
311-U1325D-
1H-1, 140–150 1.40 –17.71
1H-2, 140–150 2.90 –21.39
1H-3, 130–140 4.30 –19.61
1H-3, 140–150 4.40 –12.83
311-U1326C-
1H-1, 65–80 0.65 –23.05
1H-1, 135–150 1.35 –32.27
1H-2, 65–80 2.15 –36.93
1H-2, 135–150 2.85 –33.86
1H-3, 60–72 3.60 –28.87
2H-1, 135–150 5.25 –17.88
2H-2, 65–80 6.05 –13.67
2H-2, 135–150 6.75 –10.40
2H-3, 60–75 7.50 –7.73
2H-3, 135–150 8.25 –5.27
2H-4, 65–80 9.05 –3.42
2H-5, 135–150 11.25 0.72
2H-6, 135–150 12.75 3.07
3H-2, 135–150 16.25 6.35
3H-4, 135–150 19.25 6.73
4H-2, 130–150 25.70 6.18
6X-2, 125–150 42.75 3.16
7X-1, 93–133 50.63 –0.95
7X-3, 74–101 53.27 –1.85
9X-2, 0–25 70.60 –4.00
9X-3, 66–91 72.76 –4.28
10X-2, 0–30 80.20 –2.49
311-U1326D-
2X-2, 125–150 91.15 2.93
2X-5, 104–144 95.44 2.18
3X-4, 61–90 103.21 3.15
3X-4, 90–119 103.50 6.20
4X-3, 40–106 111.10 6.42
4X-5, 126–146 114.37 5.15
5X-4, 115–150 122.69 7.29
6X-4, 90–132 132.03 8.47
8X-2, 36–86 148.16 11.87
9X-1, 84–134 156.74 11.85
9X-4, 35–48 158.46 9.62
10X-2, 97–142 168.07 10.75
10X-6, 0–66 172.02 8.10
11X-1, 38–49 175.58 6.32
11X-4, 100–150 179.69 8.49
12X-1, 75–125 185.55 5.62
12X-3, 100–150 188.55 5.83
12X-3, 100–150 188.55 6.47
13X-4, 60–112 198.60 4.51
14X-3, 58–73 206.85 3.05
14X-5, 0–50 208.50 5.26
15X-5, 50–100 219.86 3.57
16X-3, 0–50 226.30 1.33
16X-5, 0–52 228.90 1.20
17X-3, 0–100 235.90 3.94
18X-3, 0–90 244.61 5.12
19X-2, 0–83 253.61 5.78
20X-4, 50–150 265.54 5.22
20X-6, 0–100 268.04 2.30
311-U1327C-
1H-1, 140–150 1.50 –18.09
1H-3, 140–150 4.50 –30.75
16X-2, 120–150 126.70 12.31
21X-4, 81–150 175.70 27.23
27X-1, 108–138 219.70 27.16
27X-4, 114–144 224.00 27.38
28X-3, 96–125 232.10 25.83
311-U1327D-
1H-1, 25–40 0.30 –4.57
1H-1, 135–150 1.40 –18.29
1H-2, 25–50 1.80 –20.36
1H-2, 55–70 2.10 –23.78
1H-2, 80–95 2.40 –25.11
1H-2, 135–150 2.90 –26.37
1H-3, 40–55 3.50 –28.75
1H-3, 65–80 3.70 –29.46
1H-4, 25–40 4.80 –31.57
1H-4, 135–150 5.90 –33.47
2H-1, 135–150 8.30 –30.45
311-U1328B-
1H-1, 40–50 0.50 –3.86
1H-1, 140–150 1.50 –16.93
1H-2, 70–80 2.30 –56.75
1H-2, 140–150 3.00 –48.32
2H-1, 80–100 5.40 8.30
4P-1, 36–46 14.90 –3.02
311-U1328D-
1X-4, 135–150 5.90 –51.14
1X-5, 135–150 7.40 –46.86
311-U1329C-
1H-1, 140–150 1.40 –10.83
1H-3, 140–150 4.40 –16.95
1H-5, 140–150 7.40 –24.36
2H-1, 140–150 9.50 –23.78
2H-3, 140–150 12.50 –16.26
2H-5, 140–150 15.50 –12.24
2H-7, 74–84 17.84 –10.51
3H-2, 135–150 20.45 –8.54
3H-4, 135–150 23.45 –5.92
3H-6, 135–150 26.45 –3.09
4H-2, 120–150 29.80 1.73
4H-5, 120–150 34.30 6.21
5H-2, 130–150 39.40 12.00
5H-5, 130–150 43.90 14.62
6H-1, 135–150 47.45 16.68
6H-5, 135–150 53.45 19.77
7P-1, 25–50 55.85 21.64
8H-2, 135–150 60.45 23.99
8H-5, 135–150 64.95 25.60
9H-2, 135–150 69.95 28.62
9H-5, 130–150 74.40 30.42
10H-2, 130–150 79.40 30.88
10H-5, 130–150 83.90 31.03
11H-2, 130–150 88.90 32.42
11H-5, 130–150 93.40 33.10
12H-2, 120–150 98.28 33.63
12H-5, 130–150 102.88 33.25
13H-2, 130–150 107.90 33.28
13H-5, 130–150 112.40 33.24
15H-2, 130–150 119.40 33.01
15H-5, 130–150 123.90 31.81
16H-2, 130–150 128.90 31.31
16H-5, 130–150 133.40 31.45
17H-2, 125–145 138.35 32.76
17H-3, 130–150 139.85 31.74
19X-2, 120–150 152.60 32.47
20X-2, 120–150 162.30 31.95
21X-6, 0–30 176.30 29.86
311-U1329E-
1H-1, 140–150 1.40 –11.34
1H-2, 140–150 2.90 –14.76
1H-3, 140–150 4.40 –17.57
2H-1, 135–150 6.35 –22.05
2H-2, 135–150 7.85 –24.26
2H-3, 135–150 9.35 –25.29
2H-4, 135–150 10.85 –20.81
2H-5, 135–150 12.35 –17.07
2H-6, 135–150 13.85 –14.60
3H-7, 63–78 24.13 –4.91
7P-1, 0–38 73.50 27.89
10P-1, 18–59 125.18 29.94

Note: PDB = Peedee belemnite.

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