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Table T1. Carbon isotope composition of total DIC in interstitial water, Sites U1316, U1317, and U1318. (See table note.)

Core, section,
interval (cm)
Depth
(mbsf)
δ13CDIC
(‰, VPDB)
307-U1316A-
1H-3, 145–150 4.45 –7.8
2H-3, 140–150 11.70 –15.5
3H-3, 140–150 21.20 –15
4H-3, 140–150 30.70 –14.1
5H-3, 140–150 40.20 –13.4
6H-3, 140–150 49.70 –10.1
7H-1, 140–150 56.20 –5.1
8H-2, 140–150 66.29 –6
10X-2, 140–150 78.70 –1.7
11X-2, 140–150 81.20 –3.1
12X-1, 140–150 84.70 –6.4
13X-2, 140–150 90.70 –6.1
15X-1, 112–117 95.42 –9.1
16X-3, 140–150 103.40 –4.5
17X-1, 7–17 108.67 –6
18X-3, 140–150 116.70 –0.5
19X-1, 39–49 118.69 –3.5
20X-1, 75–85 119.55 0.4
21X-3, 140–150 129.70 –0.8
307-U1316B-
1H-1, 140–150 1.40 –9.3
1H-3, 190–200 4.90 –14
2H-1, 140–150 6.90 –15.3
2H-3, 190–200 10.40 –15.5
3H-1, 140–150 16.40 –12.9
3H-3, 190–200 19.90 –14
4H-1, 140–150 25.90 –14.6
4H-3, 190–200 29.40 –14.3
5H-1, 140–150 35.40 –13.9
5H-3, 190–200 38.90 –13.5
6H-1, 140–150 44.90 –12.7
6H-3, 190–200 48.40 –11.6
307-U1316H-C-
5H-3, 135–150 82.35 –6.4
6H-3, 74–94 90.90 –8.2
7H-2, 130–150 100.00 –9
8H-2, 130–150 109.70 –6.6
307-U1317A-
1H-1, 140–150 1.40 –2.5
1H-3, 190–200 4.90 –3.1
2H-1, 140–150 7.90 –6.5
2H-3, 190–200 11.40 –4.4
3H-1, 140–150 17.40 –5.4
3H-3, 190–200 20.90 –6.1
4H-1, 140–150 26.90 –7.7
4H-4, 140–150 31.40 –6.7
5H-3, 190–200 39.90 –6.8
6H-1, 140–150 45.90 –8.2
6H-3, 190–200 49.40 –7.1
7H-1, 140–150 55.40 –6.1
7H-3, 190–200 58.90 –6.3
8H-1, 140–150 64.90 –7
8H-3, 190–200 68.40 –7.2
9H-1, 140–150 74.40 –7.5
9H-3, 190–200 77.90 –7.3
10H-3, 190–200 87.40 –8.1
11H-1, 140–150 93.40 –6
11H-3, 190–200 96.90 –7.8
12H-1, 140–150 102.90 –7.1
12H-3, 190–200 106.40 –8
13H-3, 190–200 115.90 –8.2
14H-1, 140–150 121.90 –8.7
14H-3, 190–200 125.40 –8.5
17X-1, 190–200 132.70 –5
307-U1317D-
3R-2, 185–200 129.95 –7.1
5R-1, 198–213 147.78 –6.2
6R-1, 185–200 152.25 –4.3
7R-2, 185–200 158.75 –5.6
7R-4, 135–150 161.75 –4.9
8R-2, 182–197 168.42 –1.7
8R-5, 91–115 172.48 –2.7
9R-1, 185–200 176.55 –0.7
10R-2, 124–145 187.54 –3.4
11R-2, 180–200 197.20 –1.1
12R-3, 180–200 207.80 –13.8
13R-5, 180–200 220.90 –1.5
14R-3, 180–200 227.50 –1.2
17R-4, 130–150 257.80 3.9
18R-3, 180–200 266.01 –18.3
307-U1317E-
1H-1, 140–150 1.40 –3.1
1H-3, 140–150 4.40 –5.5
2H-2, 140–150 9.60 –2.8
2H-5, 140–150 14.10 –2.1
3H-2, 140–150 19.10 –2.9
3H-5, 140–150 23.60 –5
4H-2, 140–150 28.60 –6.2
4H-5, 140–150 33.10 –4.8
307-U1318A-
1H-1, 140–150 1.40 –9.2
1H-3, 190–200 4.90 –14.7
2H-1, 140–150 10.60 –14.1
2H-3, 190–200 14.10 –16.9
3H-1, 140–150 20.10 –16.8
3H-3, 190–200 23.60 –16.7
4H-3, 140–150 31.45 –16
5H-3, 190–200 42.60 –16.5
6H-3, 140–150 51.60 –16.3
7H-3, 190–200 61.60 –14.2
8H-3, 140–150 70.57 –13.6
9H-3, 190–200 80.60 –9.4
10H-3, 140–150 89.60 –6.2
11H-3, 190–200 99.60 –3
12H-3, 140–150 108.60 –1.5
13H-3, 190–200 118.60 –0.6
14H-2, 140–150 126.10 –0.9
15H-2, 135–150 135.55 1.3
307-U1318B-
17X-3, 130–150 152.00 0.6
18X-3, 180–200 162.10 1.0
21X-5, 80–100 192.40 0.8
22X-4, 80–100 200.50 2.0
23X-3, 140–150 209.60 0.1
24X-4, 130–150 220.50 0.9
25X-2, 130–150 226.50 1.0
26X-2, 0–15 229.81 1.6
27X-1, 135–150 236.35 1.5

Note: DIC = dissolved inorganic carbon, VPDB = Vienna Peedee belemnite.

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