Table T1. Stable isotope data from benthic foraminifers, Sites 1220 and 1221.
Core, section, interval (cm)
Depth (mbsf)
Age (Ma)
Nuttalides truempyi
()
Cibicidoides spp.
()
Bulk CaCO3
()
13C
18O
13C
18O
13C
18O
199-1220B-









20X-1, 15–17 197.55 54.5000 0.67 –0.42
0.50 –0.23


20X-1, 20–22 197.60 54.5200 0.71 –0.46
0.32 –0.23
1.46 –1.43
20X-1, 25–27 197.65 54.5401


0.41 –0.28
1.44 –1.43
20X-1, 30–32 197.70 54.5601 0.57 –0.50
0.15 –0.42
1.47 –1.34
20X-1, 35–37 197.75 54.5802 0.62 –0.58
0.32 –0.06
1.33 –1.36
20X-1, 40–42 197.80 54.6002 0.64 –0.49
0.21 –0.29
1.53 –1.36
20X-1, 45–47 197.85 54.6203 0.57 –0.62
0.26 –0.26
1.30 –1.43
20X-1, 50–52 197.90 54.6403 0.73 –0.48
0.21 –0.29
1.40 –1.55
20X-1, 55–57 197.95 54.6603 0.69 –0.50
0.26 –0.18
1.44 –1.44
20X-1, 60–62 198.00 54.6804 0.77 –0.49
0.45 –0.28
1.46 –1.43
20X-1, 65–67 198.05 54.7004 0.72 –0.52
0.39 –0.15
1.51 –1.40
20X-1, 70–72 198.10 54.7205 0.70 –0.53
0.32 –0.30
1.32 –1.57
20X-1, 75–77 198.15 54.7405 0.76 –0.39
0.52 –0.22
1.38 –1.31
20X-1, 80–82 198.20 54.7606 0.66 –0.45
0.40 –0.24
1.47 –1.35
20X-1, 85–87 198.25 54.7806 0.68 –0.45
0.22 –0.17
1.50 –1.34
20X-1, 90–92 198.30 54.8007 0.60 –0.58
0.49 –0.32
1.45 –1.14
20X-1, 95–97 198.35 54.8207 0.64 –0.48
0.39 –0.25
1.44 –1.30
20X-1, 100–102 198.40 54.8407 0.71 –0.42
0.22 –0.19
1.56 –1.15
20X-1, 105–107 198.45 54.8608 0.71 –0.40
-0.05 –0.16
1.43 –1.22
20X-1, 110–112 198.50 54.8808 0.70 –0.47
0.00 –0.13
1.42 –0.94
20X-1, 115–117 198.55 54.9009 0.75 –0.25
0.15 –0.07


20X-1, 120–122 198.60 54.9209 0.65 –0.48
0.58 –0.39
1.43 –1.20
20X-1, 125–127 198.65 54.9410 0.71 –0.30
0.51 –0.31


20X-1, 130–132 198.70 54.9610 0.68 –0.28
0.58 –0.24


20X-1, 135–137 198.75 54.9811 0.56 –0.31
0.37 –0.36


20X-1, 140–142 198.80 55.0011 0.62 –0.33
0.34 –0.30


20X-1, 145–147 198.85 55.0211 0.45 –0.31
0.34 –0.26


20X-1, 146–148 198.86 55.0252 0.50 –0.40
0.51 –0.28


20X-2, 0–1 198.90 55.0412





1.26 –0.60
20X-2, 5–7 198.95 55.0612 0.37 –0.35
0.33 –0.30
1.21 –0.65
20X-2, 10–12 199.00 55.0813 0.12 –0.60
-0.14 –0.51
1.13 –0.54
20X-2, 15–17 199.05 55.1013 -0.27 –0.66
-0.25 –0.54
1.07 –0.34
20X-2, 20–22 199.10 55.1214 0.24 –0.59
-0.34 –0.60
0.66 –0.06
20X-2, 25–27 199.15 55.1414 -0.65 –0.99
-0.46 –0.73
0.70 0.29
20X-2, 30–32 199.20 55.1615 -0.58 –1.02
-0.64 –0.94
0.64 0.22
20X-2, 35–37 199.25 55.1815 -0.70 –1.03
-0.84 –1.12
0.62 0.70
20X-2, 40–42 199.30 55.1863 -0.57 –0.98
-0.71 –0.91
0.54 0.59
20X-2, 45–47 199.35 55.1910 -1.42 –1.04
-0.08 –0.92
0.48 –0.30
20X-2, 50–52 199.40 55.1958


-0.58 –0.88
1.93 3.45
20X-2, 55–52 199.45 55.2006





2.03 4.02
20X-2, 60–62 199.50 55.2054





1.98 3.67
20X-2, 65–67 199.55 55.2101





1.36 3.35
20X-2, 70–72 199.60 55.2149





1.61 3.48
20X-2, 75–77 199.65 55.2197





1.58 2.99
20X-2, 80–82 199.70 55.2245 0.64 –0.38
0.64 –0.26
1.03 –0.06
20X-2, 85–87 199.75 55.2292 0.51 –0.34
0.56 –0.28
1.09 0.00
20X-2, 90–92 199.80 55.2340 0.79 –0.32
1.16 –0.31
1.14 –0.04
20X-2, 95–97 199.85 55.2388





1.27 0.03
20X-CC, 0–2 199.85 55.2388 0.62 –0.28
0.82 –0.19


20X-CC, 8–10 199.93 55.2464 0.81 –0.19
0.55 –0.01


199-1221C-









11X-2, 3–5 151.93 54.4911 0.81 –0.14
0.81 –0.11


11X-2, 23–25 152.13 54.5605 0.83 –0.05
0.79 0.16


11X-2, 33–35 152.23 54.5952


0.72 0.03


11X-2, 43–45 152.33 54.6299 0.71 –0.19
0.69 –0.11


11X-2, 53–55 152.43 54.6646 0.53 –0.30
0.43 –0.06


11X-2, 62–64 152.52 54.6958 0.71 –0.29
0.52 –0.07


11X-2, 73–75 152.63 54.7340 0.89 –0.24
0.87 –0.25


11X-2, 83–85 152.72 54.7652 0.79 –0.37
0.60 –0.18


11X-2, 93–95 152.83 54.8034 0.78 –0.38
0.57 –0.28


11X-2, 103–105 152.93 54.8380 0.98 –0.28
0.22 –0.08


11X-2, 113–115 153.03 54.8727 0.87 –0.27





11X-2, 124–126 153.14 54.9109 0.78 –0.39
0.70 –0.29


11X-2, 133–135 153.23 54.9421 0.75 –0.30
0.64 –0.32


11X-2, 144–146 153.34 54.9803 0.78 –0.19
0.67 –0.21


11X-3, 0–3 153.40 55.0011





1.50 –1.52
11X-3, 4–6 153.44 55.0150 0.86 –0.08





11X-3, 5–8 153.45 55.0184 1.31 0.07
0.80 0.11
1.59 –1.69
11X-3, 9–12 153.49 55.0323 1.18 0.08
1.00 0.16


11X-3, 10–13 153.50 55.0358 0.76 0.26
0.74 0.16
1.59 –1.46
11X-3, 10–12 153.50 55.0358





1.54 –1.52
11X-3, 15–18 153.55 55.0531 0.68 0.24
0.56 0.16
1.51 –1.35
11X-3, 15–17 153.55 55.0531 0.67 –0.24
0.75 –0.22
1.45 –1.18
11X-3, 16–19 153.56 55.0566 1.42 0.12
0.99 0.24


11X-3, 20–22 153.60 55.0705





1.40 –1.69
11X-3, 24–26 153.64 55.0844 0.62 –0.36
0.33 –0.36


11X-3, 25–28 153.65 55.0878 0.69 0.19
0.51 0.24
1.35 –1.43
11X-3, 30–33 153.70 55.1052 0.74 0.20
0.49 0.22
1.28 –1.55
11X-3, 34–36 153.74 55.1191 0.61 –0.20
0.54 –0.23


11X-3, 35–38 153.75 55.1225 0.60 0.18
0.41 0.17
1.22 –1.49
11X-3, 40–42 153.80 55.1399





1.22 –1.41
11X-3, 44–46 153.84 55.1537 0.44 –0.33
0.31 –0.33


11X-3, 45–48 153.85 55.1572 0.28 0.32
0.27 0.28
1.10 –1.54
11X-3, 50–52 153.90 55.1746


0.01 0.37
1.04 –1.80
11X-3, 52–54 153.92 55.1815 0.07 0.40
0.10 0.36


11X-3, 54–56 153.94 55.1843 0.18 0.52
0.25 0.52


11X-3, 56–58 153.96 55.1870 0.30 0.72
0.17 0.51


11X-3, 58–60 153.98 55.1898 0.47 0.88
0.16 0.45


11X-3, 60–62 154.00 55.1926 0.14 0.50
0.26 0.65
1.06 –1.73
11X-3, 62–64 154.02 55.1953 0.24 0.48





11X-3, 70–72 154.10 55.2064 0.58 0.11
0.04 0.12
1.08 –1.83
11X-3, 88–90 154.28 55.2312 1.06 0.06





11X-3, 90–92 154.30 55.2340 1.05 0.03
0.84 0.26
1.94 –1.07
11X-3, 92–94 154.32 55.2368 1.00 0.15
0.74 0.07


11X-3, 94–96 154.34 55.2395 0.98 0.13
0.81 –0.06


11X-3, 90–92 154.35 55.2409





1.75 –1.14
11X-3, 96–98 154.36 55.2423 0.98 0.04
0.91 0.19


11X-3, 98–100 154.38 55.2451 0.89 0.02
0.89 0.11


11X-3, 100–102 154.40 55.2478





1.54 –1.64
11X-3, 105–108 154.45 55.2547 1.07 0.09
0.88 0.17
1.63 –1.37
11X-3, 110–113 154.50 55.2616


0.94 0.03
2.24 –1.09
11X-3, 115–118 154.55 55.2685 1.19 0.02
1.03 0.10
2.20 –1.17
11X-3, 120–123 154.60 55.2754 1.20 0.06
0.83 0.06
2.11 –1.07
11X-3, 125–128 154.65 55.2824 1.27 0.03
0.91 0.12
2.32 –1.35
11X-3, 130–133 154.70 55.2893 1.20 0.01
1.03 0.06
2.15 –0.97
11X-3, 135–138 154.75 55.2962 1.28 0.04
0.70 0.18
2.27 –1.23
11X-3, 140–142 154.80 55.3031 1.12 0.01
0.35 0.12
2.27 –1.17