Table T3. Fine fraction bulk isotope analyses, Site 1218.

Core, section, interval (cm)*	Depth		Age (Ma)	¹⁸O ()	¹³C ()
(mbsf)	(mcd)	(rmcd)		CK1995	Calibrated
199-1218B-
15H, 2, 5	128.95	146.77	146.77		27.651	27.100	0.39	1.83
15H, 2, 5	129.05	146.87	146.87		27.657	27.105	–0.08	1.68
15H, 2, 25	129.15	146.97	146.97		27.664	27.110	–0.13	1.78
15H, 2, 35	129.25	147.07	147.07		27.671	27.115	–0.09	1.75
15H, 2, 45	129.35	147.17	147.17		27.677	27.121	0.08	1.88
15H, 2, 55	129.45	147.27	147.27		27.684	27.126	0.12	1.94
15H, 2, 65	129.55	147.37	147.37		27.690	27.131	0.07	1.92
15H, 2, 75	129.65	147.47	147.47		27.697	27.136	0.01	1.88
15H, 2, 85	129.75	147.57	147.57		27.704	27.144	–0.05	1.90
15H, 2, 95	129.85	147.67	147.67		27.710	27.152	–0.10	1.71
15H, 2, 105	129.95	147.77	147.77		27.717	27.160	–0.18	1.63
15H, 2, 115	130.05	147.87	147.87		27.724	27.167	–0.24	1.61
15H, 2, 125	130.15	147.97	147.97		27.730	27.175	–0.28	1.57
15H, 2, 135	130.25	148.07	148.07		27.737	27.183	–0.34	1.57
15H, 2, 145	130.35	148.17	148.17		27.743	27.191	–0.03	1.74
15H, 3, 1	130.41	148.23	148.23		27.747	27.195	–0.12	1.73
15H, 3, 5	130.45	148.27	148.27		27.750	27.198	–0.06	1.76
15H, 3, 20	130.60	148.42	148.42		27.760	27.210	–0.02	1.78
15H, 3, 25	130.65	148.47	148.47		27.763	27.214	–0.01	1.77
15H, 3, 35	130.75	148.57	148.57		27.770	27.220	–0.09	1.88
15H, 3, 45	130.85	148.67	148.67		27.776	27.225	0.02	1.86
15H, 3, 55	130.95	148.77	148.77		27.783	27.231	–0.02	1.78
15H, 3, 75	131.15	148.97	148.97		27.796	27.242	–0.18	1.56
15H, 3, 85	131.25	149.07	149.07		27.803	27.249	–0.03	1.72
15H, 3, 95	131.35	149.17	149.17		27.809	27.255	–0.17	1.71
15H, 3, 105	131.45	149.27	149.27		27.816	27.262	–0.21	1.75
15H, 3, 115	131.55	149.37	149.37		27.823	27.269	–0.09	1.66
15H, 3, 125	131.65	149.47	149.47		27.829	27.276	–0.11	1.67
15H, 3, 135	131.75	149.57	149.57		27.836	27.282	–0.17	1.72
15H, 3, 145	131.85	149.67	149.67		27.842	27.289	–0.06	1.83
15H, 4, 5	131.95	149.77	149.77		27.849	27.296	0.06	1.83
15H, 4, 15	132.05	149.87	149.87		27.856	27.302	0.15	1.83
15H, 4, 25	132.15	149.97	149.97		27.862	27.309	0.14	1.80
15H, 4, 35	132.25	150.07	150.07		27.869	27.316	0.27	1.80
15H, 4, 45	132.35	150.17	150.17		27.876	27.323	0.06	1.75
15H, 4, 55	132.45	150.27	150.28		27.883	27.330	–0.09	1.74
15H, 4, 65	132.55	150.37	150.39		27.890	27.337	–0.17	1.77
15H, 4, 75	132.65	150.47	150.49		27.897	27.344	–0.14	1.77
15H, 4, 85	132.75	150.57	150.60		27.904	27.351	–0.19	1.53
15H, 4, 95	132.85	150.67	150.70		27.911	27.358	–0.28	1.43
15H, 4, 105	132.95	150.77	150.81		27.918	27.365	–0.25	1.50
15H, 4, 115	133.05	150.87	150.92		27.925	27.373	–0.21	1.48
15H, 4, 125	133.15	150.97	151.02		27.932	27.380	–0.35	1.50
15H, 4, 135	133.25	151.07	151.13		27.939	27.387	–0.31	1.48
15H, 4, 145	133.35	151.17	151.23		27.946	27.394	–0.23	1.53
15H, 5, 5	133.45	151.27	151.34		27.953	27.402	–0.12	1.85
15H, 5, 15	133.55	151.37	151.45		27.960	27.412	0.02	1.85
15H, 5, 25	133.65	151.47	151.55		27.967	27.421	0.04	1.83
15H, 5, 35	133.75	151.57	151.66		27.973	27.430	0.09	1.79
15H, 5, 45	133.85	151.67	151.76		27.979	27.439	0.10	1.72
15H, 5, 55	133.95	151.77	151.87		27.984	27.448	–0.10	1.51
15H, 5, 65	134.05	151.87	151.98		27.989	27.458	–0.23	1.54
15H, 5, 75	134.15	151.97	152.08		27.995	27.463	–0.36	1.54
15H, 5, 85	134.25	152.07	152.19		28.000	27.468	–0.45	1.51
15H, 5, 95	134.35	152.17	152.29		28.005	27.473	–0.53	1.44
15H, 5, 105	134.45	152.27	152.40		28.011	27.478	–0.48	1.48
15H, 5, 115	134.55	152.37	152.51		28.016	27.483	–0.52	1.38
15H, 5, 125	134.65	152.47	152.61		28.021	27.488	–0.49	1.49
15H, 5, 135	134.75	152.57	152.72		28.026	27.493	–0.49	1.33
15H, 5, 145	134.85	152.67	152.83		28.032	27.498	–0.33	1.58
15H, 6, 5	134.95	152.77	152.93		28.037	27.503	–0.20	1.71
15H, 6, 15	135.05	152.87	153.04		28.042	27.508	–0.38	1.59
15H, 6, 25	135.15	152.97	153.14		28.048	27.513	–0.31	1.44
15H, 6, 35	135.25	153.07	153.25		28.053	27.526	–0.31	1.40
15H, 6, 45	135.35	153.17	153.36		28.058	27.526	–0.28	1.45
15H, 6, 55	135.45	153.27	153.46		28.064	27.534	–0.42	1.41
15H, 6, 60	135.50	153.32	153.51		28.066	27.542	–0.50	1.51
15H, 6, 65	135.55	153.37	153.57		28.069	27.542	–0.56	1.48
15H, 6, 75	135.65	153.47	153.66		28.074	27.550	–0.52	1.48
15H, 6, 85	135.75	153.57	153.75		28.078	27.556	–0.28	1.42
15H, 6, 95	135.85	153.67	153.84		28.083	27.563	–0.45	1.45
15H, 6, 105	135.95	153.77	153.93		28.087	27.570	–0.41	1.48
15H, 6, 115	136.05	153.87	154.02		28.092	27.576	–0.30	1.64
15H, 6, 125	136.15	153.97	154.11		28.096	27.583	–0.22	1.54
15H, 6, 135	136.25	154.07	154.20		28.101	27.590	–0.23	1.59
199-1218C-
9H, 5, 95	137.95	153.85	153.69		28.075	27.551	–0.41	1.35
9H, 5, 105	138.05	153.95	153.78		28.080	27.559	–0.40	1.43
9H, 5, 116	138.16	154.06	153.89		28.085	27.566	–0.36	1.49
9H, 5, 125	138.25	154.15	153.98		28.089	27.573	–0.30	1.59
9H, 5, 137	138.37	154.27	154.08		28.095	27.581	–0.18	1.63
9H, 5, 145	138.45	154.35	154.17		28.099	27.587	–0.13	1.62
9H, 6, 5	138.55	154.45	154.26		28.104	27.594	–0.10	1.56

Table T3. Fine fraction bulk isotope analyses, Site 1218.

Core, section,
interval (cm)*

Depth

Age (Ma)

¹⁸O
()

¹³C
()

(mbsf)

(mcd)

(rmcd)

CK1995

Calibrated

199-1218B-

15H, 2, 5 128.95
146.77
146.77
27.651 27.100 0.39 1.83

15H, 2, 5 129.05
146.87
146.87
27.657 27.105 –0.08 1.68

15H, 2, 25 129.15
146.97
146.97
27.664 27.110 –0.13 1.78

15H, 2, 35 129.25
147.07
147.07
27.671 27.115 –0.09 1.75

15H, 2, 45 129.35
147.17
147.17
27.677 27.121 0.08 1.88

15H, 2, 55 129.45
147.27
147.27
27.684 27.126 0.12 1.94

15H, 2, 65 129.55
147.37
147.37
27.690 27.131 0.07 1.92

15H, 2, 75 129.65
147.47
147.47
27.697 27.136 0.01 1.88

15H, 2, 85 129.75
147.57
147.57
27.704 27.144 –0.05 1.90

15H, 2, 95 129.85
147.67
147.67
27.710 27.152 –0.10 1.71

15H, 2, 105 129.95
147.77
147.77
27.717 27.160 –0.18 1.63

15H, 2, 115 130.05
147.87
147.87
27.724 27.167 –0.24 1.61

15H, 2, 125 130.15
147.97
147.97
27.730 27.175 –0.28 1.57

15H, 2, 135 130.25
148.07
148.07
27.737 27.183 –0.34 1.57

15H, 2, 145 130.35
148.17
148.17
27.743 27.191 –0.03 1.74

15H, 3, 1 130.41
148.23
148.23
27.747 27.195 –0.12 1.73

15H, 3, 5 130.45
148.27
148.27
27.750 27.198 –0.06 1.76

15H, 3, 20 130.60
148.42
148.42
27.760 27.210 –0.02 1.78

15H, 3, 25 130.65
148.47
148.47
27.763 27.214 –0.01 1.77

15H, 3, 35 130.75
148.57
148.57
27.770 27.220 –0.09 1.88

15H, 3, 45 130.85
148.67
148.67
27.776 27.225 0.02 1.86

15H, 3, 55 130.95
148.77
148.77
27.783 27.231 –0.02 1.78

15H, 3, 75 131.15
148.97
148.97
27.796 27.242 –0.18 1.56

15H, 3, 85 131.25
149.07
149.07
27.803 27.249 –0.03 1.72

15H, 3, 95 131.35
149.17
149.17
27.809 27.255 –0.17 1.71

15H, 3, 105 131.45
149.27
149.27
27.816 27.262 –0.21 1.75

15H, 3, 115 131.55
149.37
149.37
27.823 27.269 –0.09 1.66

15H, 3, 125 131.65
149.47
149.47
27.829 27.276 –0.11 1.67

15H, 3, 135 131.75
149.57
149.57
27.836 27.282 –0.17 1.72

15H, 3, 145 131.85
149.67
149.67
27.842 27.289 –0.06 1.83

15H, 4, 5 131.95
149.77
149.77
27.849 27.296 0.06 1.83

15H, 4, 15 132.05
149.87
149.87
27.856 27.302 0.15 1.83

15H, 4, 25 132.15
149.97
149.97
27.862 27.309 0.14 1.80

15H, 4, 35 132.25
150.07
150.07
27.869 27.316 0.27 1.80

15H, 4, 45 132.35
150.17
150.17
27.876 27.323 0.06 1.75

15H, 4, 55 132.45
150.27
150.28
27.883 27.330 –0.09 1.74

15H, 4, 65 132.55
150.37
150.39
27.890 27.337 –0.17 1.77

15H, 4, 75 132.65
150.47
150.49
27.897 27.344 –0.14 1.77

15H, 4, 85 132.75
150.57
150.60
27.904 27.351 –0.19 1.53

15H, 4, 95 132.85
150.67
150.70
27.911 27.358 –0.28 1.43

15H, 4, 105 132.95
150.77
150.81
27.918 27.365 –0.25 1.50

15H, 4, 115 133.05
150.87
150.92
27.925 27.373 –0.21 1.48

15H, 4, 125 133.15
150.97
151.02
27.932 27.380 –0.35 1.50

15H, 4, 135 133.25
151.07
151.13
27.939 27.387 –0.31 1.48

15H, 4, 145 133.35
151.17
151.23
27.946 27.394 –0.23 1.53

15H, 5, 5 133.45
151.27
151.34
27.953 27.402 –0.12 1.85

15H, 5, 15 133.55
151.37
151.45
27.960 27.412 0.02 1.85

15H, 5, 25 133.65
151.47
151.55
27.967 27.421 0.04 1.83

15H, 5, 35 133.75
151.57
151.66
27.973 27.430 0.09 1.79

15H, 5, 45 133.85
151.67
151.76
27.979 27.439 0.10 1.72

15H, 5, 55 133.95
151.77
151.87
27.984 27.448 –0.10 1.51

15H, 5, 65 134.05
151.87
151.98
27.989 27.458 –0.23 1.54

15H, 5, 75 134.15
151.97
152.08
27.995 27.463 –0.36 1.54

15H, 5, 85 134.25
152.07
152.19
28.000 27.468 –0.45 1.51

15H, 5, 95 134.35
152.17
152.29
28.005 27.473 –0.53 1.44

15H, 5, 105 134.45
152.27
152.40
28.011 27.478 –0.48 1.48

15H, 5, 115 134.55
152.37
152.51
28.016 27.483 –0.52 1.38

15H, 5, 125 134.65
152.47
152.61
28.021 27.488 –0.49 1.49

15H, 5, 135 134.75
152.57
152.72
28.026 27.493 –0.49 1.33

15H, 5, 145 134.85
152.67
152.83
28.032 27.498 –0.33 1.58

15H, 6, 5 134.95
152.77
152.93
28.037 27.503 –0.20 1.71

15H, 6, 15 135.05
152.87
153.04
28.042 27.508 –0.38 1.59

15H, 6, 25 135.15
152.97
153.14
28.048 27.513 –0.31 1.44

15H, 6, 35 135.25
153.07
153.25
28.053 27.526 –0.31 1.40

15H, 6, 45 135.35
153.17
153.36
28.058 27.526 –0.28 1.45

15H, 6, 55 135.45
153.27
153.46
28.064 27.534 –0.42 1.41

15H, 6, 60 135.50
153.32
153.51
28.066 27.542 –0.50 1.51

15H, 6, 65 135.55
153.37
153.57
28.069 27.542 –0.56 1.48

15H, 6, 75 135.65
153.47
153.66
28.074 27.550 –0.52 1.48

15H, 6, 85 135.75
153.57
153.75
28.078 27.556 –0.28 1.42

15H, 6, 95 135.85
153.67
153.84
28.083 27.563 –0.45 1.45

15H, 6, 105 135.95
153.77
153.93
28.087 27.570 –0.41 1.48

15H, 6, 115 136.05
153.87
154.02
28.092 27.576 –0.30 1.64

15H, 6, 125 136.15
153.97
154.11
28.096 27.583 –0.22 1.54

15H, 6, 135 136.25
154.07
154.20
28.101 27.590 –0.23 1.59

199-1218C-

9H, 5, 95 137.95
153.85
153.69
28.075 27.551 –0.41 1.35

9H, 5, 105 138.05
153.95
153.78
28.080 27.559 –0.40 1.43

9H, 5, 116 138.16
154.06
153.89
28.085 27.566 –0.36 1.49

9H, 5, 125 138.25
154.15
153.98
28.089 27.573 –0.30 1.59

9H, 5, 137 138.37
154.27
154.08
28.095 27.581 –0.18 1.63

9H, 5, 145 138.45
154.35
154.17
28.099 27.587 –0.13 1.62

9H, 6, 5 138.55
154.45
154.26
28.104 27.594 –0.10 1.56

Notes: * = top. CK1995 = Cande and Kent, 1995.