Table T1. Stable isotopic values of bulk samples from Holes 1257A, 1258A, 1259A, 1260A, 1261A, and 1261B.
Core, section,
interval
Depth
13CVPDB
()
18OVPDB
()
(mbsf) (mcd)
207-1257A-
17X-3, 8–8 143.74 149.21 1.47 –1.98
17X-3, 17–17 143.83 149.30 1.18 –1.70
17X-3, 30–30 143.96 149.43 1.10 –1.44
17X-3, 45–45 144.11 149.58 1.31 –1.86
17X-3, 60–60 144.26 149.73 1.18 –1.66
17X-3, 69–69 144.35 149.82 0.97 –1.35
17X-3, 86–86 144.52 149.99 1.43 –1.71
17X-3, 102–102 144.68 150.15 1.26 –1.46
18X-1, 45–50 150.75 156.55 1.20 –1.61
207-1258A-
28R-2, 69–70 257.09 279.54 1.61 –2.03
28R-3, 70–71 258.60 281.05 1.77 –1.94
28R-5, 70–71 261.60 284.05 1.68 –2.02
28R-6, 70–71 263.10 285.55 1.56 –2.11
29R-2, 70–71 266.80 289.25 1.49 –1.89
29R-5, 70–71 271.12 293.57 1.66 –2.38
29R-6, 70–71 272.62 295.07 1.46 –2.15
29R-7, 70–71 274.12 296.57 1.62 –2.06
30R-2, 70–71 276.40 298.77 1.60 –2.02
30R-3, 70–71 277.90 300.27 1.72 –2.12
31R-2, 70–71 286.10 308.84 1.29 –2.67
31R-3, 70–71 287.60 310.34 1.61 –2.32
31R-5, 70–71 290.60 313.34 1.52 –2.22
31R-6, 70–71 292.10 314.84 1.78 –2.45
31R-7, 70–71 293.60 316.34 1.11 –2.90
32R-2, 70–70.5 295.70 318.91 1.04 –2.46
32R-3, 70–70.5 297.20 320.41 1.50 –2.35
32R-5, 69–69.5 300.19 323.40 1.82 –2.27
32R-6, 69–69.5 301.69 324.90 1.13 –2.32
33R-2, 70–71 305.30 327.41 1.15 –2.80
33R-3, 70–71 306.80 328.91 1.67 –2.37
33R-5, 70–71 309.80 331.91 1.10 –2.23
33R-6, 70–71 311.30 333.41 0.96 –2.27
33R-7, 70–71 312.80 334.91 0.96 –2.48
34R-2, 70–71 315.00 339.89 1.21 –2.08
34R-3, 70–71 316.50 341.39 1.02 –2.42
40R-3, 70–71 318.00 342.89 1.02 –2.21
35R-2, 67–70 324.57 347.44 1.07 –2.33
35R-3, 70–71 326.10 348.97 0.93 –2.14
35R-4, 69–71 327.59 350.46 1.08 –2.04
35R-5, 71–72 329.11 351.98 0.50 –2.24
35R-6, 70–71 330.60 353.47 1.90 –1.81
40R-5, 70–71 332.11 354.98 0.71 –2.17
36R-2, 70–71 334.20 357.07 0.93 –2.10
36R-3, 70–71 335.70 358.57 1.51 –2.27
36R-5, 70–71 338.70 361.57 1.05 –2.46
37R-4, 69–70 346.89 369.76 1.84 –2.06
38R-1, 70–70 352.00 374.87 1.12 –2.14
38R-2, 70–70 353.50 376.37 1.51 –1.91
38R-3, 70–70 355.00 377.87 0.97 –2.21
38R-4, 70–70 356.50 379.37 1.58 –1.95
39R-2, 70–70 362.33 383.07 1.30 –2.19
39R-3, 70–70 363.83 384.57 1.10 –2.14
40R-2, 70–71 372.70 396.63 1.25 –2.28
207-1259A-
48R-1, 27–28 449.07 449.08 1.49 –1.82
48R-2, 104–105 451.34 451.35 1.58 –2.10
48R-3, 27–28 452.07 452.08 1.46 –1.96
48R-4, 27–28 453.57 453.58 1.40 –2.04
48R-5, 27–28 455.07 455.08 1.40 –2.25
48R-6, 27–28 456.57 456.58 1.43 –2.14
48R-6, 104–105 457.34 457.35 1.43 –2.39
49R-1, 31–32 458.71 459.57 1.35 –2.34
49R-2, 27–28 460.17 461.03 1.50 –2.44
49R-2, 104–105 460.94 461.80 1.35 –2.51
49R-3, 104–105 462.27 463.13 1.54 –2.43
49R-4, 27–28 463.00 463.86 1.31 –2.43
49R-5, 27–28 464.44 465.30 1.57 –2.33
49R-5, 104–105 465.21 466.07 1.42 –2.52
49R-6, 27–28 465.92 466.78 1.21 –2.41
49R-6, 104–105 466.69 467.55 1.34 –2.46
50R-1, 26–27 468.26 468.79 1.23 –2.36
50R-1, 103–105 469.03 469.56 1.15 –2.53
50R-2, 24–25 469.74 470.27 1.23 –2.21
50R-2, 100–101 470.50 471.03 1.30 –2.05
50R-3, 29–30 471.11 471.64 1.06 –2.29
50R-3, 105–106 471.87 472.40 1.17 –2.49
50R-4, 22–23 472.54 473.07 1.38 –2.37
50R-5, 39–40 474.08 474.61 1.38 –2.15
50R-5, 108–109 474.77 475.30 0.95 –2.24
50R-6, 33–34 475.51 476.04 0.88 –2.27
50R-7, 37–38 476.40 476.93 0.94 –2.14
50R-7, 99–100 477.02 477.55 0.63 –2.36
51R-1, 26–27 477.86 478.19 0.78 –2.39
51R-1, 102–104 478.62 478.95 1.35 –2.37
51R-2, 24–25 479.34 479.67 0.71 –2.51
51R-2, 104–105 480.14 480.47 0.74 –2.54
51R-3, 26–27 480.86 481.19 1.13 –2.26
51R-3, 104–105 481.64 481.97 1.39 –2.06
51R-4, 26–27 482.36 482.69 0.62 –2.40
51R-4, 103–105 483.13 483.46 1.11 –2.11
51R-5, 27–28 483.87 484.20 0.24 –2.63
51R-5, 103–104 484.63 484.96 0.76 –2.36
51R-6, 27–28 485.34 485.67 0.82 –2.32
51R-6, 103–104 486.10 486.43 0.69 –2.55
51R-7, 27–28 486.84 487.17 0.34 –1.47
2070-1260A-
37R-1, 27–28 336.67 336.92 0.90 –2.14
37R-2, 27–28 338.17 338.42 0.95 –2.13
37R-2, 104–105 338.94 339.19 0.99 –2.20
37R-3, 27–28 339.67 339.92 0.91 –2.51
37R-3, 104–105 340.44 340.69 1.41 –2.03
37R-4, 27–28 341.17 341.42 0.66 –2.36
37R-5, 104–105 343.44 343.69 1.38 –1.97
37R-6, 27–28 344.17 344.42 0.60 –2.52
37R-6, 69–70 344.59 344.84 0.95 –2.29
37R-7, 27–28 344.98 345.23 1.30 –2.09
37R-7, 104–105 345.75 346.00 1.21 –2.15
38R-1, 26–27 346.26 347.00 0.68 –2.47
38R-2, 103–104 348.53 349.27 1.29 –2.15
38R-3, 26–27 349.26 350.00 1.01 –2.45
38R-3, 102–103 350.02 350.76 0.56 –2.77
38R-4, 26–27 350.76 351.50 1.39 –2.15
38R-5, 26–27 352.26 353.00 1.41 –2.42
38R-5, 104–105 353.04 353.78 0.46 –2.82
38R-6, 26–27 353.76 354.50 0.40 –2.94
39R-1, 25–25 355.85 356.59 0.86 –2.82
39R-2, 26–26 357.36 358.10 1.50 –2.28
39R-2, 103–104 358.13 358.87 0.62 –2.89
39R-3, 26–26 358.86 359.60 0.98 –2.48
39R-3, 103–103 359.63 360.37 0.97 –2.67
39R-4, 26–26 360.36 361.10 1.07 –2.62
39R-5, 23–23 361.83 362.57 0.52 –2.74
39R-5, 103–103 362.63 363.37 1.43 –2.28
39R-6, 29–29 363.39 364.13 0.70 –2.56
39R-6, 104–104 364.14 364.88 0.48 –2.43
39R-7, 26–26 364.86 365.60 0.41 –2.58
40R-1, 26–27 365.56 368.22 1.50 –2.34
40R-2, 26–27 367.06 369.72 0.25 –2.63
40R-2, 103–104 367.83 370.49 1.26 –2.12
40R-3, 26–27 368.56 371.22 0.46 –2.34
40R-3, 103–104 369.33 371.99 0.91 –2.06
40R-4, 26–27 370.06 372.72 0.94 –1.90
40R-5, 26–27 371.56 374.22 1.26 –2.12
40R-5, 103–104 372.33 374.99 1.01 –2.08
40R-6, 26–27 373.06 375.72 0.35 –2.30
40R-7, 26–27.5 374.06 376.72 0.75 –2.52
41R-1, 27–28 375.17 377.83 0.87 –1.90
41R-2, 27–28 376.67 379.33 0.67 –2.20
41R-2, 104–105 377.44 380.10 0.54 –2.35
41R-3, 27–28 378.17 380.83 1.25 –2.01
41R-3, 104–105 378.94 381.60 1.00 –2.19
41R-4, 27–28 379.67 382.33 1.75 –2.17
41R-5, 27–28 381.17 383.83 0.81 –2.34
41R-5, 104–105 381.94 384.60 1.16 –2.17
41R-6, 27–28 382.67 385.33 1.28 –1.90
42R-1, 104–105 385.54 388.66 1.32 –2.32
42R-2, 27–28 386.27 389.39 1.35 –2.09
42R-2, 104–105 387.04 390.16 1.11 –2.27
42R-3, 27–28 387.77 390.89 1.12 –2.22
42R-3, 104–105 388.54 391.66 0.70 –2.54
207-1261A-
40R-3, 27–28 557.43 557.43 0.67 –2.33
40R-4, 27–28 558.93 558.93 1.52 –1.98
40R-5, 104–105 561.20 561.20 0.81 –2.20
207-1261B-
2R-1, 30–30 530.30 534.90 0.78 –2.39
2R-1, 105–105 531.05 535.65 0.56 –2.83
2R-2, 30–30 531.80 536.40 0.87 –2.69
2R-2, 105–105 532.55 537.15 0.98 –2.49
2R-3, 30–30 533.30 537.90 0.70 –2.89
2R-3, 105–105 534.05 538.65 1.09 –2.43
3R-1, 30–30 539.90 541.38 1.04 –2.67
3R-1, 110–110 540.70 542.18 1.08 –2.58
3R-2, 30–30 541.40 542.88 1.33 –2.28
3R-2, 110–110 542.20 543.68 1.02 –2.70
3R-3, 30–30 542.90 544.38 1.01 –2.67
3R-3, 110–110 543.70 545.18 1.19 –2.56
3R-4, 30–30 544.40 545.88 0.67 –2.57
3R-4, 110–110 545.20 546.68 1.38 –2.32
3R-5, 30–30 545.90 547.38 0.98 –2.77
3R-5, 90–90 546.50 547.98 1.26 –2.46
3R-6, 30–30 546.90 548.38 0.46 –2.97
4R-1, 105–105 550.25 551.29 1.30 –2.62
4R-2, 105–105 551.75 552.79 1.09 –2.93
4R-4, 30–30 554.00 555.04 0.60 –2.90
4R-4, 105–105 554.75 555.79 1.43 –2.63
4R-5, 30–30 555.50 556.54 1.07 –2.51
4R-5, 100–100 556.20 557.24 0.03 –2.76

Notes: Isotopic values are reported in -notation relative to the Vienna Peedee belemnite (VPDB) standard. External precision is <0.03 for 13C and <0.06 for 18O (1).