Table T17. Rock-Eval pyrolysis analyses of sediment samples, Site 1260.
Hole, core, section,
interval (cm)
Depth
(mbsf)
TOC
(wt%)
Tmax
(°C)
S1
S2
S3
HI
OI
207-







Unit IV (laminated black shale):





1260A-43R-1, 62–63 394.72 5.82 400 3.56 37.26 4.52 640 77
1260A-43R-2, 95–96 396.33 9.21 394 6.20 46.67 9.59 506 104
1260B-33R-2, 56–57 402.76 9.98 394 7.91 59.94
600
1260A-44R-3, 32–33 407.02 10.66 404 4.94 65.99 9.41 619 88
1260A-44R-4, 88–89 408.38 8.23 392 6.21 47.80 10.43 580 126
1260A-45R-1, 107–108 409.77 1.80 378 1.58 11.55 1.59 641 88
1260A-45R-2, 10–11 410.30 7.62 393 4.78 46.29 7.64 607 102
1260B-34R-5, 25–26 411.95 10.25 398 7.79 57.98
565
1260A-46R-1, 38–39 414.68 11.24 387 10.44 63.93 12.36 568 110
1260A-46R-3, 118–119 418.12 12.89 393 6.66 70.33 7.02 545 54
1260A-46R-4, 66–67 418.94 12.46 395 7.86 67.49 9.91 541 79
1260B-35R-5, 16–16 421.41 13.15 405 7.79 81.28
618
1260A-46R-6, 43–44 421.50 10.99 396 5.43 66.73 9.11 607 82
1260B-36R-1, 61–62 425.51 8.22 404 4.54 47.22
574
1260B-36R-6, 14–15 432.54 10.08 402 7.31 65.05
645
1260A-48R-1, 2–3 433.52 10.75 402 5.16 69.09 10.30 642 95
1260A-48R-3, 111–112 437.51 8.98 396 4.83 53.50 8.63 595 96
1260A-48R-6, 99–100 441.67 11.68 401 5.12 74.52 8.67 636 74
1260A-49R-2, 39–40 444.92 8.41 400 2.71 55.36 8.82 658 104
1260A-49R-5, 82–83 449.77 2.55 394 0.90 15.58 3.65 610 143
1260B-38R-CC, 4–5 452.33 11.04 400 6.48 68.38
619
1260A-50R-1, 43–44 453.13 10.58 400 6.23 69.06 6.34 652 59
1260A-50R-4, 68–69 457.88 1.62 409 0.56 8.75 2.51 540 154
1260A-50R-7, 29–30 461.49 5.56 402 3.05 40.16 6.68 722 120
1260B-39R-7, 7–8 462.77 55.90 375 16.84 172.96
309
1260A-51R-4, 12–13 466.60 7.40 401 2.81 42.67 4.69 644 63
1260A-51R-5, 4–5 468.02 2.17 391 0.57 7.44 4.86 342 223
1260B-40R-CC, 15–16 470.90 4.58 414 1.87 22.19
484
1260A-52R-2, 29–30 473.39 1.91 385 0.30 2.11 4.86 110 254
1260A-52R-4, 50–51 476.58 9.08 394 5.04 61.19 10.03 673 110
1260B-41R-4, 18–19 477.38 8.95 403 4.38 58.61
654
1260A-53R-1, 145–146 482.75 1.46 406 0.38 7.32 1.67 501 114
Unit V (silty calcareous claystone):





1260A-53R-2, 66–67 483.46 0.45 404 0.05 0.33 0.80 73 177
1260A-54R-2, 70–71 490.10 0.46 404 0.01 0.32 0.54 69 117
1260B-45R-1, 80–81 497.30 0.61 409 0.01 0.02
3
1260B-46R-4, 60–61 506.60 0.66 413 0.03 0.43
65

Note: TOC = total organic carbon. HI = milligrams of hydrocarbon-like material released by pyrolysis (S2) per gram of organic carbon, OI = milligrams of CO2 (S3) per gram of organic carbon. See "Organic Geochemistry" in the "Explanatory Notes" chapter for definitions of Tmax, S1, S2, and S3.