Table 13. Results of Rock-Eval pyrolysis analyses of sediments from Hole 1082A.
Core, section,
interval (cm)
Depth
(mbsf)
TOC
(wt%)
S1
S3
S3
Tmax
(°C)
HI
OI
175-1082A-
Subunit IA - Pleistocene nannofossil- and foraminifer-rich clay
1H-3, 46-47 3.46 5.67 2.82 26.41 6.96 412 465 122
4H-3, 46-47 30.06 3.24 0.97 13.24 4.13 412 408 127
5H-7, 30-31 45.00 3.45 1.12 16.21 4.74 413 469 137
6H-5, 65-66 52.05 12.33 3.15 47.14 7.34 409 382 59
6H-7, 60-61 54.80 10.70 13.44 71.79 10.51 401 670 98
7H-1, 9-10 55.39 4.86 1.82 22.60 6.68 411 465 137
7H-3, 23-24 58.53 5.45 3.39 28.12 7.16 400 515 131
7H-3, 104-105 59.34 5.89 2.16 32.28 7.49 414 548 127
7H-4, 23-24 60.03 6.89 2.61 37.37 8.03 410 542 116
7H-4, 89-90 60.69 16.08 10.49 89.76 12.83 408 558 79
7H-4, 103-104 60.83 12.05 5.47 70.07 12.07 411 581 100
7H-5, 69-70 61.99 9.61 4.63 50.21 11.70 407 522 121
7H-6, 45-46 63.25 3.55 1.77 18.37 7.60 410 517 214
11H-3, 46-47 96.76 5.44 2.07 29.09 7.41 404 534 136
Subunit IB - Pliocene-Pleistocene diatom-rich clay
14H-1, 46-47 122.26 2.62 0.53 9.48 5.70 415 361 217
14H-3, 46-47 125.26 3.02 0.83 9.91 4.98 407 328 164
14H-4, 140-141 127.70 4.94 1.66 27.08 6.11 409 548 123
14H-4, 149-150 127.79 5.83 4.03 34.58 6.61 398 593 113
14H-5, 10-11 127.90 5.90 1.29 16.44 4.95 408 278 83
14H-5, 20-21 128.00 5.43 2.21 25.61 6.11 402 471 112
14H-5, 30-31 128.10 5.60 1.24 24.92 6.68 413 445 119
14H-5, 40-41 128.20 2.91 0.69 12.14 5.42 414 417 186
15X-1, 46-47 129.06 2.98 0.79 13.57 4.86 413 455 163
25X-1, 46-47 225.66 6.64 2.41 34.98 6.49 403 526 97
31X-5, 46-47 288.02 3.33 0.84 13.31 4.95 409 399 148
37X-3, 46-47 333.15 4.36 2.12 20.67 4.91 399 474 112
Subunit IC - Pliocene nannofossil clay
46X-1, 46-47 418.16 3.76 0.76 16.35 5.16 415 434 137
47X-1, 46-47 427.76 1.91 0.39 6.46 3.70 413 338 193
47X-3, 46-47 430.76 3.54 0.73 14.56 3.95 413 411 111
50X-3, 46-47 459.22 2.25 0.48 7.46 3.20 415 331 142
Unit II - Miocene-Pliocene nannofossil ooze
54X-5, 46-47 500.04 2.16 0.45 5.66 3.58 420 262 165
56X-5, 46-47 519.39 1.41 0.32 3.79 2.80 415 268 198
57X-5, 46-47 529.49 1.79 0.42 6.80 2.67 415 379 149

Notes: TOC = total organic carbon; HI = hydrogen index; and OI = oxygen index. Units of the various Rock-Eval parameters are given in the "Organic Geochemistry" section of the "Explanatory Notes" chapter (this volume).