"Table 9. Rock-Eval analyses of sediments from Sites 991, 992, and 993." "Core, section, interval (cm)" Depth (mbsf) Tmax S1 S2 S3 PI HI OI 164-991A- "1H-1, 5-6" 0.05 424 0.8 2.19 3.56 0.27 197 320 "3H-3, 29-30" 21.89 416 0.73 2.71 2.96 0.21 200 219 "3H-6, 86-87" 26.96 421 0.73 3.02 2.16 0.2 200 143 "6H-1, 40-41" 47.64 427 0.36 2.46 1.26 0.13 201 103 "6H-4, 23-24" 51.83 435 0.67 7.52 1.12 0.08 427 63 "6H-7, 48-49" 56.58 429 0.55 6.93 1.91 0.07 277 76 164-992A- "3H-6, 90-91" 20.7 416 1.01 7.8 2.33 0.11 301 89 "4H-2, 60-61" 23.9 428 0.4 5.17 1.99 0.07 250 96 "4H-5, 60-61" 28.4 420 0.4 5.05 2.34 0.07 235 109 "5H-4, 70-71" 36.5 415 0.96 5.51 2.22 0.15 244 98 "6H-6, 70-71" 49 420 0.94 8.77 2.38 0.1 338 91 164-993A- "2X-1, 10-11" 2 424 0.2 1.94 2.12 0.09 137 150 "3X-7, 26-27" 23.06 427 0.29 3.12 2.26 0.09 175 126 "5X-6, 21-22" 40.31 429 0.36 4.49 2.21 0.07 214 105 "6X-1, 70-71" 42.9 430 0.43 4.81 2.04 0.08 255 108 "6X-2, 70-71" 44.4 420 0.58 3.73 2.12 0.13 210 119 "Notes: Tmax = temperature (degree C) at which the maximum amount of hydrocarbons are generated from the kerogen during pyrolysis; S1 = quantity of free hydrocarbons in the rock samples, in mg/g rock; " "S2 = quantity of hydrocarbons produced by kerogen cracking, in mg/g rock; S3 = quantity of organic CO2 produced during pyrolysis of the rock, in mg/g rock; PI = production index, calculated as S1/S1+S2; " "HI = hydrogen index, calculated as S2/TOC; and OI = oxygen index, calculated as S3/TOC."