Table T15. Results of Rock-Eval pyrolysis analyses of selected sediment samples, Hole 1234A.
Core, section,
interval (cm)
Depth
TOC
(wt%)
S1
(mg/g)
S2
(mg/g)
Tmax
(°C)
HI
(mg HC/g C)
(mbsf)
(mcd)
202-1234A-






1H-1, 74-75 0.74 0.74 2.36 1.30 7.06 398 299
5H-2, 74-75 34.99 38.21 1.24 0.51 2.62 395 211
5H-4, 74-75 37.95 41.17 0.86 0.30 1.63 421 189
5H-6, 74-75 40.89 44.11 0.79 0.30 1.93 481 246
7H-1, 74-75 53.54 60.70 1.68 0.59 4.06 406 241
7H-3, 74-75 56.56 63.72 1.69 0.57 4.18 404 247
8H-1, 20-21 62.50 71.48 2.18 0.87 5.98 399 274

Notes: TOC = total organic carbon. S1 = amount of volatile hydrocarbons, S2 = amounts of hydrocarbons due to thermal cracking of kerogen. Tmax = peak temperature of kerogen breakdown. HI = hydrogen index (100 x S2/TOC).