Table T2. Biomarker-based parameters for organic matter thermal maturity and degree of preservation.
Hole, core,
section
Depth
(mcd)
Age
TOC
(wt%)
Maturity parameters
Preservation parameters
C31-/
( + + )
C30--R/
(-S + -R)
C31--R/
(-S + -R)
homohopane
index
thiophenes/
C30-hopanes
(lycopane + n-C35)/
n-C31
isorenieratane-
thianes
207-









1257B-20R-1 195.60 Coniacian 9.65 NA 0.9 0.8 7.0 0.02 2.2 +
1257B-22R-1 204.87 Turonian 9.72 0.9 0.8 NA 6.2 0.2 1.8
1257B-24R-4 218.41 Turonian 8.62 0.8 0.9 0.7 6.5 0.2 4.9
1257C-15R-1 219.85 Cenomanian 8.21 NA 0.9 NA 7.1 0.3 4.4
1258B-44R-4 417.90 Turonian 8.78 0.8 0.9 0.8 9.6 0.3 16.0 +
1258A-43R-2 426.20 Turonian 11.89 0.7 0.9 0.8 8.5 0.3 11.1
1258B-46R-2 426.36 Cenomanian 28.13 0.7 0.8 0.9 10.1 0.05 2.2 +
1258B-51R-2 452.44 Cenomanian 11.63 0.6 0.8 0.7 10.6 0.3 2.4 +
1258B-55R-1 470.31 Cenomanian 8.80 0.6 0.9 0.9 10.5 0.3 1.9 +
1258C-31R-2 500.66 Albian 4.54 0.7 0.8 0.7 7.4 0.3 0.8

Notes: Homohopane index = percentage of -pentakishomohopane in C31–C35 -homohopanes (modified from Peters and Moldowan, 1991). NA = not applicable. +/– = presence/absence of isorenieratane thianes.