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Table T10. Molecular biomarkers in fraction N1, Site U1356. (See table note.)

Core, section,
interval (cm) 		Depth (mbsf) n-alkanes Total
hopanes
Compounds [ng/g dry sediment] Indexes
LMW (C15–C24) HMW (C25–C34) ACL (C25–C35) HMW/LMW CPI (C25–C33)
Top Bottom C15 C16 C17 C18 C19 C20 C21 C22 C23 C24 C25 C26 C27 C28 C29 C30 C31
318-U1356A-
Miocene
2R-3, 50–51 13.00 13.01 0 0 0 1 1 2 2 3 3 3 3 0 0 0 0 0 0 16 3 25 0   0
15R-3, 83–84 137.63 137.64 0 0 0 0 0 1 2 2 2 1 2 1 2 0 0 0 0 8 6 26 1 2.5 0
30R-3, 46–48 280.96 280.98 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0       0
41R-3, 29–31 386.09 386.11 0 0 0 0 0 0 1 1 1 0 1 0 0 0 0 0 0 3 1 25 0   0
47R-3, 26–28 443.58 443.60 0 0 0 0 4 20 40 18 31 51 45 31 23 28 0 0 0 165 127 26 1 1.0 18
47R-4, 27–29 444.89 444.91 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0       0
Summary  
Minimum: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 25 0 1.0 0
Maximum: 0 0 0 1 4 20 40 18 31 51 45 31 23 28 0 0 0 165 127 26 1 2.5 18
Average: 0 0 0 0 1 4 8 4 6 9 8 5 4 5 0 0 0 32 23 26 0 1.8 3
Standard deviation: 0 0 0 0 2 8 16 7 12 21 18 12 9 12 0 0 0 65 51 1 0 1.1 7
Median: 0 0 0 0 0 1 1 1 2 1 2 0 0 0 0 0 0 6 2 25 0 1.8 0
Oligocene
51R-1, 129–131 479.89 479.91 0 0 0 0 0 2 1 3 3 2 2 1 1 0 0 0 0 12 4 26 0 1.6 0
58R-CC, 21–23 546.20 546.22 0 0 0 0 0 9 5 6 5 4 3 0 0 0 0 0 0 28 3 25 0   0
63R-2, 25–27 595.03 595.05 0 0 0 0 5 8 8 18 13 17 10 10 4 12 0 0 0 69 36 26 1 0.6 3
63R-4, 37–39 597.72 597.74 0 0 0 0 4 8 14 17 15 9 14 5 8 0 0 0 0 66 27 26 0 2.9 6
73R-CC, 33–39 695.73 695.75 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0       0
87R-2, 83–85 826.24 826.26 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0       0
89R-3, 27–29 845.98 846.00 0 0 0 0 8 14 0 23 15 9 18 7 10 0 0 0 0 69 35 26 1 2.9 6
Summary  
Minimum: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 25 0 0.6 0
Maximum: 0 0 0 0 8 14 14 23 15 17 18 10 10 12 0 0 0 69 36 26 1 2.9 6
Average: 0 0 0 0 3 6 4 11 8 6 7 4 4 2 0 0 0 39 17 26 0 2.2 3
Standard deviation: 0 0 0 0 3 5 5 10 7 6 7 4 4 5 0 0 0 33 17 0 0 1.1 3
Median: 0 0 0 0 0 8 1 6 5 4 3 1 1 0 0 0 0 28 4 26 0 2.2 0
Eocene
95R-CC, 0–2 895.50 895.52 0 0 0 0 0 8 19 32 108 70 248 156 340 42 670 351 2087 641 3489 28 3 7.8 808
98R-3, 71–73 922.95 922.97 0 0 0 0 0 0 0 0 101 66 231 0 339 0 632 355 1938 398 3264 28 5 12.5 580
99R-3, 37–39 932.46 932.48 0 0 0 0 0 0 0 0 0 0 0 0 20 3 36 39 46 0 187 28   3.2 4
101R-2, 57–59 950.87 950.89 0 0 0 0 0 24 20 57 79 37 90 55 119 0 158 0 166 363 515 28 2   98
103R-1, 54–56 968.54 968.56 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0       7
103R-3, 53–55 971.53 971.55 0 0 0 0 0 21 0 40 46 18 57 51 49 0 0 0 0 233 49 25 0   655
104R-2, 64–66 979.70 979.72 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0       0
104R-4, 79–81 982.81 982.83 0 0 0 0 0 22 85 76 0 41 88 67 74 60 149 0 71 378 354 27 1 3.7 693
104R-6, 34–36 985.05 985.07 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0       0
105R-3, 53–55 990.64 990.66 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0       8
105R-4, 59–60 992.08 992.09 0 0 0 0 0 9 26 0 55 30 25 31 43 29 37 0 0 175 109 26 1 2.1 84
106R-2, 82–84 998.98 999.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0       0
Summary  
Minimum: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 25 0 2.1 0
Maximum: 0 0 0 0 0 24 85 76 108 70 248 156 340 60 670 355 2087 641 3489 28 5 12.5 808
Average: 0 0 0 0 0 7 13 17 32 22 62 30 82 11 140 62 359 182 664 27 2 5.9 245
Standard deviation: 0 0 0 0 0 10 25 27 43 27 90 47 126 21 245 136 774 220 1278 1 2 4.3 330
Median: 0 0 0 0 0 0 0 0 0 9 12 0 31 0 18 0 0 88 79 28 1 3.7 46

Note: Fraction = N1 (aliphatic hydrocarbons/n-alkanes). See “Lipid biomarker analysis” in the “Methods” chapter. LMW = low molecular weight, HMW = high molecular weight, ACL = average chain length, CPI = carbon preference index.

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