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Table T13. Molecular biomarkers in fraction FAMES, Site U1356. (See table note.)

Core, section,
interval (cm)
Depth (mbsf) n-alkanoic acids
Compounds [ng/g dry sediment] Indexes
LMW (C15–C24) HMW (C24–C34) ACL (C24–C34) HMW/LMW
Top Bottom C14 ΣC15:n C16 ΣC17:n ΣC18:n C19 C20 C21 C22 C23 C24 C25 C26 C27 C28 C29 C30 C31
318-U1356A-
Miocene
2R-3, 50–51 13.00 13.01 3 3 91 8 144 0 10 0 25 0 6 0 0 0 0 0 0 0 597 13 24.0 0.0
15R-3, 83–84 137.63 137.64 0 0 81 8 82 0 23 0 65 0 52 0 23 0 0 0 0 0 540 151 24.6 0.3
30R-3, 46–48 280.96 280.98 78 44 372 24 224 6 10 0 10 0 7 0 0 0 0 0 0 0 1624 15 24.0 0.0
41R-3, 29–31 386.09 386.11 0 0 89 0 87 0 0 0 0 0 0 0 0 0 0 0 0 0 373 0   0.0
47R-3, 26–28 443.58 443.60 78 40 359 19 192 0 40 0 181 0 127 0 0 0 0 0 0 0 1904 258 24.0 0.1
47R-4, 27–29 444.89 444.91 3 3 40 3 71 0 3 0 23 0 0 0 0 0 0 0 0 0 311 0   0.0
Summary  
Minimum: 0 0 40 0 71 0 0 0 0 0 0 0 0 0 0 0 0 0 311 0 24.0 0.0
Maximum: 78 44 372 24 224 6 40 0 181 0 127 0 23 0 0 0 0 0 1904 258 24.6 0.3
Average: 27 15 172 10 133 1 14 0 51 0 32 0 4 0 0 0 0 0 892 73 24.2 0.1
Standard deviation: 39 21 151 9 64 2 15 0 67 0 50 0 9 0 0 0 0 0 689 108 0.3 0.1
Median: 3 3 90 8 115 0 10 0 24 0 7 0 0 0 0 0 0 0 569 14 24.0 0.0
Oligocene
51R-1, 129–131 479.89 479.91 0 1 62 0 107 0 16 0 36 0 0 0 0 0 0 0 0 0 934 0   0.0
58R-CC, 21–23 546.20 546.22 0 0 11 4 7 0 0 0 0 0 0 0 0 0 0 0 0 0 100 0   0.0
63R-2, 25–27 595.03 595.05 3 8 86 25 218 6 8 0 24 0 17 0 13 0 0 0 0 0 1644 102 24.9 0.1
63R-4, 37–39 597.72 597.74 0 2 104 22 226 0 12 0 87 0 70 0 78 0 51 0 0 0 808 306 25.5 0.4
73R-CC, 33–39 695.73 695.75 1 4 152 17 187 0 0 0 0 0 0 0 0 0 0 0 0 0 1612 0   0.0
87R-2, 83–85 826.24 826.26 2 10 192 30 329 15 34 0 112 0 55 0 20 0 21 0 0 0 1290 151 25.0 0.1
89R-3, 27–29 845.98 846.00 3 13 199 28 446 0 35 0 0 0 243 34 314 0 157 0 0 0 1164 1855 25.4 1.6
Summary  
Minimum: 0 0 11 0 7 0 0 0 0 0 0 0 0 0 0 0 0 0 100 0 24.9 0.0
Maximum: 3 13 199 30 446 15 35 0 112 0 243 34 314 0 157 0 0 0 1644 1855 25.5 1.6
Average: 1 7 124 21 236 4 15 0 37 0 64 6 71 0 38 0 0 0 1103 402 25.2 0.4
Standard deviation: 1 5 70 12 143 6 14 0 46 0 88 13 115 0 58 0 0 0 533 675 0.3 0.6
Median: 1 4 104 22 218 0 12 0 24 0 17 0 13 0 0 0 0 0 1164 102 25.2 0.1
Eocene
95R-CC, 0–2 895.50 895.52 0 0 0 0 0 0 0 0 52 0 43 0 22 0 45 0 0 0 150 234 25.3 1.6
98R-3, 71–73 922.95 922.97 213 191 1641 118 1373 0 11 0 0 0 17 0 0 0 0 0 0 0 5492 48 24.0 0.0
99R-3, 37–39 932.46 932.48 8 9 227 9 108 0 0 0 36 0 0 0 0 0 0 0 0 0 662 0   0.0
101R-2, 57–59 950.87 950.89 445 394 2070 327 1910 296 269 232 984 192 404 119 289 255 742 0 473 0 13611 3800 26.3 0.3
103R-1, 54–56 968.54 968.56 11 13 64 0 139 2 0 2 0 0 2 0 0 0 0 0 0 0 361 6 24.0 0.0
103R-3, 53–55 971.53 971.55   512 3340 242 2192 36 102 110 0 141 146 0 0 205 455 0 0 0 11364 1078 26.3 0.1
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, 79–81 982.81 982.83 400 866 3666 462 2481 164 287 326 801 344 229 178 462 236 336 0 0 0 17676 3067 25.7 0.2
104R-6, 34–36 985.05 985.07 8 8 88 15 156 18 27 21 39 22 45 19 49 30 176 51 82 0 1798 828 26.5 0.5
105R-3, 53–55 990.64 990.66 57 55 534 0 0 25 24 23 71 18 64 23 182 30 140 0 61 0 1460 1003 26.1 0.7
105R-4, 59–60 992.08 992.09 297 311 2080 363 1676 114 184 159 888 91 359 0 669 0 453 0 501 0 11416 3905 26.2 0.3
106R-2, 82–84 998.98 999.00 16 106 2253 349 3023 136 158 99 1162 156 308 107 268 309 983 0 529 163 13790 3942 26.8 0.3
106R-CC, 11–13 999.98 1000.00 0 0 380 91 714 108 150 111 677 68 226 107 0 0 486 0 155 0 5030 1597 26.0 0.3
Summary  
Minimum: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 24.0 0.0
Maximum: 445 866 3666 462 3023 296 287 326 1162 344 404 178 669 309 983 51 529 163 17676 3942 26.8 1.6
Average: 121 190 1257 152 1059 69 93 83 362 79 142 43 149 82 294 4 138 13 6370 1501 25.7 0.4
Standard deviation: 170 266 1321 172 1096 90 106 104 458 105 147 62 216 120 318 14 212 45 6333 1603 0.9 0.4
Median: 13 55 534 91 714 25 27 23 52 22 64 0 22 0 176 0 0 0 5030 1003 26.1 0.3

Note: Fraction = FAMES (fatty acid methyl esters). 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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