Table T11. Molecular biomarkers in fraction N3, Site U1356. (See table notes.)
|
Core, section, interval (cm) |
Depth (mbsf) | Detected by GC-MS |
Alkenone compounds (ng/g dry sediment) |
||||
|---|---|---|---|---|---|---|---|
| Top | Bottom | Scan mode | SIM mode | C37:2 | C38:2 | C39:2 | |
| 318-U1356A- | |||||||
| Miocene | |||||||
| 2R-3, 50–51 | 13.00 | 13.01 | N | N | 0.0 | 0.0 | 0.5 |
| 15R-3, 83–84 | 137.63 | 137.64 | N | N | 0.0 | 0.0 | 0.0 |
| 30R-3, 46–48 | 280.96 | 280.98 | N | N | 0.0 | 0.0 | 0.0 |
| 41R-3, 29–31 | 386.09 | 386.11 | N | N | 0.0 | 0.0 | 0.0 |
| 47R-3, 26–28 | 443.58 | 443.60 | N | N | 0.0 | 0.0 | 0.0 |
| 47R-4, 27–29 | 444.89 | 444.91 | N | N | 0.0 | 0.0 | 0.0 |
| Summary | |||||||
| Minimum: | 0.0 | 0.0 | 0.0 | ||||
| Maximum: | 0.0 | 0.0 | 0.5 | ||||
| Average: | 0.0 | 0.0 | 0.1 | ||||
| Standard deviation: | 0.0 | 0.0 | 0.2 | ||||
| Median: | 0.0 | 0.0 | 0.0 | ||||
| Oligocene | |||||||
| 51R-1, 129–131 | 479.89 | 479.91 | N | N | 0.0 | 0.0 | 0.0 |
| 58R-CC, 21–23 | 546.20 | 546.22 | N | N | 0.0 | 0.0 | 0.0 |
| 63R-2, 25–27 | 595.03 | 595.05 | N | N | 0.0 | 0.0 | 0.0 |
| 63R-4, 37–39 | 597.72 | 597.74 | N | N | 0.0 | 0.0 | 0.0 |
| 73RCC, 33–39 | 695.73 | 695.75 | N | N | 0.0 | 0.0 | 0.0 |
| 87R-2, 83–85 | 826.24 | 826.26 | N | N | 0.0 | 0.0 | 0.0 |
| 89R-3, 27–29 | 845.98 | 846.00 | Y | Y | 0.1 | 0.0 | 0.0 |
| Summary | |||||||
| Minimum: | 0.0 | 0.0 | 0.0 | ||||
| Maximum: | 0.1 | 0.0 | 0.0 | ||||
| Average: | 0.0 | 0.0 | 0.0 | ||||
| Standard deviation: | 0.0 | 0.0 | 0.0 | ||||
| Median: | 0.0 | 0.0 | 0.0 | ||||
| Eocene | |||||||
| 95R-CC, 0–2 | 895.50 | 895.52 | Y | Y | 468.1 | 138.2 | 310.0 |
| 98R-3, 71–73 | 922.95 | 922.97 | N | N | 0.0 | 0.0 | 0.0 |
| 99R-3, 37–39 | 932.46 | 932.48 | N | N | 0.0 | 0.0 | 0.0 |
| 101R-2, 57–59 | 950.87 | 950.89 | Y | Y | 294.0 | 118.0 | 86.7 |
| 103R-1, 54–56 | 968.54 | 968.56 | N | Y | 0.0 | 0.0 | 0.0 |
| 103R-3, 53–55 | 971.53 | 971.55 | Y | Y | 131.9 | 70.1 | 46.7 |
| 104R-2, 64–66 | 979.70 | 979.72 | N | N | 0.0 | 0.0 | 0.0 |
| 104R-4, 79–81 | 982.81 | 982.83 | Y | Y | 225.5 | 89.4 | 80.6 |
| 104R-6, 34–36 | 985.05 | 985.07 | N | Y | 0.0 | 0.0 | 0.0 |
| 105R-3, 53–55 | 990.64 | 990.66 | N | Y | 0.0 | 0.0 | 0.0 |
| 105R-4, 59–60 | 992.08 | 992.09 | Y | Y | 249.7 | 147.8 | 130.7 |
| 106R-2, 82–84 | 998.98 | 999.00 | Y | Y | 199.6 | 66.9 | 67.7 |
| 106R-CC, 11–13 | Y | Y | 113.3 | 0.0 | 0.0 | ||
| Summary | |||||||
| Minimum: | 0.0 | 0.0 | 0.0 | ||||
| Maximum: | 468.1 | 147.8 | 310.0 | ||||
| Average: | 124.5 | 51.2 | 59.5 | ||||
| Standard deviation: | 163.0 | 62.4 | 95.1 | ||||
| Median: | 0.0 | 0.0 | 0.0 | ||||
Notes: Fraction = N3 (aldehydes and ketones). See “Lipid biomarker analysis” in the “Methods” chapter. SIM = selected ion monitoring. N = no, Y = yes. GC-MS = gas chromatography-mass spectrometer.
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