Table T3. Nomenclature, concentrations, and accumulation rates of compounds identified in organic solvent extract Fraction 3 (see Fig. F4) of (A) Sample 175-1084A-1H-1, 95-97 cm, and (B) Sample 175-1084A-63X-3, 72-75 cm, with UK37´and SST values.
Notation* | Compound |
Concentration (ng/g) |
Concentration (ng/mg Corg) |
MAR (µg/cm2/k.y.) |
|||||
---|---|---|---|---|---|---|---|---|---|
A
|
B
|
A
|
B
|
A
|
B
|
||||
Alkenones | |||||||||
37:3 Me | Heptatriaconta-8,15,22-trien-2-one | 18,870 | 1,569 | 217 | 41 | 397 | 18 | ||
37:2 Me | Heptatriaconta-15,22-dien-2-one | 24,500 | 21,214 | 282 | 558 | 515 | 249 | ||
38:3 Et | Octatriaconta-9,16,23-trien-3-one | 8,674 | — | 100 | — | 182 | — | ||
38:3 Me | Octatriaconta-9,16,23-trien-2-one | 6,369 | — | 73 | — | 134 | — | ||
38:2 Et | Octatriaconta-16,23-dien-3-one | 14,580 | 29,067 | 168 | 765 | 307 | 341 | ||
38:2 Me | Octatriaconta-16,23-dien-2-one | 4,670 | 704 | 54 | 19 | 98 | 8 | ||
39:3 Et | Nonatriaconta-10,17,24-trien-3-one | 1,632 | 352 | 19 | 9 | 34 | 4 | ||
39:2 Et | Nonatriaconta-17,24-dien-3-one | 1,834 | — | 21 | — | 39 | — | ||
40:2 Et | Tetraconta-18,25-dien-3-one† | — | 1,798 | — | 47 | — | 21 | ||
Alkenoates | |||||||||
37:2 Me | Methyl hexatriaconta-14,21-dienoate | 2,251 | — | 26 | — | 47 | — | ||
37:2 Et | Ethyl hexatriaconta-14,21-dienoate | 1,658 | — | 19 | — | 35 | — | ||
Total | 85,038 | 54,705 | 977 | 1,440 | 1,788 | 642 | |||
UK37´ | 0.565 | 0.931 | |||||||
SST‡ (ºC) | 15.8 | 26.9 |
Notes: * = notation scheme as in gas chromatograms in Figures F3 and F4. † = tentative assignment of unsaturation position is following general alkenone homology. ‡ = calculated from the calibration equation of Müller et al. (1998). — = not detected.