|
Biomarker feature |
198-1207B-44R-1 | ||
|---|---|---|---|
Upper
(60-61 cm) |
Middle
(76-77 cm) |
Lower
(103-104 cm) |
|
| Dominant components: | |||
| n-alkane | C15 | C17 | C17 |
| Acyclic isoprenoid | C16 | C16 | C16 |
| Sterane | C295 (H) |
C295(H) |
C295(H) |
| Sterene | C29  4 |
C29 4 |
C29 4 |
| Hopane | C2717 (H) |
C3117(H),21(H) |
C3117(H),21(H) |
| Hopene | C30 17(21) |
C30 17(21) |
C30 17(21) |
| Compound ratios: | |||
| PR/PH | 0.35 | 0.56 | 0.77 |
| C27:C28:C29 in steroids | 33:16:51 | 33:16:51 | 41:13:46 |
Notes: Compound codes are described in Table T16. Steroid carbon number ratios are based on the distributions of steranes and 4- and 5-sterenes.