Table T2. Nomenclature, concentrations, and accumulation rates of compounds identified in organic solvent extract Fraction 1 (see Fig. F1) of (A) Sample 175-1084A-1H-1, 95-97 cm, and (B) Sample 175-1084A- 63X-3, 72-75 cm.

Peak* Compound Concentration
(ng/g)
Concentration
(ng/mg Corg)
MAR
(µg/cm2/k.y.)
A
B
A
B
A
B
1 n-C15 alkane 60 —
0.7 —
1.3 —
2 n-C16 alkane 211 88
2.4 2.3
4.4 1.0
3 Norpristane 249 173
2.9 4.6
5.2 2.0
4 n-C17 alkane 343 188
3.9 4.9
7.2 2.2
5 Pristane 748 395
8.6 10.4
15.7 4.6
6 3-methylheptadecane 383 —
4.4 —
8.0 —
7 5-methylheptadecane 697 —
8.0 —
14.6 —
8 Pristene isomer — 235
— 6.2
— 2.8
9 5-methylheptadecene — 125
— 3.3
— 1.5
10 n-C18 alkane 543 245
6.2 6.4
11.4 2.9
11 Phytane 968 725
11.1 19.1
20.3 8.5
12 Phytene isomer — 113
— 3.0
— 1.3
13 Phytene isomer — 217
— 5.7
— 2.6
14 Phytene isomer — 306
— 8.0
— 3.6
15 n-C19 alkane 444 263
5.1 6.9
9.3 3.1
16 3-methylnonadecane 485 —
5.6 —
10.2 —
17 5-methylnonaadecane 774 339
8.9 8.9
16.3 4.0
18 n-C20 alkane 450 310
5.2 8.1
9.5 3.6
19 n-C21 alkane 277 214
3.2 5.6
5.8 2.5
20 3-methyl-2-(3,7,11-trimethyldodecyl)-thiophene 90 137
1.0 3.6
1.9 1.6
21 3-(4,8,12-trimethyltridecyl)-thiophene — 103
— 2.7
— 1.2
22 3-methylheneicosane 548 —
6.3 —
11.5 —
23 5-methylheneicosane 487 —
5.6 —
10.2 —
24 C22 cyclic alkane 355 —
4.1 —
7.5 —
25 n-C22 alkane 212 141
2.4 3.7
4.5 1.6
26 C25 isoprenoid 492 214
5.7 5.6
10.3 2.5
27 n-C23 alkane 268 184
3.1 4.8
5.6 2.2
28 n-C24 alkane 168 114
1.9 3.0
3.5 1.3
29 n-C25 alkane 520 229
6.0 6.0
10.9 2.7
30 n-C26 alkane 278 169
3.2 4.4
5.9 2.0
31 n-C27 alkane 797 430
9.2 11.3
16.8 5.0
32 Unknown with base m/z 231 — 1461
— 38.4
— 17.1
33 Cholesta-4,22-diene — 250
— 6.6
— 2.9
34 Unknown with base m/z 231 — 530
— 14.0
— 6.2
35 Unknown with base m/z 231 — 893
— 23.5
— 10.5
36 Cholest-4-ene 796 1387
9.2 36.5
16.7 16.3
37 Unknown with base m/z 231 — 888
— 23.4
— 10.4
38 Cholest-5-ene — 1025
— 27.0
— 12.0
39 Squalene 1111 —
12.8 0.02
3.3 0.0
40 24-methylcholesta-4,22-diene 524 2375
6.0 62.5
11.0 27.9
41 24-methylcholesta-5,22-diene — 757
— 19.9
— 8.9
42 27ß(H) or 17ß(H) hopane 375 —
4.3 0.0
7.9 0.0
43 Unknown sterene — 525
— 13.8
— 6.2
44 n C29 alkane 1936 1308
22.2 34.4
40.7 15.3
45 24-methylcholest-4-ene 350 704
4.01 8.5
7.4 8.3
46 24-methylcholest-5-ene 614 114
7.1 3.0
12.9 1.3
47 24-ethylcholesta-4,22-diene 413 —
4.7 —
8.7 —
48 24-ethylcholesta-5,22-diene 366 —
4.2 —
7.7 —
49 C30 hopene 335 —
3.9 —
7.0 —
50 24-ethylcholesta-4-diene 830 1021
9.5 26.9
17.5 12.0
51 24-ethylcholesta-5-diene 1062 454
12.2 12.0
22.3 5.3
52 17(21)- C30 hopene 1054 891
12.1 23.4
22.1 10.5
53 Unknown sterene — 457
0.0 12.0
0.0 5.4
54 17(H),21ß(H)-C30 hopane 301 370
3.5 9.7
6.3 4.3
55 13(18)- C30 hopene — —
— —
— —
56 n-C31 alkane 6244 2562
71.76 67.43
131.24 30.05
57 8 fernene — 232
— 6.10
— 2.72
58 9(11) fernene — 88
— 2.31
— 1.03
59 C30 hopene 528 —
6.07 —
11.09 —
60 7 fernene 965 —
11.09 —
20.28 —
61 17ß(H),21ß (H)- C30 hopane 418 209
4.80 5.51
8.78 2.45
62 C30 hopene 636 —
7.31 —
13.37 —
63 n-C33 alkane 2294 822
26.37 21.63
48.23 9.64
64 17(H),21 _ (H)- C31 hopane 585 256
6.72 6.75
12.29 3.01
65 n-C34 alkane 1133 721
13.03 18.99
23.83 8.46
66 n-C35 alkane 373 137
4.29 3.61
7.85 1.61
67 n-C36 alkane (internal standard) — —
— —
— —

Notes: * = peak assignments refer to gas chromatograms in Figure F1. — = not detected.