Table T4. Nomenclature, concentrations and accumulation rates of compounds identified in organic solvent extract Fraction 4 (see Fig. F5) 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-C14 alkanoic acid 304
8.0
3.6
2 n-C15 alkanoic acid 1,615 983
18.6 25.9
33.9 11.5
3 n-C16 alkanoic acid 3,087 1,083
35.5 28.5
64.9 12.7
4 n-C18 alcohol 1,109 264
12.7 7.0
23.3 3.1
5 Phytol 831
9.6
17.5
6 n-C18:1 alkenoic acid 799 229
9.2 6.0
16.8 2.7
7 n-C18 alkanoic acid 2,106 211
24.2 5.6
44.3 2.5
8 n-C22 alcohol 1,284
14.8
27.0
9 n-C22 alkanoic acid 2,585 301
29.7 7.9
54.3 3.5
10 n-C24 alkanoic acid 9,124 209
104.9 5.5
191.8 2.5
11 n-C22 hydroxy n- alkanoic acid methyl ester? 399
10.5
4.7
12 n-C26 alcohol 3,020
34.7
63.5
13 n-C26 alkanoic acid 16,330 163
187.7 4.3
343.2 1.9
14 Cholest-5-en-3-ol 4,032 667
46.3 17.5
84.8 7.8
15 5-cholestan-3-ol 802 105
9.2 2.8
16.9 1.2
16 24-methylcholesta-5,22-dien-3-ol 2,935 268
33.7 7.0
61.7 3.1
17 24-methyl-5_-cholest-22-dien-3-ol 1,005 70
11.6 1.9
21.1 0.8
18 n-C28 alkanoic acid 7,376 229
84.8 6.0
155.0 2.7
19 24-methylcholestan-3-ol 2,267 148
26.1 3.9
47.6 1.7
20 23,24-dimethylcholest-22-en-3-ol 1,236 268
14.2 7.1
26.0 3.1
21 24-ethylcholesta-22-en-3-ol 5,003
57.5
105.2
22 23,24-dimethylcholestan-3-ol 5,145 148
59.1 3.9
108.1 1.7
23 24-ethylcholestan-3-ol 4,709 120
54.1 3.2
99.0 1.4
24 4,23,24-trimethyl-5_-cholest-22-en-3-ol 4,416 155
50.8 4.1
92.8 1.8
25 n-C30 alkanoic acid 2,984 99
34.3 2.6
62.7 1.2
26 4,23,24-trimethyl-5_-cholest-8(14)-en-3-ol 7,454 101
85.7 2.6
156.7 1.2
27 C30 alkan-15-one-1-ol 19,000 123
218.4 3.2
399.4 1.4
28 Unknown 3,487 1,273
40.1 33.5
73.3 14.9
29 Unknown 2,972 164
34.2 4.3
62.5 1.9
30 C32:1 alken-15-one-1-ol 2,502
28.8
52.6
31 C32 alkan-15-one-1-ol 7,234
83.1
152.1
32 C32 hopanol 2,157
24.8
45.3

Note: * = peak assignments refer to gas chromatograms in Figure F5. — = not detected.