Constraining the formation of authigenic carbonates in a seepage-affected cold-water coral mound by lipid biomarkers

Sample depth (cm)

2

70

167

265

385

425

445

465

485

525

565

595

Compound

ng g

-1

_{ng g}

-1

_{ng g}

-1

_{ng g}

-1

_{ng g}

-1

_{ng g}

-1

_{ng g}

-1

_{ng g}

-1

_{ng g}

-1

_{ng g}

-1

_{ng g}

-1

_{ng g}

-1

n-C

17

4

0

n.m.

2

1

1

0

3

0

0

pristane

2

0

n.m.

1

1

1

0

3

0

0

n-C

18

9

1

3

4

3

3

3

9

3

3

phytane

4

1

1

2

2

1

1

7

1

1

n-C

19

7

2

3

4

4

2

2

12

3

3

n-C

20

13

4

7

8

6

5

7

17

7

6

n-C

21

10

2

4

7

6

3

2

16

7

5

n-C

22

12

3

5

9

7

4

14

15

6

5

PMI

8

2

3

3

9

2

9

21

3

7

n-C

23

13

3

5

16

15

5

6

17

6

6

n-C

24

11

2

5

24

22

6

8

16

7

5

n-C

25

19

3

11

42

32

9

11

20

10

11

n-C

26

12

2

5

35

30

5

11

17

7

6

n-C

27

36

6

23

76

51

22

18

29

17

24

n-C

28

17

2

8

38

32

7

12

19

9

8

istd

880

464

877

512

585

407

417

660

420

582

n-C

29

81

12

50

150

102

62

82

61

41

57

n-C

30

19

40

7

36

30

8

12

20

9

9

n-C

31

106

15

64

192

118

49

44

79

45

71

n-C

32

22

2

5

23

19

6

11

19

6

5

n-C

33

50

5

21

56

44

29

18

43

16

21

n-C

34

18

20

2

8

7

4

4

18

3

7

n-C

35

29

1

6

14

14

9

8

31

5

6

n-C

36

26

1

3

4

4

2

2

24

6

2

n-C

37

24

0

1

3

2

1

7

26

1

2

n-C

38

26

0

n.m.

11

33

25

58

41

4

13

total amount

579

130

242

768

594

271

352

583

225

283

Supplementary information 1. Contents of hydrocarbons in ng g

-1

_{sediment. n.m. = not measurable due to low content of organic compounds in the total lipid extract.}

H

yd

ro

ca

rb

on

s

sa

m

pl

e

lo

st

sa

m

pl

e

lo

st

Sample depth (cm) 2 70 167 265 385 425 445 465 485 525 565 595 Compound ng g-1 _{ng g}-1 _{ng g}-1 _{ng g}-1 _{ng g}-1 _{ng g}-1 _{ng g}-1 _{ng g}-1 _{ng g}-1 _{ng g}-1 _{ng g}-1 _{ng g}-1 iso-C14 40 0 0 0 16 0 10 0 0 0 7 0 n -C14 139 114 0 19 26 31 31 27 15 53 12 20 iso-C15 175 17 0 9 14 16 12 15 14 18 6 14 anteiso-C15 208 27 0 14 22 22 15 15 20 26 9 21 n -C15 69 39 0 25 21 38 18 24 24 38 10 29 iso-C16 61 20 0 11 18 23 16 16 18 22 9 18 C16:1 (ω9) 182 34 13 62 9 19 10 17 23 34 7 28 n -C16 553 1826 173 523 367 254 311 247 155 244 248 275 10Me-C16 293 0 18 0 8 0 10 0 0 15 0 12 iso-C17 50 19 0 16 11 27 14 23 18 27 7 17 anteiso-C17 63 24 0 21 11 16 9 14 19 22 10 23 n -C17 39 62 29 27 19 27 16 26 24 33 13 26 iso-C18 24 11 18 17 11 26 12 13 0 4 21 C18:1 (ω9) 115 73 25 147 30 42 25 29 25 47 36 46 C18:1 (ω7) 110 25 25 21 11 39 11 26 36 42 27 21 n -C18 490 3835 345 1051 624 213 458 291 271 224 431 383 n -C19 30 29 0 0 20 31 18 37 0 29 0 0 n -C20 54 146 32 44 88 69 49 75 49 46 32 50 n -C21 64 22 0 23 27 58 20 26 48 27 13 21 n -C22 63 78 28 39 82 102 67 113 53 63 37 52 n -C23 40 36 0 34 43 42 34 50 28 41 27 39 n -C24 124 117 51 66 141 250 206 301 96 158 114 146 n -C25 55 60 32 53 57 92 51 67 49 76 24 61 cholestane 158 251 266 816 28 0 48 0 0 132 262 0 n -C26 162 248 52 117 256 383 318 483 177 238 186 262 n -C27 65 72 40 53 75 70 58 92 43 66 64 71 n -C28 374 248 64 110 257 275 232 396 197 183 155 211 n -C29 68 87 44 64 95 102 68 101 56 82 57 80 n -C30 124 178 61 95 193 139 100 216 104 133 100 137 n -C31 54 76 68 65 59 62 39 76 60 100 57 72 n -C32 79 107 84 67 114 87 64 134 98 92 52 109 n -C33 92 47 0 78 38 51 34 51 118 76 29 61 n -C34 91 77 0 97 76 114 46 115 78 100 39 93 bb-C31-hopanoic acid 171 81 0 0 58 127 64 133 110 99 43 91 bb-C32-hopanoic acid 173 133 264 138 127 276 158 273 128 191 111 151 acyclic biphytane-acid 260 105 0 0 78 180 81 126 148 193 53 120 monocyclic biphytane-acid 243 87 0 0 84 148 76 137 121 0 38 0 dicyclic biphytane-acid 289 0 0 0 79 207 66 117 170 0 0 0 tricyclic biphytane-acid 281 0 658 0 99 267 64 119 219 0 44 0 total amount 5726 8411 2389 3922 3390 3926 2942 4021 2813 2973 2372 2781

Ca

rb

ox

yl

ic

a

ci

d

Supplementary information 2. Contents of carboxylic acids in ng g-1_{sediment. Prefixes iso - and anteiso - describe the methyl-group branching point at the penultimate and ante-penultimate carbon atom,} respectively.