Table T6.

Table T6. Composition of hydrocarbon gases, Site 1126.

Core, section Depth
(mbsf) Sample
method C₁(ppmv) C₂(ppmv) C₁/C₂

182-1126A-

1H-5
5.9
HS
13.6

182-1126B-

2H-5
12.50
HS
3.2

3H-4
20.50
HS
3.9

4H-5
31.50
HS
5.0

5H-5
41.00
HS
7.2

6H-5
50.50
HS
4.6

7H-5
60.00
HS
8.2

8H-5
69.50
HS
5.0

9H-5
79.00
HS
6.8

10H-3
85.50
HS
5.4

11H-4
97.27
VAC
31.8
1.3
24.5

11H-5
98.00
HS
8.3

14H-4
114.00
HS
12.1

15H-2
120.50
HS
6.3

17H-5
134.80
HS
8.3

18H-3
141.30
HS
7.8

19H-5
153.80
HS
7.6

22X-1
167.20
HS
7.3

24X-1
186.50
HS
11.3
1.1
10.3

25X-1
197.10
HS
8.6
1.2
7.2

27X-5
221.30
HS
12.0
2.7
4.4

28X-2
226.40
HS
9.2
2.1
4.4

29X-2
236.00
HS
8.5
2.1
4.1

32X-1
253.70
HS
2.7

182-1126D-

12R-1
252.45
HS
3.8

20R-1
328.90
HS
2.7

21R-1
338.68
HS
2.8

22R-3
350.60
HS
2.3

24R-1
367.40
HS
2.6

25R-3
379.83
HS
2.2

26R-2
387.65
HS
2.5

27R-1
396.62
HS
5.0

28R-3
408.84
HS
3.3

29R-1
415.60
HS
2.3

30R-2
426.29
HS
2.4

31R-1
436.18
HS
2.3

33R-1
453.70
HS
5.4

Core, section	Depth (mbsf)	Sample method	C₁(ppmv)	C₂(ppmv)	C₁/C₂
182-1126A-
1H-5	5.9	HS	13.6
182-1126B-
2H-5	12.50	HS	3.2
3H-4	20.50	HS	3.9
4H-5	31.50	HS	5.0
5H-5	41.00	HS	7.2
6H-5	50.50	HS	4.6
7H-5	60.00	HS	8.2
8H-5	69.50	HS	5.0
9H-5	79.00	HS	6.8
10H-3	85.50	HS	5.4
11H-4	97.27	VAC	31.8	1.3	24.5
11H-5	98.00	HS	8.3
14H-4	114.00	HS	12.1
15H-2	120.50	HS	6.3
17H-5	134.80	HS	8.3
18H-3	141.30	HS	7.8
19H-5	153.80	HS	7.6
22X-1	167.20	HS	7.3
24X-1	186.50	HS	11.3	1.1	10.3
25X-1	197.10	HS	8.6	1.2	7.2
27X-5	221.30	HS	12.0	2.7	4.4
28X-2	226.40	HS	9.2	2.1	4.4
29X-2	236.00	HS	8.5	2.1	4.1
32X-1	253.70	HS	2.7
182-1126D-
12R-1	252.45	HS	3.8
20R-1	328.90	HS	2.7
21R-1	338.68	HS	2.8
22R-3	350.60	HS	2.3
24R-1	367.40	HS	2.6
25R-3	379.83	HS	2.2
26R-2	387.65	HS	2.5
27R-1	396.62	HS	5.0
28R-3	408.84	HS	3.3
29R-1	415.60	HS	2.3
30R-2	426.29	HS	2.4
31R-1	436.18	HS	2.3
33R-1	453.70	HS	5.4

Note: HS = headspace, VAC = vacutainer, blank = not detected.