Table T29. Results of headspace monitoring of hydrocarbon gases at Site 1095.
| Core, section, interval (cm) | Depth (mbsf) |
Methane C1 (ppm) |
Ethane C2 (ppm) |
C1/C2 |
|---|---|---|---|---|
178-1095A- |
||||
1H-2, 0-5 |
1.46 |
125 |
0 |
|
2H-2, 0-5 |
7.40 |
4 |
0 |
|
4H-4, 0-5 |
25.30 |
3 |
0 |
|
5H-3, 0-5 |
33.30 |
4 |
0 |
|
6H-4, 0-5 |
44.30 |
2 |
0 |
|
7H-4, 0-5 |
53.80 |
6 |
0 |
|
8H-4, 0-5 |
63.30 |
4 |
0 |
|
9H-4, 0-5 |
72.80 |
5 |
0 |
|
10H-4, 0-5 |
82.30 |
4 |
0 |
|
178-1095B- |
||||
1H-4, 0-5 |
87.50 |
3 |
0 |
|
2H-4, 0-5 |
97.00 |
4 |
0 |
|
3H-4, 0-5 |
106.50 |
5 |
0 |
|
4H-4, 0-5 |
116.00 |
6 |
0 |
|
5H-4, 0-5 |
125.50 |
5 |
0 |
|
6H-4, 0-5 |
135.00 |
4 |
0 |
|
7H-4, 0-5 |
144.47 |
3 |
0 |
|
8H-3, 0-5 |
152.50 |
3 |
0 |
|
9H-4, 0-5 |
163.50 |
5 |
0 |
|
10H-4, 0-5 |
173.00 |
1,010 |
1.3 |
777 |
11H-4, 0-5 |
182.50 |
2,050 |
3.3 |
620 |
12H-4, 0-5 |
192.00 |
2,580 |
3.2 |
806 |
13H-3, 0-5 |
198.92 |
1,730 |
2.1 |
823 |
14X-2, 0-5 |
206.45 |
3,070 |
4.0 |
769 |
15X-2, 100-105 |
217.20 |
3,340 |
3.3 |
1,011 |
16X-1, 89-94 |
225.19 |
5,980 |
7.2 |
830 |
17X-4, 0-5 |
238.40 |
12,280 |
12.4 |
990 |
18X-4, 0-5 |
248.00 |
12,220 |
17.6 |
694 |
20X-4, 0-5 |
267.20 |
5,230 |
6.0 |
871 |
21X-4, 0-5 |
276.90 |
9,960 |
9.0 |
1,107 |
22X-3, 0-5 |
285.10 |
15,370 |
15.7 |
979 |
23X-4, 0-5 |
296.20 |
12,200 |
10.8 |
1,130 |
24X-4, 0-5 |
305.80 |
11,660 |
10.3 |
1,132 |
25X-4, 0-5 |
315.40 |
8,570 |
7.6 |
1,128 |
26X-4, 0-5 |
325.10 |
5,280 |
6.4 |
824 |
27X-4, 0-5 |
334.70 |
6,380 |
7.8 |
818 |
28X-4, 0-5 |
344.30 |
6,300 |
7.3 |
863 |
29X-3, 0-5 |
352.50 |
9,690 |
11.4 |
850 |
30X-4, 0-5 |
363.70 |
11,840 |
13.3 |
890 |
31X-4, 0-5 |
373.30 |
9,020 |
9.9 |
912 |
32X-2, 0-5 |
379.90 |
11,750 |
12.4 |
947 |
33X-3, 0-5 |
390.70 |
7,950 |
10.4 |
764 |
34X-4, 0-5 |
401.80 |
8,760 |
10.4 |
842 |
35X-4, 0-5 |
411.10 |
10,850 |
12.2 |
889 |
36X-4, 0-5 |
420.70 |
7,290 |
9.0 |
810 |
37X-3, 0-5 |
428.80 |
17,020 |
22.2 |
766 |
38X-4, 0-5 |
440.00 |
10,660 |
15.5 |
688 |
39X-4, 0-5 |
449.60 |
22,010 |
35.9 |
613 |
40X-4, 0-5 |
459.30 |
12,490 |
13.3 |
939 |
41X-3, 0-5 |
467.50 |
8,370 |
15.9 |
527 |
42X-4, 0-5 |
478.60 |
9,470 |
14.2 |
667 |
43X-2, 0-5 |
484.80 |
13,040 |
19.3 |
676 |
44X-CC, 0-5 |
493.40 |
8,950 |
20.7 |
432 |
45X-1, 0-5 |
498.00 |
8,770 |
13.2 |
664 |
46X-1, 98-100 |
503.98 |
15,610 |
31.1 |
502 |
47X-1, 64-65 |
513.34 |
8,690 |
20.0 |
435 |
48X-1, 0-2 |
522.40 |
702 |
2.5 |
281 |
49X-1, 108-109 |
533.18 |
6,060 |
13.6 |
445 |
50X-2, 0-2 |
543.20 |
6,500 |
16.3 |
399 |
51X-1, 0-5 |
551.40 |
4,250 |
13.3 |
319 |
52X-1, 0-5 |
560.80 |
6,000 |
16.1 |
373 |