Table
T4. Composition of headspace gas in sediment, Hole
1127B.
Core,
section
Depth
(mbsf)H2S
(ppmv)C1
(ppmv)C2
(ppmv)C3
(ppmv)C5
(ppmv)C1/C2
182-1127B-
1H-4
4.50
3
2H-5
11.90
173
3H-5
21.40
4,109
4H-6
31.30
17,222
5H-5
40.40
46,234
1
66,048
6H-5
49.90
10,781
9,458
7H-4
57.90
21,338
11,606
8H-4
67.40
6,634
1
9H-4
76.90
8,153
10H-5
86.80
7,408
11H-4
95.90
2,999
12H-4
104.60
2,339
13H-4
114.80
1,285
14H-4
123.60
925
15H-4
133.20
1,413
16H-3
141.90
3,254
17X-3
151.40
99
1,890
18X-3
157.90
885
19X-4
169.00
2,460
20X-3
177.10
6,876
4,895
21X-5
189.40
13,272
3,410
17
22X-3
196.40
141
6,302
1
6,302
23X-3
206.00
12,562
8,244
1
14
7,494
24X-4
217.10
7,451
1
8,279
25X-5
229.50
1,997
26X-5
239.00
2,307
1
2,564
27X-5
249.00
10,916
2
4,962
28X-4
255.60
8,707
2
4,583
29X-6
269.10
5,090
2
1
2,679
30X-4
274.90
6,849
2
1
2,978
31X-7
289.30
2,668
2
1,570
32X-5
295.90
11,873
5
2
2,526
33X-4
303.80
18,328
9
4
1,992
34X-7
318.20
7,012
7
4
1,079
35X-7
327.90
1,623
3
2
624
36X-4
332.60
28,218
6,964
7
3
995
37X-7
347.10
4,026
5,639
8
1
714
38X-7
356.80
27,473
8,036
11
3
737
39X-4
361.50
257
8,210
15
5
562
40X-6
374.30
3,234
9
3
363
41X-7
385.70
3,804
13
4
302
42X-7
395.10
4,868
17
4
285
43X-4
399.70
8,762
4,323
18
5
246
44X-7
414.20
773
5
2
143
45X-7
423.80
1,494
10
3
145
46X-3
427.00
68
1,382
8
2
165
47X-6
441.30
1,140
1,561
12
3
126
48X-7
452.70
1,192
12
4
100
49X-3
455.90
39
1,015
9
2
114
50X-4
467.00
392
5
2
82
51X-4
476.60
495
4
1
115
52X-3
484.70
298
910
7
1
130
Note: ppmv = parts per million by volume, blank = not detected.