Table T12. Headspace and vacutainer gas concentrations and C1/C2 ratio in sediments, Hole 1234A.
Core, section,
interval (cm)
Depth
(mbsf)
Depth
(mcd)
Sample
method
C1
(ppmv)
C2
(ppmv)
C1/C2
C2=
(ppmv)
C3
(ppmv)
202-1234A-







1H-2, 0-5 1.51 1.51 HS 3 0
0.0 0.0
2H-4, 0-5 9.87 9.72 HS 39,980 0
0.0 0.0
4H-4, 0-5 27.86 29.72 HS 8,385 0
0.0 0.0
4H-5, 0-5 29.26 31.12 VAC 957,128 3 354,492 0.0 0.0
5H-4, 0-5 37.21 40.43 HS 9,629 0
0.0 0.0
6H-4, 0-5 46.71 51.88 HS 10,104 0
0.0 0.0
6H-5, 0-5 48.12 53.29 VAC 951,542 4 264,317 0.0 0.0
7H-3, 0-5 55.82 62.98 HS 18,037 0
0.0 0.0
8H-6, 0-5 68.83 77.81 VAC 971,476 7 134,927 0.0 0.3
9H-4, 0-5 75.47 88.04 HS 39,571 1 79,143 0.4 0.0
10H-5, 0-5 86.11 100.74 VAC 970,587 8 129,412 0.0 0.0
11H-4, 0-5 95.25 111.59 HS 4,052 0
0.0 0.0
12X-4, 0-5 104.80 122.85 HS 6,266 0
0.0 0.0
13X-3, 0-5 111.82 131.40 VAC 959,946 13 7,6186 0.0 0.0
14X-4, 0-5 122.91 144.22 HS 4,365 0
0.0 0.0
14X-4, 0-5 122.91 144.22 VAC 965,586 18 54,863 0.0 0.0
15X-5, 5-6 132.73 155.77 VAC 964,921 17 55,776 0.0 0.8
16X-4, 0-5 142.13 166.90 HS 7,578 0
0.0 0.0
17X-2, 52-53 149.09 175.59 VAC 961,528 23 42,546 0.0 0.0
18X-4, 0-5 161.44 189.68 HS 8,943 1 11,179 0.0 0.0
19X-2, 82-83 168.83 198.80 VAC 958,937 45 21,453 0.0 0.0
20X-4, 0-5 180.64 212.36 HS 7,672 0
0.0 0.0
21X-2, 54-55 187.85 221.29 VAC 948,034 81 11,704 0.0 6.9
22X-4, 0-5 200.03 235.22 HS 17,953 2 9,449 0.0 0.0

Note: HS = headspace, VAC = vacutainer.