Table T11. Headspace and vacutainer gas concentrations and C1/C2 ratio in sediments, Hole 1235A.
Core, section,
interval (cm)
Depth
(mbsf)
Depth
(mcd)
Sample
method
C1
(ppmv)
C2
(ppmv)
C1/C2
C3
(ppmv)
202-1235A-






1H-2, 0-5 1.50 1.50 HS 2

0.00
2H-4, 0-5 9.42 9.54 HS 2

0.00
3H-4, 0-5 19.63 19.70 HS 55,648 1.8 30,915 0.00
4H-4, 0-5 31.17 31.09 HS 11,522 0.5 23,045 0.00
5H-4, 0-5 41.74 42.17 HS 38,378 2.4 15,991 0.00
5H-5, 0-5 43.21 43.64 VAC 961,422 35.6 27,006 0.00
6H-4, 0-5 53.28 53.61 VAC 965,442 38.7 24,947 0.00
6H-4, 0-5 53.28 53.61 HS 12,867 1.0 12,867 0.00
7H-4, 0-5 65.54 65.87 VAC 967,312 45.8 21,130 1.29
7H-4, 0-5 65.54 65.87 HS 6,626 0.6 11,044 0.00
8H-4, 0-5 76.68 77.01 VAC 967,213 54.5 17,747 0.00
9H-4, 0-5 87.80 88.13 VAC 965,576 65.2 14,809 0.00
9H-4, 0-5 87.80 88.13 HS 7,983 1.4 5,702 0.00
10H-4, 0-5 98.15 98.48 VAC 957,908 72.2 13,267 0.00
11H-4, 0-5 108.25 108.60 VAC 971,090 81.0 11,989 0.00
11H-4, 0-5 108.25 108.60 HS 6,938 1.2 5,781 0.00
12H-4, 0-5 119.95 120.30 VAC 987,045 79.9 12,354 0.00
13H-4, 0-5 131.80 132.15 VAC 733,584 63.6 11,534 0.00
14H-3, 0-5 140.71 141.06 HS 14,398 2.4 5,999 0.00
15H-4, 0-5 153.89 154.24 VAC 988,379 95.6 10,339 0.00
16H-4, 0-5 165.87 166.22 VAC 984,751 86.0 11,451 0.00
17H-4, 0-5 180.18 180.53 VAC 985,657 100.6 9,798 0.00
19H-4, 0-5 201.37 201.72 VAC 986,524 104.2 9,468 1.00
20H-4, 0-5 208.57 208.92 VAC 984,224 105.3 9,347 0.00

Note: HS = headspace, VAC = vacutainer.