Table T9. Headspace gas composition, Site 1197.

Core,
section
Depth
(mbsf)
C1
(ppmv)
194-1197A-
1H-4 4.50 1.6
2H-5 12.10 2.3
3H-5 21.60 2.0
4H-5 31.10 1.8
5H-5 40.60 1.6
6H-5 50.10 1.9
194-1197B-
39R-5 421.01 2.1
40R-3 427.94 1.7
41R-3 437.38 1.9
42R-2 445.80 2.0
43R-2 455.34 2.1
44R-7 471.44 2.1
45R-6 479.94 2.2
46R-6 490.09 2.3
47R-4 496.43 2.2
48R-6 509.28 3.1
50R-7 530.11 2.5
51R-4 534.80 3.1
55R-6 576.59 2.0
56R-5 585.00 2.7
57R-5 594.60 2.4

Note: C1 = methane.