Table T9. Concentrations of CH4 in headspace gas, Hole 1212A.
Core, section,
interval (cm)
Depth
(mbsf)
CH4
(ppmv)
198-1212A-

1H-3, 0-5 3.0 1.9
2H-5, 0-5 10.9 1.8
3H-5, 0-5 20.4 2.0
4H-5, 0-5 29.9 2.1
5H-5, 0-5 39.4 2.1
6H-4, 0-5 47.4 1.8
7H-5, 0-5 53.4 2.0
8H-3, 0-5 59.9 1.8
11H-3, 0-5 88.4 2.0