Table T9. Concentrations of CH4 in headspace gas, Hole 1213A.
Core, section,
interval (cm)
Depth
(mbsf)
CH4
(ppmv)
198-1213A-

1R-5, 0-5 6.0 2.1
2R-3, 0-5 11.4 2.1
3R-5, 0-5 24.1 2.0
5R-2, 0-5 38.6 1.8
6R-4, 0-5 51.2 1.9