Table T8. Concentrations of H2 and CH4 in science gas, Site C0015.
|
Core, section, interval (cm) |
Depth (mbsf) |
H2 in headspace (ppm) |
CH4 in headspace (ppm) |
Sample mass (g) |
H2 in pore water (nM) |
CH4 in pore water (µM) |
|---|---|---|---|---|---|---|
| 331-C0015B- | ||||||
| 1H-1, 134–138 | 1.34 | BD | BD | 1.98 | 64 | BD |
| 1H-2,137–141 | 2.75 | 1.8 | BD | 2.64 | 538 | BD |
| 1H-3, 137–141 | 4.16 | BD | 1.8 | 5.04 | BD | 0.3 |
| 1H-4, 137–141 | 5.57 | 1.8 | 2.6 | 8.41 | 109 | 0.2 |
| 1H-CC, 0–4 | 6.22 | BD | BD | 3.62 | BD | BD |
| 331-C0015C- | ||||||
| 1H-1, 0–4 | 6.50 | 2.4 | 380.6 | 6.83 | 463.2 | 73.8 |
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