Table T12. Concentrations of methane obtained by the headspace technique at Site 1091.
| Core,
section, interval (cm) |
Depth (mbsf) |
C1 (ppmv) |
|---|---|---|
| 177-1091A- | ||
| 1H-4, 0-5 | 4.53 | 2 |
| 2H-4, 0-5 | 11.42 | 4 |
| 3H-5, 0-5 | 22.42 | 5 |
| 4H-5, 0-5 | 31.92 | 4 |
| 5H-5, 0-5 | 41.42 | 5 |
| 6H-5, 0-5 | 50.92 | 5 |
| 7H-5, 0-5 | 59.36 | 6 |
| 8H-5, 0-5 | 69.92 | 10 |
| 9H-5, 0-5 | 79.42 | 9 |
| 10H-5, 0-5 | 88.92 | 8 |
| 11H-5, 0-5 | 98.42 | 12 |
| 12H-5, 0-5 | 107.92 | 11 |
| 13H-5, 0-5 | 117.42 | 8 |
| 14H-5, 0-5 | 126.92 | 10 |
| 15H-5, 0-5 | 136.43 | 6 |
| 16H-5, 0-5 | 145.93 | 13 |
| 17H-5, 0-5 | 155.43 | 10 |
| 18H-5, 0-5 | 164.92 | 9 |
| 19H-4, 0-5 | 172.92 | 10 |
| 20H-4, 0-5 | 182.42 | 15 |
| 21H-5, 0-5 | 193.06 | 9 |
| 22H-4, 0-5 | 201.42 | 15 |
| 23H-4, 0-5 | 210.92 | 15 |
| 24H-5, 0-5 | 221.62 | 6 |
| 25H-5, 0-5 | 231.42 | 8 |
| 26H-5, 0-5 | 240.92 | 15 |
| 27H-5, 0-5 | 250.42 | 15 |
| 28H-5, 0-5 | 259.92 | 9 |
| 29H-5, 0-5 | 269.42 | 9 |
| 30H-5, 0-5 | 278.92 | 17 |
| 31H-5, 0-5 | 288.42 | 11 |
| 32H-4, 0-5 | 296.42 | 22 |
| 33H-5, 0-5 | 307.42 | 12 |
Note: C1 = methane.