Table T15. Headspace gas composition for safety monitoring in sediments, Site C0007. (See table notes.)
| Core, section, interval (cm) |
Depth CSF (m) |
Headspace gas (ppmv) | C1/C2 | |
|---|---|---|---|---|
| Methane | Ethane | |||
| 316-C0007A- | ||||
| 1H-1, 137.5–141.5 | 1.40 | 2.3 | 0.0 | — |
| 316-C0007B- | ||||
| 1H-1, 136.5–140.5 | 4.53 | 3.1 | 0.0 | — |
| 316-C0007C- | ||||
| 1H-1, 137–141 | 14.03 | 3.7 | 0.0 | — |
| 3H-1, 136.5–140.5 | 31.48 | 3.5 | 0.0 | — |
| 6X-1, 136.5–140.5 | 53.98 | 18.9 | 0.0 | — |
| 7X-1, 136.5–140.5 | 63.48 | 6.9 | 0.0 | — |
| 8X-1, 138–142 | 72.99 | 9.2 | 0.0 | — |
| 9X-1, 137–141 | 82.48 | 4.1 | 0.0 | — |
| 10X-1, 136.5–140.5 | 91.98 | 4.5 | 0.0 | — |
| 11X-1, 138–142 | 101.49 | 9.0 | 0.0 | — |
| 12X-1, 37.5–41.5 | 109.99 | 49.9 | 0.0 | — |
| 14X-1, 109.5–113.5 | 129.71 | 5.4 | 0.0 | — |
| 16H-1, 136.5–140.5 | 148.98 | 2.5 | 0.0 | — |
| 17H-1, 137–141 | 158.48 | 2.1 | 0.0 | — |
| 316-C0007D- | ||||
| 3R-1, 138–142 | 191.40 | 2,535.4 | 1.8 | 1,442.5 |
| 4R-1, 90–94 | 200.42 | 4,018.0 | 2.2 | 1,829.5 |
| 5R-1, 136.5–140.5 | 210.39 | 5,439.8 | 0.0 | — |
| 6R-1, 136.5–140.5 | 219.89 | 11,372.6 | 3.2 | 3,509.4 |
| 7R-1, 136–140 | 229.38 | 15,597.3 | 4.0 | 3,872.7 |
| 8R-1, 137–141 | 238.89 | 10,677.8 | 3.7 | 2,922.0 |
| 9R-1, 138–142 | 248.40 | 7,162.4 | 2.5 | 2,922.0 |
| 10R-1, 137.5–141.5 | 257.90 | 6,853.0 | 1.9 | 3,683.5 |
| 11R-1, 50–54 | 266.52 | 10,906.7 | 2.8 | 3,906.4 |
| 15R-1, 136.5–140.5 | 304.89 | 6,756.8 | 2.4 | 2,764.5 |
| 16R-1, 137.5–141.5 | 314.40 | 5,220.4 | 0.0 | — |
| 17R-1, 133–137 | 323.85 | 11,721.5 | 3.4 | 3,411.7 |
| 18R-1, 136.5–140.5 | 333.39 | 12,090.0 | 3.6 | 3,375.2 |
| 19R-1, 137–141 | 342.89 | 11,300.8 | 5.1 | 2,235.0 |
| 20R-1, 138–142 | 352.40 | 8,409.2 | 3.3 | 2,520.4 |
| 21R-1, 136–140 | 361.88 | 5,441.4 | 0.0 | — |
| 22R-1, 137–141 | 371.39 | 4,413.4 | 1.7 | 2,638.8 |
| 23R-1, 136.5–140.5 | 380.89 | 8,371.4 | 2.3 | 3,715.6 |
| 24R-1, 137–141 | 390.39 | 8,518.1 | 2.5 | 3,450.4 |
| 25R-1, 139–143 | 399.91 | 5,081.5 | 2.4 | 2,088.4 |
| 26R-1, 137.5–141.5 | 409.40 | 4,797.8 | 1.8 | 2,681.6 |
| 27R-1, 115.5–119.5 | 418.68 | 2,680.4 | 2.0 | 1,348.8 |
| 28R-1, 137.5–141.5 | 428.40 | 6,857.6 | 0.0 | — |
| 29R-1, 136.5–140.5 | 437.89 | 6,774.9 | 0.0 | — |
Notes: CSF = core depth below seafloor. — = not applicable.
Previous | Close | Next | Top of page