Table T12. Headspace methane concentration, ethane concentration, and the ratios of methane to ethane (C1/C2) ratios, Holes C0012C, C0012D, C0012E, and C0012G.
|
Core, section, interval (cm) |
Depth (mbsf) |
Methane (ppmv) | Ethane (ppmv) | C1/C2 |
|---|---|---|---|---|
| 333-C0012C- | ||||
| 1H-1, 136.5–140.5 | 1.3 | 0.0 | 0.0 | 100,000 |
| 2H-1, 137.5–141.5 | 5.8 | 0.0 | 0.0 | 100,000 |
| 3H-1, 136.5–140.5 | 15.3 | 0.0 | 0.0 | 100,000 |
| 4H-1, 137.5–141.5 | 24.8 | 0.0 | 0.0 | 100,000 |
| 5H-1, 135.5–139.5 | 34.3 | 0.0 | 0.0 | 100,000 |
| 6H-1, 137.5–141.5 | 43.8 | 0.0 | 0.0 | 100,000 |
| 8H-1, 137–141 | 61.3 | 0.0 | 0.0 | 100,000 |
| 9H-1, 141.5–144.5 | 70.9 | 0.0 | 0.0 | 100,000 |
| 10H-1, 138–142 | 80.2 | 0.0 | 0.0 | 100,000 |
| 11H-1, 138–142 | 87.8 | 0.0 | 0.0 | 100,000 |
| 12H-1, 138–142 | 95.3 | 0.0 | 0.0 | 100,000 |
| 13H-1, 137–141 | 103.1 | 0.0 | 0.0 | 100,000 |
| 14H-1, 76.5–80.5 | 109.3 | 0.0 | 0.0 | 100,000 |
| 15H-1, 138–142 | 117.1 | 0.0 | 0.0 | 100,000 |
| 333-C0012D- | ||||
| 2H-1, 137–141 | 119.2 | 0.0 | 0.0 | 100,000 |
| 3H-1, 138–142 | 127.8 | 0.0 | 0.0 | 100,000 |
| 4H-1, 137–141 | 135.1 | 0.0 | 0.0 | 100,000 |
| 5H-1, 136.5–140.5 | 142.2 | 0.0 | 0.0 | 100,000 |
| 6H-1, 137–141 | 147.6 | 0.0 | 0.0 | 100,000 |
| 7H-1, 136.5–140.5 | 153.3 | 0.0 | 0.0 | 100,000 |
| 8H-1, 136.5–140.5 | 158.8 | 0.0 | 0.0 | 100,000 |
| 9H-1, 137–141 | 163.6 | 0.0 | 0.0 | 100,000 |
| 10H-1, 137.5–141.5 | 167.7 | 0.0 | 0.0 | 100,000 |
| 11H-1, 134.5–138.5 | 171.3 | 0.0 | 0.0 | 100,000 |
| 12H-1, 87–91 | 174.1 | 2.5 | 0.0 | 100,000 |
| 13H-1, 136.5–140.5 | 176.9 | 0.0 | 0.0 | 100,000 |
| 333-C0012E- | ||||
| 1X-1, 136–140 | 501.4 | 119.7 | 1.9 | 64 |
| 2X-1, 53–57 | 510.0 | 23.3 | 0.0 | 100,000 |
| 3X-1, 137–141 | 520.4 | 86.6 | 1.5 | 59 |
| 333-C0012G- | ||||
| 1R-4, 0–4 | 517.1 | 15.7 | 0.0 | 100,000 |
Methane and ethane are set at 0.0 when below detection. C1/C2 is set at 100,000 when ethane concentration is below detection.
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