Table T15. Headspace (HS) gas concentrations, Site U1428.
|
Core, section, interval (cm) |
Top depth CSF-A (m) |
Sample type |
Sediment volume (cm3) |
CH4 (ppmv) measured |
Ethane (ppmv) measured |
CH4 (ppmv) normalized |
Ethane (ppmv) normalized |
C1/C2 |
|---|---|---|---|---|---|---|---|---|
| 346-U1428A- | ||||||||
| 1H-2, 0–5 | 1.5 | HS | 4 | 0 | 0 | 0.00 | 0.00 | |
| 2H-2, 0–5 | 7.9 | HS | 4 | 0 | 0 | 0.00 | 0.00 | |
| 3H-2, 0–5 | 17.4 | HS | 3.2 | 2.12 | 0 | 3.31 | 0.00 | |
| 4H-2, 0–5 | 26.9 | HS | 3 | 2.59 | 0 | 4.32 | 0.00 | |
| 5H-2, 0–5 | 36.4 | HS | 3.4 | 3.95 | 0 | 5.81 | 0.00 | |
| 6H-2, 0–5 | 45.9 | HS | 3 | 50 | 0 | 83.33 | 0.00 | |
| 7H-2, 0–5 | 55.4 | HS | 3 | 7,869 | 0 | 13,115.00 | 0.00 | |
| 8H-2, 0–5 | 64.9 | HS | 3.2 | 4,815.18 | 0 | 7,523.72 | 0.00 | |
| 9H-2, 0–5 | 74.4 | HS | 3.2 | 8,683.05 | 0 | 13,567.27 | 0.00 | |
| 10H-2, 0–5 | 83.9 | HS | 2.8 | 7,486.25 | 0 | 13,368.30 | 0.00 | |
| 11H-3, 0–5 | 93.91 | HS | 3.6 | 5,417.79 | 0 | 7,524.71 | 0.00 | |
| 12H-2, 0–5 | 102.9 | HS | 3 | 3,262.51 | 0 | 5,437.52 | 0.00 | |
| 13H-2, 0–5 | 112.4 | HS | 3.2 | 2,218.66 | 0 | 3,466.66 | 0.00 | |
| 14H-2, 0–5 | 121.9 | HS | 3 | 2,416.89 | 0 | 4,028.15 | 0.00 | |
| 15H-2, 0–5 | 131.4 | HS | 3.2 | 1,608.42 | 0 | 2,513.16 | 0.00 | |
| 21H-1, 140–141 | 156.2 | HS | 4 | 2,297.54 | 0 | 2,871.93 | 0.00 | |
| 23H-3, 0–5 | 161.72 | HS | 3 | 3,323.53 | 0 | 5,539.22 | 0.00 | |
| 24H-4, 107–108 | 172.9 | HS | 3 | 2,644.49 | 0 | 4,407.48 | 0.00 | |
| 26H-5, 100–101 | 182.86 | HS | 4 | 3,172.5 | 0 | 3,965.63 | 0.00 | |
| 32H-4, 115–116 | 211.52 | HS | 3 | 6,537.19 | 4.13 | 10,895.32 | 6.88 | 1,582.85 |
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