Table T6. Headspace gas, Holes U1316A and U1316B.
Core, section |
Depth (mbsf) |
Safety CH4 (ppm) |
Safety C2H6 (ppm) |
Dissolved CH4 (µM) |
Adsorbed CH4 (µmol/g) |
Dissolved C2H6 (µM) |
Adsorbed C2H6 (µmol/g) |
Adsorbed propane (µmol/g) |
---|---|---|---|---|---|---|---|---|
307-U1316A- | ||||||||
1H-3 | 4.4 | 1.7 | BDL | BDL | 4.1E–04 | BDL | BDL | BDL |
2H-4 | 11.8 | 1.8 | BDL | BDL | 4.2E–04 | BDL | BDL | BDL |
3H-4 | 21.3 | 1.7 | BDL | BDL | 7.3E–04 | BDL | BDL | BDL |
4H-4 | 30.8 | 2.0 | BDL | BDL | 3.0E–04 | BDL | BDL | BDL |
5H-4 | 40.3 | 1.8 | BDL | BDL | 3.3E–04 | BDL | BDL | BDL |
6H-4 | 49.8 | 1.9 | BDL | BDL | 2.5E–04 | BDL | BDL | BDL |
7H-2 | 56.3 | 3.8 | BDL | 0.063 | 8.0E–03 | BDL | 1.8E–04 | BDL |
8H-3 | 66.39 | 5.8 | BDL | 0.081 | 2.9E–03 | BDL | 1.1E–04 | BDL |
9X-3 | 78.8 | 69 | 2.6 | ND | ND | ND | ND | ND |
10X-3 | 79.73 | 157 | 6.0 | 51.5 | 1.22E–02 | 2.0 | 1.9E–04 | BDL |
11X-3 | 81.3 | 188 | 6.2 | 45.6 | 2.81E–02 | 1.5 | 9.9E–04 | BDL |
11X-4 | 83.61 | 269 | 9.5 | 62.9 | ND | 2.2 | ND | ND |
12X-2 | 84.8 | 143 | 4.9 | 52.8 | 1.34E–02 | 1.8 | 3.4E–04 | BDL |
12X-CC | 85.68 | 60.0 | 18.2 | 16.7 | ND | 5.2 | ND | ND |
13X-3 | 90.8 | 222 | 7.8 | 97.7 | 1.37E–02 | 3.5 | 3.6E–04 | BDL |
15X-1 | 94.54 | 335 | 14.4 | 67.2 | 3.02E–02 | 2.9 | 3.3E–04 | BDL |
16X-4 | 103.5 | 637 | 10.0 | 230 | 9.89E–02 | 3.6 | 1.8E–03 | 4.0E–04 |
17X-1 | 108.77 | 1180 | 11.1 | 574 | 4.55E–03 | 5.4 | 4.5E–04 | BDL |
18X-4 | 116.8 | 2230 | 14.1 | 718 | 9.25E–02 | 4.6 | 9.1E–04 | 1.7E–04 |
19X-1 | 118.68 | 6020 | 31.8 | 1730 | ND | 9.1 | ND | ND |
20X-2 | 119.65 | 4100 | 20.4 | 907 | 1.88E–01 | 4.5 | 1.5E–03 | 3.4E–04 |
20X-2 | 120.83 | 2050 | 18.8 | 808 | ND | 7.4 | ND | ND |
21X-4 | 129.8 | 5950 | 28.7 | 2010 | ND | 9.7 | ND | BDL |
307-U1316B- | ||||||||
1H-4 | 5 | ND | ND | ND | 4.81E–03 | ND | BDL | BDL |
2H-4 | 10.5 | ND | ND | ND | 1.66E–03 | ND | BDL | BDL |
3H-4 | 20 | ND | ND | ND | 1.59E–03 | ND | BDL | BDL |
4H-4 | 29.5 | ND | ND | ND | 8.24E–04 | ND | BDL | BDL |
5H-4 | 39 | ND | ND | ND | 3.85E–04 | ND | BDL | BDL |
6H-4 | 48.5 | ND | ND | ND | 2.37E–04 | ND | BDL | BDL |
Note: BDL = below detection limit, ND = not determined.
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