Table T5. Hydrocarbon headspace gas concentrations, Holes U1325B, U1325C, and U1325D.
|
Core, section, interval (cm) |
Depth (mbsf) |
C1/C2 |
C1 (ppmv) |
C2 (ppmv) |
C2= (ppmv) |
C3 (ppmv) |
C1 (mM)* |
|---|---|---|---|---|---|---|---|
| 311-U1325B- | |||||||
| 1H-1, 80–85 | 0.80 |
|
10 | 0 | 0 | 0 | 0.00 |
| 1H-2, 0–5 | 1.50 |
|
1,128 | 0 | 0 | 0 | 0.48 |
| 1H-2, 80–85 | 2.30 |
|
5,020 | 0 | 0 | 0 | 2.20 |
| 1H-3, 0–5 | 3.00 |
|
7,112 | 0 | 0 | 0 | 3.21 |
| 1H-3, 75–80 | 3.75 |
|
9,713 | 0 | 0 | 0 | 4.52 |
| 1H-4, 0–5 | 4.50 |
|
12,309 | 0 | 0 | 0 | 5.92 |
| 1H-4, 80–85 | 5.30 |
|
12,996 | 0 | 0 | 0 | 6.49 |
| 1H-5, 0–5 | 6.00 |
|
9,696 | 0 | 0 | 0 | 5.00 |
| 1H-5, 80–85 | 6.80 |
|
13,208 | 0 | 0 | 0 | 7.09 |
| 1H-6, 0–5 | 7.50 |
|
13,911 | 0 | 0 | 0 | 7.74 |
| 1H-6, 80–85 | 8.30 |
|
3,659 | 0 | 0 | 0 | 2.12 |
| 1H-7, 0–5 | 9.00 |
|
2,748 | 0 | 0 | 0 | 1.66 |
| 2H-3, 0–5 | 12.30 |
|
10,931 | 0 | 0 | 0 | 7.41 |
| 2H-7, 0–5 | 18.30 |
|
7,504 | 0 | 0 | 0 | 5.02 |
| 3X-1, 145–150 | 20.25 |
|
3,733 | 0 | 0 | 0 | 2.48 |
| 4H-3, 0–5 | 26.82 |
|
5,915 | 0 | 0 | 0 | 3.88 |
| 4H-6, 0–5 | 31.32 |
|
7,722 | 0 | 0 | 0 | 5.01 |
| 5H-3, 0–5 | 36.42 |
|
4,051 | 0 | 0 | 0 | 2.60 |
| 5H-6, 0–5 | 40.92 |
|
4,491 | 0 | 0 | 0 | 2.85 |
| 6H-3, 0–5 | 46.00 |
|
7,252 | 0 | 0 | 0 | 4.56 |
| 6H-6, 0–5 | 50.50 |
|
4,834 | 0 | 0 | 0 | 3.01 |
| 7H-4, 0–5 | 57.00 |
|
4,589 | 0 | 0 | 0 | 2.82 |
| 7H-6, 0–5 | 60.00 |
|
4,500 | 0 | 0 | 0 | 2.75 |
| 8H-4, 0–5 | 66.26 |
|
4,651 | 0 | 0 | 0 | 2.80 |
| 8H-6, 0–5 | 69.26 |
|
3,401 | 0 | 0 | 0 | 2.04 |
| 9X-1, 137–142 | 72.87 |
|
2,267 | 0 | 0 | 0 | 1.21 |
| 10X-4, 0–5 | 77.30 |
|
2,817 | 0 | 0 | 0 | 1.39 |
| 10X-5, 117–121 | 79.97 |
|
2,755 | 0 | 0 | 0 | 1.44 |
| 12X-3, 0–5 | 87.40 |
|
3,785 | 0 | 0 | 0 | 2.38 |
| 12X-4, 63–68 | 89.53 |
|
2,172 | 0 | 0 | 0 | 1.45 |
| 13X-CC, 10–15 | 93.53 |
|
3,459 | 0 | 0 | 0 | 2.60 |
| 14X-3, 0–5 | 105.30 |
|
3,730 | 0 | 0 | 0 | 2.01 |
| 14X-6, 25–30 | 109.88 |
|
2,794 | 0 | 0 | 0 | 1.70 |
| 15X-2, 120–125 | 114.40 |
|
3,119 | 0 | 0 | 0 | 2.17 |
| 15X-3, 14–19 | 114.84 |
|
3,685 | 0 | 0 | 0 | 2.60 |
| 16X-3, 0–5 | 124.30 |
|
4,755 | 0 | 0 | 0 | 2.88 |
| 16X-5, 0–5 | 126.15 |
|
3,165 | 0 | 0 | 0 | 1.80 |
| 16X-7, 0–5 | 128.15 |
|
3,593 | 0 | 0 | 0 | 1.92 |
| 18X-2, 0–5 | 132.40 |
|
3,539 | 0 | 0 | 0 | 1.91 |
| 18X-2, 121–126 | 133.61 |
|
2,086 | 0 | 0 | 0 | 1.13 |
| 19X-3, 16–21 | 143.66 |
|
2,122 | 0 | 0 | 0 | 1.18 |
| 19X-5, 0–5 | 145.30 |
|
2,027 | 0 | 0 | 0 | 1.14 |
| 20X-3, 40–45 | 153.60 |
|
2,081 | 0 | 0 | 0 | 1.19 |
| 20X-6, 0–5 | 156.84 |
|
4,007 | 0 | 0 | 0 | 2.32 |
| 21X-1, 32–37 | 160.12 |
|
2,379 | 0 | 0 | 0 | 1.39 |
| 21X-3, 0–5 | 161.81 |
|
1,094 | 0 | 0 | 0 | 0.64 |
| 23X-2, 0–5 | 171.90 |
|
1,850 | 0 | 0 | 0 | 1.12 |
| 24X-2, 0–5 | 180.39 |
|
1,966 | 0 | 0 | 0 | 1.23 |
| 24X-3, 0–5 | 181.77 |
|
2,335 | 0 | 0 | 0 | 1.46 |
| 311-U1325C- | |||||||
| 1X-2, 0–5 | 190.30 |
|
3,119 | 0 | 0 | 0 | 2.01 |
| 1X-2, 136–141 | 191.66 |
|
3,683 | 0 | 0 | 0 | 2.38 |
| 2X-1, 5–7 | 198.45 |
|
25,679 | 0 | 0 | 0 | 17.01 |
| 2X-1, 8–10 | 198.48 |
|
2,285 | 0 | 0 | 0 | 1.51 |
| 4X-2, 0–5 | 209.24 |
|
4,166 | 0 | 0 | 0 | 2.82 |
| 4X-4, 0–5 | 210.92 |
|
3,244 | 0 | 0 | 0 | 2.19 |
| 6X-2, 0–5 | 218.89 |
|
5,283 | 0 | 0 | 0 | 3.52 |
| 7X-2, 50–55 | 229.20 |
|
4,172 | 0 | 0 | 0 | 2.74 |
| 7X-4, 64–69 | 231.84 |
|
4,040 | 0 | 0 | 0 | 2.65 |
| 8X-2, 72–75 | 239.02 |
|
11,017 | 0 | 0 | 0 | 7.15 |
| 8X-3, 0–5 | 239.15 |
|
2,785 | 0 | 0 | 0 | 1.81 |
| 8X-4, 50–55 | 241.15 |
|
5,061 | 0 | 0 | 0 | 3.27 |
| 9X-2, 95–100 | 248.95 | 5,898 | 3,539 | 0.6 | 0 | 0 | 2.26 |
| 9X-4, 106–111 | 252.06 | 8,020 | 5,614 | 0.7 | 0 | 0 | 3.58 |
| 9X-4, 120–123 | 252.20 |
|
4,775 | 0 | 0 | 0 | 3.04 |
| 11X-2, 100–105 | 259.60 |
|
2,063 | 0 | 0 | 0 | 1.30 |
| 11X-5, 45–50 | 263.55 |
|
2,801 | 0 | 0 | 0 | 1.76 |
| 12X-1, 145–150 | 267.25 |
|
3,671 | 0 | 0 | 0 | 2.29 |
| 14X-3, 0–5 | 286.70 | 6,350 | 2,540 | 0.4 | 0 | 0 | 1.54 |
| 15X-2, 90–95 | 297.04 |
|
2,901 | 0 | 0 | 0 | 1.74 |
| 15X-4, 0–5 | 298.43 | 4,277 | 3,849 | 0.9 | 0 | 0 | 2.31 |
| 311-U1325D- | |||||||
| 1H-1, 135–140 | 1.35 |
|
4.0 | 0 | 0 | 0 | 0.00 |
| 1H-2, 135–140 | 2.85 |
|
5.0 | 0 | 0 | 0 | 0.00 |
| 1H-3, 125–130 | 4.25 |
|
16.6 | 0 | 0 | 0 | 0.01 |
Note: * = dissolved residual methane obtained by the headspace equilibration method.
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