|
Core, section,
interval (cm) |
Depth
(mbsf) |
C1
(ppmv) |
C2
(ppmv) |
C3
(ppmv) |
i-C4
(ppmv) |
n-C4
(ppmv) |
H2S
(ppmv) |
CO2
(ppmv) |
O2
(ppmv) |
N2
(ppmv) |
C1/C2
|
|---|---|---|---|---|---|---|---|---|---|---|---|
| 204-1248B- |
|
|
|
|
|
|
|
|
|
|
|
| 1H-1, 50-55 | 0.50 | 970,905 | 1,337 | 14.2 | 7.3 | 4.1 | 11,812 | 2,227 | 1,188 | 1,444 | 726 |
| 1H-CC | 2.22 | 476,042 | 762 | 98.1 | 28.5 | 7.2 |
|
3,072 | 86,386 | 377,811 | 625 |
| 2H-2, 0-25* | 7.37 | 891,709 | 3,197 | 4,379 | 1,459 | 267 |
|
5,196 | 91 | 1,005 | 279 |
| 204-1248C- |
|
|
|
|
|
|
|
|
|
|
|
| 1X-2, 0-10 | 1.48 | 356,583 | 483 | 4.4 | 3.9 |
|
25.0 | 1,186 | 113,053 | 500,804 | 739 |
| 1X-CC* | 2.24 | 969,865 | 1,722 |
|
|
|
|
16,201 | 2,632 | 2,862 | 563 |
| 3X-CC | 22.38 | 943,030 | 1,253 | 23.1 | 12.3 |
|
|
7,863 | 6,954 | 22,746 | 753 |
| 3X-CC | 22.38 | 939,921 | 1,298 |
|
4.5 |
|
|
5,808 | 7,851 | 25,889 | 724 |
| 6H-2, 48-53 | 49.71 | 872,949 | 421 | 19.6 |
|
|
|
3,375 | 23,779 | 88,520 | 2,072 |
| 8H-6, 85-87 | 74.63 | 979,093 | 327 | 13.9 |
|
|
|
5,103 | 23 | 442 | 2,994 |
| 8H-6, 85-87 | 74.63 | 979,018 | 341 | 18.6 |
|
|
|
5,057 | 24 | 400 | 2,874 |
| 10H-1, 100-119 | 87.00 | 845,931 | 419 | 30.3 |
|
|
|
4,193 | 29,324 | 112,138 | 2,017 |
Notes: * = pure gas hydrate sample (minimal contamination from sediment). C1 = methane, C2 = ethane, C3 = propane, i-C4 = isobutane, n-C4 = normal butane, H2S = hydrogen sulfide, CO2 = carbon dioxide, O2 = oxygen, N2 = nitrogen.