Table T14. Hydrocarbon gas composition in void gas, Hole C0022B.
|
Core, section,
interval (cm) |
Depth
(mbsf) |
Headspace gas (ppmv) |
C1/(C2 + C3)
|
δ13C-CH4
(‰ VPDB) |
||
|---|---|---|---|---|---|---|
|
Methane
|
Ethane
|
Propane
|
||||
| 338-C0022B- | ||||||
| 4H-3, 1.5 | 39.7 | 137,966 | 9.2 | 0.5 | 14,226 | –76.1 |
| 5H-3, 7 | 49.7 | 230,640 | 14.0 | 0.8 | 15,578 | –66.3 |
| 7H-3, 3 | 68.7 | 277,990 | 16.7 | 0.8 | 15,881 | –67.4 |
| 8H-2 | 77.4 | 269,648 | 16.5 | 0.6 | 15,766 | –71.4 |
| 9T-3, 18 | 85.2 | 17,097 | 1.4 | ND | 12,555 | –72.0 |
| 10T-4, 73.5 | 92.7 | 32,442 | 3.0 | ND | 10,965 | –71.8 |
| 12X-4 | 102.7 | 17,841 | 1.6 | ND | 11,248 | –72.0 |
| 13X-3 | 106.7 | 26,108 | 2.1 | ND | 12,388 | –72.8 |
| 14X-1, 120 | 110.7 | 1,826 | 0.5 | ND | 3,616 | — |
| 15X-3 | 117.4 | 329,283 | 33.4 | 0.8 | 9,628 | –70.7 |
| 16X-5 | 127.7 | 115,354 | 38.0 | ND | 3,036 | –67.6 |
| 17X-3, 69 | 135.7 | 460 | ND | ND | — | — |
| 18X-2, 122 | 144.7 | 15,696 | 5.4 | ND | 2,900 | –67.4 |
| 19X-6 | 155.4 | 125,903 | 85.4 | ND | 1,474 | — |
| 20X-6 | 194.5 | 127,790 | 29.2 | ND | 4,384 | –72.6 |
| 21X-5 | 203.3 | 15,950 | 3.9 | ND | 4,061 | –73.7 |
| 22X-1, 95 | 210.5 | 297,749 | 69.5 | ND | 4,284 | –74.3 |
| 23X-6, 34 | 223.3 | 323,953 | 71.7 | ND | 4,521 | –73.8 |
| 24X-2, 37 | 268.3 | 249,119 | 57.6 | ND | 4,324 | –72.4 |
| 25X-1, 36 | 276.4 | 59,624 | 13.7 | ND | 4,364 | –69.8 |
| 26X-5 | 290.8 | 25,796 | 6.0 | ND | 4,265 | –71.8 |
| 27X-5 | 294.7 | 83,094 | 20.0 | ND | 4,159 | –63.6 |
| 28X-3 | 297.4 | 260,069 | 56.6 | ND | 4,596 | –64.2 |
| 29X-3 | 301.8 | 143,380 | 34.4 | ND | 4,167 | –72.6 |
| 30X-4, 32 | 308.0 | 165,044 | 36.6 | ND | 4,515 | –72.5 |
| 31X-3, 113 | 317.5 | 217,385 | 42.4 | ND | 5,130 | –64.9 |
| 33X-6, 74.5 | 341.3 | 125,174 | 20.4 | ND | 6,139 | –72.8 |
| 34X-4, 75.5 | 346.5 | 183,589 | 34.8 | ND | 5,269 | –72.3 |
| 34X-5, 132 | 348.5 | 142,556 | 25.9 | ND | 5,497 | –72.3 |
| 35X-5 | 357.8 | 239,433 | 42.7 | ND | 5,607 | –65.6 |
| 36X-6, 107 | 368.5 | 202,443 | 39.7 | ND | 5,095 | –71.6 |
| 38X-8 | 389.7 | 268,957 | 40.6 | ND | 6,630 | –71.1 |
| 39X-4, 58 | 394.8 | 210,219 | 34.0 | ND | 6,189 | –71.1 |
| 40X-4, 15 | 403.9 | 68,482 | 11.3 | ND | 6,084 | –71.3 |
| 41X-4, 47 | 414.1 | 283,733 | 44.7 | ND | 6,352 | –70.1 |
ND = not detected. — = not enough methane to measure δ13C-CH4. VPDB = Vienna Peedee belemnite.
Previous | Close | Next | Top of page