Table T10. Methane concentrations at Site 1144 as obtained by headspace and void-space analysis.
| Core,
section, interval (cm) |
Depth | HS
CH4 concentration (ppmv) |
HS
CH4 concentration (ppmv) [normalized] |
VS
CH4 concentration (ppmv) |
|
|---|---|---|---|---|---|
| (mbsf) | (mcd) | ||||
| 184-1144A- | |||||
| 1H-3, 0-5 | 3.00 | 3.46 | 2.7 | 2 | |
| 2H-5, 0-5 | 12.90 | 14.69 | 4,847.0 | 5,043 | |
| 3H-4, 0-5 | 20.90 | 22.47 | 64,982.0 | 81,532 | |
| 4H-4, 0-5 | 30.44 | 31.79 | 37,684.0 | 53,586 | 380,821 |
| 5H-4, 0-5 | 39.90 | 41.39 | 48,919.0 | 43,028 | 328,217 |
| 6H-4, 0-5 | 49.40 | 52.83 | 48,248.0 | 50,821 | |
| 7H-4, 0-5 | 58.59 | 63.85 | 33,680.0 | 43,539 | 460,847 |
| 8H-4, 0-5 | 68.40 | 75.13 | 32,675.0 | 31,324 | 381,037 |
| 9H-4, 0-5 | 77.90 | 84.29 | 35,151.0 | 29,694 | 237,306 |
| 10H-4, 0-5 | 87.40 | 95.67 | 42,972.0 | 35,253 | 345,306 |
| 11H-3, 0-5 | 95.40 | 103.73 | 18,813.0 | 20,064 | 427,502 |
| 12H-3, 0-5 | 104.90 | 116.70 | 25,773.0 | 24,707 | 315,557 |
| 13H-3, 0-5 | 114.40 | 126.03 | 19,244.0 | 21,050 | 361,280 |
| 14H-3, 0-5 | 123.41 | 134.93 | 11,531.0 | 9,938 | 370,530 |
| 15H-3, 0-5 | 133.45 | 145.11 | 24,834.0 | 23,542 | 281,964 |
| 16H-3, 0-5 | 142.82 | 154.62 | 13,537.0 | 11,785 | 260,501 |
| 17H-3, 0-5 | 152.36 | 164.48 | 12,742.0 | 14,119 | 451,468 |
| 18H-3, 0-5 | 161.90 | 176.07 | 7,759.0 | 7,118 | 391,125 |
| 19H-3, 0-5 | 171.40 | 188.07 | 9,963.0 | 16,347 | 559,544 |
| 20H-3, 0-5 | 180.90 | 197.71 | 3,862.0 | 5,884 | 759,284 |
| 21H-3, 0-5 | 190.40 | 208.52 | 12,125.0 | 16,164 | |
| 22H-3, 0-5 | 199.90 | 218.77 | 6,193.0 | 7,770 | 693,133 |
| 23H-4, 10-15 | 210.74 | 230.06 | 14,613.0 | 15,585 | 57,014 |
| 24H-4, 0-5 | 220.40 | 243.40 | 11,492.0 | 12,570 | 664,711 |
| 25H-4, 0-5 | 229.90 | 255.81 | 11,028.0 | 16,507 | 711,319 |
| 26X-4, 0-5 | 239.40 | 264.65 | 14,438.0 | 12,196 | 715,168 |
| 27X-4, 0-5 | 245.80 | 273.09 | 11,624.0 | 16,258 | |
| 28X-4, 0-5 | 255.40 | 283.67 | 11,794.0 | 15,019 | 588,091 |
| 29X-3, 0-5 | 263.50 | 291.95 | 25,198.0 | 26,542 | 284,481 |
| 31X-4, 0-5 | 284.20 | 315.33 | 22,170.0 | 19,106 | 301,996 |
| 32X-4, 0-5 | 293.80 | 326.58 | 19,789.0 | 23,780 | 363,408 |
| 33X-4, 0-5 | 303.50 | 337.72 | 21,819.0 | 25,501 | 320,896 |
| 34X-4, 0-5 | 313.10 | 346.64 | 23,760.0 | 23,849 | 580,584 |
| 35X-4, 0-5 | 322.70 | 360.24 | 17,484.0 | 21,310 | 367,427 |
| 36X-4, 0-5 | 332.40 | 374.89 | 21,003.0 | 22,974 | |
| 37X-3, 0-5 | 340.50 | 381.05 | 54,131.0 | 40,512 | |
| 38X-3, 0-5 | 350.10 | 394.25 | 37,515.0 | 29,637 | |
| 39X-3, 0-5 | 359.70 | 404.45 | 46,061.0 | 35,088 | |
| 40X-3, 0-5 | 369.40 | 415.85 | 60,589.0 | 43,440 | |
| 41X-3, 0-5 | 379.00 | 428.97 | 31,812.0 | 29,502 | |
| 42X-3, 0-5 | 388.60 | 439.76 | 26,980.0 | 25,577 | |
| 43X-3, 0-5 | 398.20 | 451.20 | 36,020.0 | 28,456 | |
| 44X-3, 0-5 | 407.80 | 463.54 | 17,095.0 | 22,790 | |
| 45X-3, 0-5 | 417.41 | 474.59 | 22,700.0 | 17,607 | |
| 46X-3, 0-5 | 427.00 | 486.21 | 8,225.0 | 8,256 | |
| 47X-3, 0-5 | 436.40 | 498.53 | 5,783.0 | 4,790 | |
| 48X-3, 0-5 | 446.01 | 511.61 | 2,925.0 | 2,290 | |
Notes: Headspace normalized to weight of sample is also listed. HS = headspace, VS = void space.