Core, section,
interval (cm) |
Depth
(mbsf) |
CH4
(ppmv) |
C2H6
(ppmv) |
C3H8
(ppmv) |
CH4/
C2H6 |
i-C4H10
(ppmv) |
n-C4H10
(ppmv) |
i-C5H12
(ppmv) |
n-C5H12
(ppmv) |
O2
(ppmv) |
N2
(ppmv) |
CO2
(ppmv) |
---|---|---|---|---|---|---|---|---|---|---|---|---|
205-1254A- |
|
|
|
|
|
|
|
|
|
|
|
|
2R-1, 50-51 | 156.00 | 829,680 | 330 | 8 | 2,518 | 0 | 0 | 0 | 0 | 28,521 | 118,002 | 3,234 |
3R-4, 3-4 | 169.78 | 903,670 | 292 | 8 | 3,090 | 0 | 0 | 0 | 0 | 11,831 | 51,557 | 3,627 |
4R-2, 36-37* | 176.52 | 198 | 0 | 0 | ND | 0 | 0 | 0 | 0 | 193,389 | 769,438 | 291 |
4R-3, 70-71 | 178.36 | 867,016 | 277 | 8 | 3,129 | 0 | 0 | 0 | 0 | 13,884 | 61,465 | 265 |
4R-6, 98-99 | 182.59 | 886,347 | 181 | 9 | 4,908 | 0 | 0 | 0 | 0 | 17,988 | 79,121 | 2,222 |
5R-1, 66-67 | 185.06 | 923,013 | 301 | 17 | 3,069 | 0 | 0 | 0 | 0 | 21,131 | 89,325 | 1,937 |
5R-3, 103-104 | 188.43 | 910,937 | 326 | 20 | 2,792 | 0 | 0 | 0 | 0 | 20,373 | 86,010 | 1,280 |
5R-6, 130-131 | 192.15 | 882,550 | 376 | 26 | 2,346 | 5 | 0 | 0 | 0 | 33,336 | 137,614 | 1,950 |
6R-2, 100-101* | 196.72 | 612,219 | 285 | 27 | 2,149 | 8 | 0 | 0 | 0 | 72,814 | 281,291 | 2,083 |
6R-4, 50-51 | 199.43 | 851,314 | 629 | 25 | 1,353 | 7 | 0 | 0 | 0 | 27,060 | 112,169 | 1,768 |
6R-5, 140-141 | 201.83 | 956,207 | 501 | 51 | 1,908 | 13 | 0 | 3 | 0 | 13,694 | 59,281 | 698 |
7R-1, 50-51 | 204.30 | 894,607 | 473 | 116 | 1,890 | 32 | 0 | 5 | 0 | 35,297 | 133,470 | 1,184 |
7R-3, 50-51 | 207.30 | 938,691 | 796 | 90 | 1,180 | 34 | 0 | 0 | 0 | 7,402 | 38,418 | 807 |
7R-4, 50-51 | 208.80 | 948,471 | 616 | 154 | 1,540 | 39 | 0 | 3 | 0 | 42,842 | 160,431 | 710 |
8R-1, 80-81* | 214.20 | 603,337 | 494 | 211 | 1,222 | 68 | 16 | 8 | 0 | 84,138 | 321,780 | 1,358 |
8R-3, 40-41 | 216.80 | 947,528 | 765 | 326 | 1,239 | 93 | 25 | 10 | 0 | 17,992 | 77,257 | 1,776 |
8R-6, 140-141 | 221.05 | 881,667 | 810 | 196 | 1,088 | 55 | 7 | 5 | 0 | 38,191 | 153,519 | 825 |
9R-1, 149-150 | 301.49 | 928,957 | 572 | 141 | 1,623 | ND | ND | ND | ND | ND | ND | ND |
9R-3, 23-24 | 303.23 | 880,423 | 552 | 139 | 1,594 | 52 | 4 | 7 | 0 | 26,208 | 110,234 | 755 |
9R-6, 60-61 | 306.55 | 895,369 | 689 | 122 | 1,299 | ND | ND | ND | ND | ND | ND | ND |
10R-1, 110-111 | 310.80 | 763,625 | 418 | 139 | 1,825 | 56 | 4 | 8 | 0 | 36,503 | 148,435 | 834 |
10R-3, 55-56 | 313.25 | 881,254 | 448 | 130 | 1,966 | 54 | 4 | 8 | 0 | 6,975 | 32,580 | 561 |
10R-5, 30-31 | 316.00 | 917,558 | 404 | 131 | 2,270 | 49 | 4 | 7 | 0 | 24,725 | 103,840 | 447 |
11R-2, 140-141 | 321.93 | 941,550 | 469 | 178 | 2,008 | 66 | 6 | 12 | 0 | 3,543 | 11,842 | 777 |
11R-4, 90-91* | 324.43 | 588,957 | 322 | 92 | 1,829 | 33 | 0 | 5 | 0 | 421,322 | 523,042 | 461 |
11R-6, 105-106 | 327.17 | 808,098 | 325 | 153 | 2,484 | 19 | 0 | 3 | 0 | 42,381 | 173,592 | 466 |
12R-1, 101-102 | 329.91 | 913,616 | 580 | 77 | 1,576 | 26 | 0 | 4 | 0 | 23,044 | 96,937 | 367 |
12R-2, 55-56 | 330.93 | 798,130 | 407 | 117 | 1,959 | 51 | 4 | 9 | 0 | 37,196 | 151,522 | 546 |
12R-3, 50-51 | 332.38 | 878,941 | 643 | 77 | 1,368 | 29 | 0 | 7 | 0 | 20,894 | 89,300 | 564 |
13R-2, 140-141 | 341.40 | 943,481 | 559 | 248 | 1,687 | 132 | 10 | 16 | 0 | 29,437 | 121,739 | 765 |
13R-5, 30-31 | 344.30 | 892,962 | 430 | 296 | 2,076 | 113 | 9 | 15 | 0 | 31,147 | 127,235 | 655 |
13R-7, 3-4 | 346.67 | 904,545 | 402 | 337 | 2,251 | 132 | 10 | 16 | 0 | 29,437 | 121,739 | 765 |
14R-1, 130-131 | 349.40 | 864,757 | 635 | 346 | 1,362 | 117 | 10 | 15 | 0 | 34,015 | 137,379 | 911 |
14R-4, 20-21 | 351.46 | 920,778 | 589 | 371 | 1,562 | 130 | 12 | 18 | 0 | 19,624 | 83,631 | 1,142 |
14R-6, 25-26 | 354.01 | 875,068 | 747 | 286 | 1,172 | 98 | 10 | 16 | 0 | 26,763 | 103,524 | 654 |
15R-1, 58-59 | 358.28 | 910,096 | 1,091 | 363 | 834 | 158 | 22 | 20 | 0 | 22,175 | 98,782 | 1,032 |
15R-2, 70-71 | 359.90 | 892,257 | 1,524 | 207 | 586 | 85 | 16 | 15 | 0 | 27,493 | 115,613 | 1,865 |
15R-4, 25-26 | 361.40 | 925,039 | 649 | 149 | 1,426 | 52 | 9 | 8 | 0 | 14,101 | 72,954 | 2,253 |
16R-1, 93-94 | 363.63 | 678,436 | 181 | 34 | 3,753 | 4 | 0 | 0 | 0 | 66,636 | 277,600 | 938 |
16R-2, 122-123 | 365.42 | 415,673 | 68 | 8 | 6,085 | 0 | 0 | 0 | 0 | 118,358 | 466,127 | 885 |
16R-4, 32-33 | 366.96 | 43,831 | 5 | 1 | 9,676 | 0 | 0 | 0 | 0 | 182,065 | 735,276 | 354 |
Notes: ppmv = parts per million by volume. * = contamination with air; thus, data points are not plotted in Figure F45. ND = not determined.