Table T13. Composition of vacutainer gases, Hole 1254A.
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.