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Table T6. Concentrations of light hydrocarbon and nonhydrocarbon gases in void gas samples, Hole U1327C.

Core, section,
interval (cm)		 Depth
(mbsf)		 C1/C2 i-C4/
n-C4 		Hydrocarbons (ppmv) Volatiles (ppmv)
C1 C2 C3 i-C4 n-C4 i-C5 n-C5 H2S CO2 O2 N2
311-U1327C-
4H-1, 36–37 25.46 15,166
636,972 42.0 0 0 0 0 0 0 3,216 60,758 264,576
4H-7, 60–61 34.70 12,994
816,018 62.8 0 0 0 0 0 0 5,158 22,477 101,880
5H-1, 130–131 35.90 12,647
900,487 71.2 0 0 0 0 0 0 4,516 1,667 27,277
5H-4, 75–76 39.85 12,475
881,971 70.7 0 0 0 0 0 0 2,212 56,537 230,819
7H-1, 142–143 47.52 11,811
908,240 76.9 0 0 0 0 0 0 3,179 1,585 25,211
7H-5, 6–7 52.16 11,669
916,043 78.5 0 0.3 0 0 0 0 1,974 107,313 455,483
8H-2, 14–15 57.24 10,556
906,751 85.9 0 0 0 0 0 0 4,024 2,001 15,859
8H-5, 144–145 63.04 10,749
921,149 85.7 0 0.3 0 0 0 0 3,427 970 10,119
9H-2, 84–85 67.44 10,496
921,587 87.8 0 0 0 0 0 0 3,125 1,163 10,067
9H-5, 114–115 72.24 10,755
908,827 84.5 0 0 0 0 0 0 1,874 22,307 4,853
10H-2, 38–39 76.48 10,928 0.00 970,371 88.8 0 0 0.2 0 0 0 2,271 1,247 9,527
10H-6, 50–51 81.25 10,101
924,273 91.5 0 0 0 0 0 0 1,320 1,240 8,698
11H-3, 60–61 87.70 9,005 0.00 824,878 91.6 0 0 0.3 0 0 0 2,649 24,489 94,881
11H-6, 38–39 91.98 9,110 0.00 921,891 101.2 0 0 0.4 0 0 0 2,788 1,119 6,768
12X-3, 7–8 94.83 9,415 0.00 972,591 103.3 0 0 0.4 0 0 0 2,538 816 6,128
12X-5, 67–68 98.29 8,583 0.00 977,551 113.9 0 0 0.4 0 0 0 3,159 1,195 7,945
13X-2, 52–53 104.52 7,279 0.00 920,090 126.4 0 0 1.4 0 0 0 5,502 974 6,800
13X-4, 109–110 108.09 7,107 0.75 945,879 133.1 0 0.6 0.8 1.9 0.6 0 3,059 22,433 76,958
14X-1, 144–145 113.54 5,647 0.88 890,606 157.7 0 0.7 0.8 0.3 0.6 0 3,148 36,874 137,664
16X-4, 34–35 128.54 3,208 1.92 923,798 288.0 0 2.5 1.3 1.5 16.8 0 3,482 23,751 82,624
19X-4, 67–68 155.27 2,060 3.00 928,842 450.8 8.5 5.7 1.9 2 0.8 0 3,389 22,404 80,418
19X-5, 85–86 156.95 1,885 3.41 930,685 493.7 13.7 9.2 2.7 4.2 11.6 0 2,642 18,789 67,042
20X-2, 77–78 163.07 1,508 2.11 929,239 616.3 6.3 3.8 1.8 1.7 1 0 746 41,677 161,687
21X-2, 80–81 172.70 1,363 3.48 932,811 684.6 15.9 8 2.3 1.9 0 0 1,501 589 3,439
21X-5, 4–5 176.06 1,058 3.30 936,687 885.0 7.8 7.6 2.3 2.3 0 0 2,283 603 3,551
22X-2, 64–65 181.91 1,447 3.80 929,095 642.2 17.5 11.4 3 2.7 0 0 1,419 563 8,697
22X-4, 49–50 184.50 984 3.41 930,897 946.5 12.7 7.5 2.2 2.5 0 0 1,330 533 6,130
23X-2, 1–2 191.32 1,189 3.74 925,101 778.3 14.6 10.1 2.7 3 0 0 1,715 1,038 7,090
23X-4, 42–43 194.12 1,119 3.72 926,699 827.8 13 9.3 2.5 3 0 0 1,491 914 5,909
25X-2, 45–50 200.56 792 3.60 914,021 1,153.5 0 1.8 0.5 1 0 0 1,801 3,054 11,347
26X-1, 113–118 210.03 1,122 7.82 920,562 820.4 13.7 13.3 1.7 5.3 0 0 1,786 1,675 8,323
26X-4, 104–105 214.08 1,362 9.94 930,568 683.0 9.2 16.9 1.7 6.4 0 0 1,743 1,390 7,029
27X-2, 9–10 219.97 906 3.43 720,671 795.7 0 4.8 1.4 3.2 0.8 0 1,132 65,776 257,359
27X-5, 49–50 224.62 1,134 4.12 702,970 620.1 6.3 10.7 2.6 5.2 1 0 3,075 71,573 281,998
28X-2, 18–19 229.78 936 1.63 925,879 988.8 0 2.6 1.6 3.8 0.7 0 1,857 22,505 81,837
28X-3, 124–125 232.19 1,404 1.21 930,690 662.9 11.6 2.9 2.4 3.6 0.9 0 850 23,705 86,800
29X-1, 128–129 238.98 1,658 0.94 929,921 561.0 11.5 1.5 1.6 7.9 1 0 3,829 19,615 74,945
29X-4, 60–61 242.80 2,055 1.00 931,879 453.5 17.3 1.7 1.7 3.4 0.8 0 1,257 20,350 76,584
30X-1, 80–81 248.20 1,860 0.85 929,851 499.9 14.7 1.7 2 6.6 0.5 0 3,151 17,423 64,580
30X-3, 41–42 250.49 2,318 0.75 934,275 403.1 12 1.5 2 3 0.7 0 1,791 21,994 80,898
31X-2, 127–128 259.87 4,030 0.22 936,281 232.3 15.4 0.2 0.9 0 0 0 2,583 383 3,384
31X-4, 29–30 261.85 3,671 0.69 928,080 252.8 14.6 0.9 1.3 2 0.8 0 3,450 21,988 80,283
32X-5, 94–95 273.64 2,698 1.40 936,925 347.3 6.5 0.7 0.5 0.5 0 0 489 192 1,684
33X-2, 11–12 277.91 1,809 0.94 923,510 510.5 11.7 1.5 1.6 8.4 1.1 0 6,959 22,699 83,386
34X-5, 100–101 292.90 2,394 0.93 932,613 389.5 8.7 1.3 1.4 2 0.9 0 5,053 20,598 77,062
35X-3, 81–82 299.31 2,634 1.67 826,810 313.9 12.8 0.5 0.3 0.4 0 0 8,599 23,157 89,309

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