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Table T19. Headspace wet gas composition, Site U1352. (See table notes.)

Core, section,
interval (cm)
Depth
CSF-A (m)
C1
(ppmv)
C2
(ppmv)
C3
(ppmv)
n-C4
(ppmv)
i-C4
(ppmv)
n-C5
(ppmv)
i-C5
(ppmv)
br-C6
(ppmv)
CO2
(ppmv)
C1/C2 n-C4/(i-C4 + n-C4)
(%)
n-C5/(i-C5 + n-C5)
(%)
317-U1352B-
75X-4, 0 652.80 7,364 17.0 6.4 0.41 5.40 0.00 2.06 0.34 ND 433 7.0 0.0
317-U1352C-
14R-2, 79 739.79 11,821 27.4 21.5 1.95 14.62 0.00 11.22 0.00 487 431 11.8 0.0
15R-2, 102 749.58 5,593 12.8 9.4 0.00 0.00 0.00 174.12 0.00 532 436 ND 0.0
16R-2, 0 758.27 2,201 3.2 1.7 0.00 2.57 0.00 2.10 0.00 410 687 0.0 0.0
17R-2, 0 768.07 6,361 14.6 11.3 0.00 0.00 0.00 0.00 0.00 658 437 ND ND
18R-3, 87 779.68 3,851 7.7 6.1 0.00 0.00 0.00 0.00 0.00 406 501 ND ND
19R-2, 0 787.50 10,336 31.3 31.4 0.00 336.06 0.00 284.88 0.00 207 330 0.0 0.0
20R-2, 0 797.09 3,310 9.8 9.4 0.00 0.00 0.00 0.00 0.00 632 337 ND ND
21R-2, 0 806.80 7,071 15.4 12.2 1.35 11.41 0.00 4.17 0.00 234 459 10.6 0.0
22R-2, 0 816.42 9,388 26.0 24.4 1.91 16.07 0.00 6.93 0.00 1,003 361 10.6 0.0
24R-2, 0 835.63 12,979 31.0 23.5 0.00 39.78 0.00 16.15 0.00 121 418 0.0 0.0
25R-2, 0 845.30 4,490 13.0 12.0 1.15 10.98 0.00 4.34 0.00 186 344 9.5 0.0
26R-2, 70 855.28 1,718 5.0 4.2 0.00 61.97 0.00 0.00 0.00 372 345 0.0 ND
27R-2, 56 864.56 6,285 17.8 14.3 1.09 9.63 0.00 3.70 0.00 116 353 10.1 0.0
28R-1, 126 873.86 9,454 27.5 22.0 0.00 0.00 0.00 0.00 0.00 517 344 ND ND
29R-2, 0 883.23 5,046 15.7 13.6 0.00 14.61 0.00 6.05 0.00 26 322 0.0 0.0
30R-1, 148 893.28 2,543 9.7 12.6 1.25 9.92 0.00 4.91 0.00 154 261 11.2 0.0
31R-1, 124 902.54 6,316 20.9 21.1 1.58 11.31 0.00 5.14 0.00 449 303 12.2 0.0
32R-1, 120 912.10 3,173 13.1 16.8 2.92 17.86 0.00 11.35 0.00 184 243 14.1 0.0
33R-3, 0 923.25 5,267 23.1 25.4 3.46 23.26 0.00 13.39 0.00 85 228 12.9 0.0
34R-2, 0 931.17 3,604 15.3 15.3 1.57 8.77 0.00 5.37 0.00 140 236 15.2 0.0
35R-2, 0 941.20 4,132 16.5 14.9 2.25 12.26 0.00 9.06 0.00 125 250 15.5 0.0
36R-3, 0 952.40 993 6.8 6.2 1.51 5.80 0.00 4.65 0.00 364 145 20.7 0.0
37R-3, 115 962.81 2,284 12.4 9.3 0.91 4.22 0.00 2.96 0.00 789 184 17.7 0.0
38R-4, 0 973.00 6,013 30.9 29.0 0.00 142.90 0.00 140.55 0.00 225 195 0.0 0.0
39R-5, 0 984.10 2,687 19.8 22.0 0.00 0.00 0.00 0.00 0.00 342 136 ND ND
40R-2, 0 989.01 6,032 33.3 32.9 2.53 11.99 0.91 8.31 0.62 668 181 17.5 9.8
41R-5, 0 1003.30 7,078 46.8 60.7 7.24 29.31 2.42 21.00 1.34 104 151 19.8 10.3
42R-4, 0 1010.94 1,047 5.0 5.2 1.04 3.63 0.00 2.38 0.00 141 210 22.2 0.0
43R-2, 0 1017.93 2,555 17.7 20.3 2.12 7.92 0.00 5.17 0.00 770 144 21.1 0.0
44R-3, 0 1029.10 3,972 26.9 31.0 2.96 11.18 0.61 7.50 0.72 733 148 20.9 7.5
45R-2, 0 1037.11 1,342 8.8 12.1 1.35 4.61 0.00 3.64 0.00 557 153 22.7 0.0
46R-2, 148 1048.22 998 7.5 11.1 1.43 4.72 0.00 3.65 0.00 1,063 134 23.3 0.0
47R-2, 0 1056.18 1,587 12.8 16.4 1.98 6.28 0.00 4.98 0.51 269 124 24.0 0.0
48R-2, 0 1065.88 1,818 16.9 23.4 2.58 7.73 0.74 5.79 0.50 769 108 25.0 11.4
49R-3, 0 1076.77 2,480 18.0 22.4 2.97 8.31 0.00 6.09 0.00 608 138 26.3 0.0
50R-6, 0 1092.25 449 7.2 13.1 1.87 5.14 0.00 4.09 0.00 310 62 26.7 0.0
51R-3, 145 1097.32 2,585 23.4 29.4 3.26 9.50 0.91 7.31 0.57 348 110 25.5 11.1
52R-2, 0 1103.90 4,579 38.8 38.6 3.21 9.45 0.00 4.89 0.00 832 118 25.4 0.0
53R-2, 0 1113.54 1,684 17.1 19.6 2.31 6.28 0.00 4.55 0.00 1,348 98 26.9 0.0
54R-4, 0 1126.18 3,135 30.1 31.5 2.89 8.00 0.68 4.72 0.52 1,962 104 26.5 12.7
55R-4, 0 1135.50 3,453 40.3 47.4 4.72 13.58 1.34 8.18 0.64 1,681 86 25.8 14.1
56R-4, 0 1145.28 384 9.1 17.2 2.45 7.32 0.00 5.83 0.00 1,607 42 25.0 0.0
57R-2, 149 1153.49 1,590 20.0 23.7 2.82 8.07 0.00 5.26 0.00 1,041 80 25.9 0.0
58R-5, 0 1164.57 1,208 17.1 22.6 2.96 8.71 0.81 6.81 0.41 561 71 25.3 10.7
59R-7, 0 1178.70 5,057 63.2 64.0 6.42 19.42 1.07 10.67 0.54 559 80 24.8 9.1
60R-4, 0 1183.90 3,193 40.3 38.4 57.75 163.06 0.00 119.41 0.00 150 79 26.2 0.0
61R-4, 0 1193.50 4,052 54.5 54.7 8.57 21.51 1.40 13.93 1.01 44 74 28.5 9.1
62R-3, 0 1201.60 2,908 44.4 49.6 8.63 19.70 1.44 14.20 0.62 486 66 30.5 9.2
63R-CC, 0 1208.20 3,376 58.3 69.9 14.36 32.00 2.69 22.18 0.94 183 58 31.0 10.8
65R-1, 0 1221.40 3,629 60.4 64.2 10.90 20.34 2.10 14.63 0.92 1,440 60 34.9 12.6
70R-4, 0 1251.16 1,747 17.4 10.2 11.33 16.44 2.20 13.68 0.84 1,338 101 40.8 13.9
71R-3, 0 1259.30 2,238 38.2 31.5 5.75 7.96 0.97 6.57 0.00 1,367 59 41.9 12.9
72R-1, 0 1265.80 3,195 61.7 56.9 13.85 17.21 0.00 10.56 0.00 1,515 52 44.6 0.0
73R-3, 0 1278.00 1,990 38.6 31.9 6.61 8.96 1.14 8.41 0.00 704 52 42.5 12.0
76R-1, 107 1304.97 1,331 32.5 30.2 5.99 8.18 0.94 6.77 0.00 333 41 42.3 12.2
77R-1, 145 1309.85 420 10.1 9.5 2.30 3.12 0.00 2.77 0.00 1,726 42 42.4 0.0
78R-2, 145 1316.29 518 12.8 9.4 1.45 2.18 0.00 1.56 0.00 1,394 41 39.9 0.0
79R-1, 145 1319.35 719 17.0 12.9 2.26 3.27 0.00 2.31 0.00 1,958 42 40.9 0.0
80R-2, 145 1325.85 145 3.7 3.3 0.95 1.54 0.00 1.24 0.00 1,979 40 38.0 0.0
81R-2, 0 1329.00 68 2.9 2.6 0.68 1.01 0.00 0.58 0.00 1,255 23 40.2 0.0
82R-1, 41 1332.91 358 7.9 5.1 0.82 1.46 0.00 0.73 0.00 923 45 36.1 0.0
84R-CC, 5 1342.15 240 9.0 8.1 1.33 2.18 0.00 1.26 0.00 1,272 27 37.9 0.0
85R-3, 149 1351.19 369 9.4 2.9 0.00 0.62 0.00 0.00 0.00 1,510 39 0.0 ND
86R-2, 0 1353.16 224 6.6 2.8 0.00 0.74 0.00 0.00 0.00 2,291 34 0.0 ND
87R-5, 0 1367.40 68 3.4 0.5 0.00 0.00 0.00 0.00 0.00 1,183 20 ND ND
88R-4, 0 1375.50 116 8.3 0.8 0.00 0.00 0.00 0.00 0.00 3,173 14 ND ND
89R-4, 0 1384.89 42 5.9 0.0 0.00 0.00 0.00 0.00 0.00 1,039 7 ND ND
90R-3, 0 1393.20 49 5.7 0.0 0.00 0.00 0.00 0.00 0.00 2,477 9 ND ND
91R-5, 0 1405.70 78 3.6 0.0 0.00 0.00 0.00 0.00 0.00 728 21 ND ND
94R-6, 0 1436.10 551 14.4 0.0 0.93 0.66 0.00 1.32 0.00 58 38 58.3 0.0
95R-4, 0 1442.80 514 12.2 0.0 0.44 0.45 0.00 0.56 0.00 60 42 49.0 0.0
99R-1, 0 1477.00 1,710 33.2 2.9 1.99 1.42 0.00 2.85 0.00 186 51 58.3 0.0
103R-5, 0 1512.10 4,282 83.0 7.9 3.29 3.71 0.93 5.51 0.40 410 52 47.0 14.5
104R-5, 0 1521.80 3,909 77.5 7.1 2.30 3.64 0.52 4.29 0.00 316 50 38.7 10.9
105R-6, 0 1532.73 3,961 68.3 5.5 1.36 3.15 0.37 3.45 0.00 75 58 30.1 9.7
106R-3, 0 1538.20 10,228 188.7 16.9 2.91 7.97 1.44 9.62 0.00 182 54 26.7 13.0
107R-6, 0 1552.37 3,546 63.8 3.9 0.64 2.25 0.00 2.11 0.00 386 56 22.3 0.0
108R-2, 0 1556.05 3,540 71.8 5.3 1.39 2.30 0.00 2.74 0.00 1290 49 37.5 0.0
109R-3, 0 1567.24 6,001 133.2 15.3 1.30 6.12 0.00 6.12 0.00 211 45 17.5 0.0
110R-2, 0 1575.57 3,220 56.2 5.3 0.55 2.24 0.00 2.29 0.00 2,314 57 19.8 0.0
111R-2, 1.4 1586.63 4,880 96.2 10.5 0.86 4.01 0.00 4.40 0.00 1,092 51 17.7 0.0
112R-1, 1.4 1594.91 4,066 73.3 7.4 0.54 3.08 0.00 2.96 0.00 894 55 14.9 0.0
113R-4, 1.4 1609.14 4,893 91.3 10.6 0.93 3.65 0.00 3.65 0.00 393 54 20.4 0.0
114R-2, 1.5 1615.89 4,446 91.8 13.8 0.85 4.48 0.35 4.78 0.26 96 48 15.9 6.9
115R-4, 0 1627.20 6,534 120.8 17.4 1.01 5.12 0.41 4.52 0.00 1,029 54 16.5 8.3
116R-2, 1.4 1635.38 3,178 92 17.39 1.14 5.31 0.00 4.41 0.00 947 35 17.7 0.0
117R-5, 0 1647.27 8,769 206 47.46 3.21 15.75 1.32 17.86 0.72 1,677 42 16.9 6.9
118R-6, 0 1658.02 3,151 122 34.42 6.60 13.27 1.14 17.66 0.96 6,480 26 33.2 6.1
119R-4, 0 1666.00 9,951 184 47.85 2.88 12.40 1.02 12.46 0.00 989 54 18.9 7.5
120R-CC, 0.5 1669.36 21,832 445 136.97 15.35 42.13 3.61 50.72 1.15 1,487 49 26.7 6.7
121R-CC, 0.1 1678.60 6,817 175 58.16 6.63 16.37 1.33 18.50 0.00 837 39 28.8 6.7
122R-2, 0 1689.60 18,311 333 108.49 18.50 30.88 3.63 36.42 0.95 949 55 37.5 9.1
123R-3, 0.1 1696.41 8,713 159 46.16 9.01 12.63 1.39 14.43 0.00 703 55 41.6 8.8
124R-4, 1.5 1703.43 11,331 197 61.48 14.39 17.78 3.50 24.33 1.17 294 57 44.7 12.6
125R-2, 0 1708.50 6,200 106 29.55 7.55 8.79 1.64 11.29 0.32 355 59 46.2 12.6
126R-4, 0 1721.00 6,526 106 28.04 7.51 8.21 1.61 11.02 0.36 580 61 47.8 12.7
127R-1, 1.5 1727.69 5,394 83 19.24 5.80 6.27 1.30 8.16 0.60 339 65 48.1 13.7
128R-3, 0 1738.80 7,763 135 40.38 14.71 15.83 4.49 22.45 2.47 94 57 48.2 16.7
129R-3, 114 1749.48 4,986 71 12.73 2.37 2.80 0.00 2.90 0.00 710 70 45.8 0.0
130R-3, 0 1757.98 17,588 247 56.95 13.77 15.13 4.48 20.30 2.50 834 71 47.6 18.1
131R-2, 0 1766.02 9,421 144 36.71 11.73 12.78 4.52 20.45 3.84 2,120 65 47.9 18.1
132R-2, 0 1775.67 10,727 165 43.07 12.06 13.00 4.07 19.03 2.64 1,669 65 48.1 17.6
133R-4, 0 1788.08 5,580 90 17.47 3.91 4.79 0.91 5.07 0.00 417 62 45.0 15.2
134R-2, 114 1795.77 5,942 82 13.21 2.40 2.93 0.00 2.76 0.00 854 73 45.0 0.0
135R-3, 0 1805.89 10,613 141 27.16 4.88 5.93 1.11 5.56 0.00 742 75 45.1 16.6
136R-2, 0 1814.12 10,058 155 30.81 5.50 6.31 1.20 6.75 0.44 528 65 46.5 15.1
137R-2, 0 1823.80 4,250 58 10.22 2.33 2.46 0.47 2.75 0.00 600 73 48.6 14.5
138R-6, 0 1839.39 13,890 187 29.73 5.26 6.64 1.15 5.44 0.00 290 74 44.2 17.5
139R-4, 0 1845.89 2,385 54 15.51 4.58 5.04 1.52 6.67 0.00 283 44 47.6 18.6
140R-1, 0 1851.10 13,605 183 33.42 5.82 7.18 1.59 6.85 1.15 470 74 44.7 18.8
141R-2, 0 1862.02 16,754 234 41.65 6.33 8.00 1.21 5.64 0.00 1,325 72 44.2 17.6
142R-1, 0 1870.40 12,163 176 35.06 6.43 7.59 1.97 7.94 1.69 849 69 45.9 19.9
143R-1, 149 1876.49 5,301 84 15.42 3.01 3.42 0.76 3.29 0.00 931 63 46.8 18.9
144R-3, 101 1883.96 6,144 87 13.05 2.25 2.59 0.00 1.90 0.00 867 71 46.5 0.0
145R-1, 144 1890.94 7,065 105 17.42 3.00 3.73 0.59 2.95 0.34 1,190 67 44.6 16.7
146R-2, 5 1900.25 7,412 118 20.19 3.51 4.17 0.91 3.33 0.58 1,898 63 45.7 21.4
147R-4, 0 1912.68 15,971 239 39.71 6.37 7.94 1.28 5.68 0.00 598 67 44.5 18.5
148R-4, 0 1922.35 14,976 227 37.39 6.16 7.37 1.17 4.44 0.37 530 66 45.5 20.8

Notes: C1–C3 analyzed on GC3. C1 and C4–C6 analyzed on natural gas analyzer (NGA) and normalized to methane in GC3 analysis. Exception: Core 317-U1352C-72R-1 normalized to ethane. CO2 analyzed by thermal conductivity detector on NGA. br-C6 is the peak eluting before n-C6, which may include as many as five branched C6 alkane isomers. ND = not determined.

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