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Table T15. Headspace gas analysis, Holes C0002B and C0002D. (See table note.)

Core, section,
interval (cm)
Depth
CSF (m)
Headspace gas (ppmv) C1/C2
Methane Ethane Propane
315-C0002D-
1H-1, 137–141 1.37 16.7 ND ND
2H-1, 137–141 7.25 96.0 ND ND
3H-1, 137–141 16.75 26,449.5 ND ND
4H-1, 144.5–148.5 26.33 31,389.7 ND ND
5H-1, 137–141 35.75 15,361.3 ND ND
6H-1, 137–140.5 45.25 11,540.6 ND ND
7H-1, 137–141 54.75 6541.5 ND ND
8H-1, 137–141 64.25 14,682.7 ND ND
9H-1, 137–140.5 73.75 8,264.3 ND ND
10H-1, 137–140.5 83.25 8,932.2 ND ND
11H-1, 136.5–140.5 92.75 7,220.4 ND ND
12H-1, 136.3–140.3 102.24 8,608.3 ND ND
13H-3, 132.7–136.7 114.45 9,022.6 ND ND
14H-1, 134.5–138.5 121.23 7,342.2 ND ND
15X-1, 120.5–124.5 130.36 5,253.6 ND ND
16H-1, 136.5–140.5 151.37 2,790.8 ND ND
17X-1, 43–47 159.40 10,466.4 ND ND
315-C0002B-
1R-1, 137.5–141.5 476.38 5,704.1 4.6 ND 1,238
2R-1, 139–143 485.89 3,094.3 4.2 ND 730
3R-1, 119–123 495.19 4,644.2 5.0 ND 936
4R-1, 105.5–109.5 504.56 4,476.3 5.8 ND 776
5R-1, 74.5–78.5 508.75 3,992.8 5.1 ND 778
8R-1, 137–141 534.37 6,091.3 5.8 ND 1,049
9R-1, 136–140 543.86 2,643.5 3.3 ND 802
10R-1, 136.5–140.5 553.37 4,439.8 5.7 ND 783
11R-1, 137–141 562.87 3,166.0 4.7 ND 679
12R-1, 137–141 572.37 2,441.2 2.8 ND 886
13R-1, 137–141 581.87 3,014.6 5.2 ND 585
14R-1, 137–141 591.37 3,446.3 7.1 ND 484
15R-1, 137–141 600.87 4,258.4 5.3 ND 799
16R-1, 137–141 610.37 3,015.1 5.6 ND 540
17R-1, 137.5–141.5 619.88 13,139.3 9.4 ND 1,402
18R-1, 73.5–77.5 628.74 14,752.1 8.7 ND 1,703
19R-1, 137–140.5 638.87 10,677.0 6.1 ND 1,745
20R-3, 137–141 651.20 17,487.6 11.0 ND 1,593
21R-1, 136.5–140.5 657.87 10,810.1 11.1 ND 970
23R-1, 137–141 676.37 3,245.7 6.4 ND 507
24R-1, 137–141 685.87 3,665.4 5.1 ND 718
25R-1, 137–141 695.37 9,848.8 5.3 ND 1,868
26R-1, 125–130 704.75 702.3 3.5 ND 204
27R-1, 105.5–109.5 714.06 12,825.2 12.4 ND 1,030
28R-1, 136.5–140.5 723.87 13,434.5 7.8 ND 1,730
29R-1, 137–141 733.37 17,545.6 12.6 ND 1,396
30R-1, 137–141 742.87 14,525.4 9.8 ND 1,487
31R-1, 137–141 752.37 12,790.8 12.6 ND 1,018
32R-1, 136.7–140.7 761.87 7,894.8 13.8 ND 573
33R-1, 95–99 770.95 19,260.8 20.1 ND 959
36R-1, 136–140 797.36 24,361.6 14.4 ND 1,692
37R-1, 137–141 806.87 1,203.4 2.2 ND 550
38R-1, 137–141 816.37 6,406.9 9.0 ND 710
39R-1, 136–140 825.86 4,238.7 12.4 ND 341
40R-1, 137–141 835.37 10,364.5 15.5 ND 668
41R-1, 137–141 844.87 22,175.6 15.0 ND 1,479
42R-1, 137.5–141.5 854.38 22,533.1 17.3 ND 1,304
43R-1, 137–141 863.87 20,799.8 16.8 ND 1,238
44R-1, 137–141 873.37 15,165.6 12.7 ND 1,196
45R-1, 137–141 882.87 14,803.2 13.0 ND 1,137
46R-1, 136.5–140.5 892.37 15,898.7 17.2 ND 923
47R-1, 137–141 901.87 17,044.1 15.5 ND 1,099
48R-1, 136.5–140.5 911.37 11,065.2 15.0 ND 735
49R-1, 137–141 920.87 31,308.4 36.1 ND 868
51R-1, 135.5–139.5 939.86 4,431.4 26.2 ND 169
52R-1, 99–103 948.99 4,228.9 10.2 ND 415
55R-1, 94.5–98.5 977.45 3,157.0 10.2 ND 311
56R-1, 60–64 986.60 2,145.0 8.3 ND 260
58R-1, 137–141 1006.37 6,669.8 28.9 ND 230
59R-1, 137–141 1010.87 8,824.7 44.8 ND 197
60R-1, 137–141 1015.37 10,576.1 33.7 ND 313
61R-1, 136.5–140.5 1019.87 9,130.7 32.6 ND 280
62R-1, 96–100 1023.96 7,085.2 37.6 9.1 188
63R-1, 137–141 1033.87 6,800.0 38.6 11.1 176
64R-1, 95.5–99.5 1042.96 39,006.7 95.0 19.1 411
65R-1, 138–142 1047.88 38,058.1 84.5 16.2 451

Note: ND = none detected, — = not applicable.

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