Table T13. Methane, ethane, ethene, propane, butane, and pentane concentrations obtained by headspace analysis, Hole 1148B.

Core, section,
interval (cm)
Depth C1/C2 C1
(ppmv)
C2
(ppmv)
C2=
(ppmv)
C3
(ppmv)
I-C4
(ppmv)
N-C4
(ppmv)
I-C5
(ppmv)
N-C5
(ppmv)
I-C6
(ppmv)
N-C6
(ppmv)
(mbsf) (mcd)
184-1148B-












34X-4, 0-5 607.90 614.15 21.4 307.4 14.4
6.3





35X-4, 0-5 617.50 623.75 21.6 170.6 7.9
3.2





36X-4, 0-5 627.10 633.35 19.4 102.1 5.3
2.1


7.7

36X-CC, 38-43 631.60 637.85 20.1 198.8 9.9 0.2 4.1





37X-4, 0-5 636.70 642.95 20.1 282.8 14.1
0.4





37X-CC, 26-31 640.97 647.22 7.5 145.5 19.4
3.6


7.3

38X-CC, 25-30 645.94 652.19 18.2 272.5 15.0
7.0





39X-CC, 27-29 709.49 715.74 16.3 125.9 7.7 0.1 4.0

5.8 11.5

40X-CC, 29-31 719.17 725.42 17.3 53.6 3.1
1.5


6.8

41X-CC, 37-39 727.74 733.99 15.6 101.9 6.6 0.1 3.7 6.7 9.4 6.5 16.5 5.4 6.4
42X-CC, 33-35 738.38 744.63 6.1 190.3 31.1 0.2 9.8 19.1 16.8 16.7 42.8
11.0
43X-CC, 0-5 747.72 753.97 5.0 166.5 33.1 0.1 8.3 26.0 18.6 22.5 49.5 8.0 11.3
44X-CC, 0-5 757.28 763.53 4.0 94.3 23.5 0.2 3.7 16.6 13.2 9.5 25.5

45X-CC, 0-5 763.92 770.17 4.3 70.4 16.5
2.7 10.6 7.1 7.4 17.5
4.9
46X-CC, 0-5 773.72 779.97 4.3 105.2 24.3
5.0 14.3 13.7 11.7 27.4 3.2 5.0
47X-CC, 33-34 782.30 788.55 11.7 88.7 7.6
5.1 10.4 9.3 7.7 19.7 10.4 7.7
48X-CC, 24-25 787.53 793.78 4.9 82.7 17.0
5.3 10.5 13.9 8.2 26.7

49X-CC, 34-35 798.65 804.90 10.5 87.3 8.3 0.1 9.4 11.2 11.3 12.0 33.0 13.7 10.6
50X-CC, 23-24 808.81 815.06 17.8 65.9 3.7
3.2 6.0
5.4 12.3

51X-CC, 25-27 811.85 818.10 13.8 76.6 5.6
3.3 7.2

13.2

52X-CC, 31-32 815.94 822.19 14.1 76.4 5.4
4.5

6.9 14.5

53X-CC, 22-23 820.54 826.79 12.5 108.5 8.7
5.9 6.6 4.8 5.1 11.8

54X-CC, 0-5 824.62 830.87 12.7 91.7 7.2 0.1 5.8 7.6 8.5 9.7 22.5
12.7
55X-CC, 0-5 835.39 841.64 11.4 77.9 6.8 0.1 5.7 8.7 5.3 7.5 18.0 9.4 8.6
56X-CC, 30-31 845.06 851.31 18.1 38.1 2.1 0.1 4.0

7.9 13.4
11.2