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Table T21. Headspace sample hydrocarbon concentrations, Hole U1385A.

Core, section,
interval (cm)
Concentration (ppmv)
Methane Ethane Ethene
339-U1385A-      
1H-1, 116–121 6.75
2H-7, 0–5 4.49
3H-7, 0–5 2.88
4H-7, 0–5 3.05
5H-7, 0–5 3.70
6H-7, 0–5 107.47
7H-7, 0–5 11,600.39
8H-7, 0–5 29,710.00 0.76
9H-7, 0–5 60,850.40 1.56
10H-7, 0–5 68,269.83 1.63
11H-6, 0–5 87,447.83 2.46
12H-7, 0–5 79,673.24 2.14 1.05
13H-7, 0–5 53,994.54 1.66 0.45
14H-6, 0–5 68,375.44 2.13 0.69
15H-6, 0–5 43,811.24 1.42 0.00
16H-6, 0–5 64,125.15 2.07 1.23
17H-5, 0–5 56,190.83 1.87 0.75

— = no data.

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