Table T6. Concentration of light hydrocarbon and nonhydrocarbon gases in VAC samples of core gas void, Holes 1248B and 1248C.
Core, section,
interval (cm)
Depth
(mbsf)
C1
(ppmv)
C2
(ppmv)
C3
(ppmv)
i-C4
(ppmv)
n-C4
(ppmv)
i-C5
(ppmv)
n-C5
(ppmv)
i-C6
(ppmv)
n-C6
(ppmv)
H2S
(ppmv)
CO2
(ppmv)
O2
(ppmv)
N2
(ppmv)
C1/C2
204-1248B-














2H-2, 70-71 8.07 858,023 1,731 88.4 30.9 8.6




12,554 1,736 1,286 496
2H-3, 50-51 8.75 834,876 1,698 84.6 28.6 4.8




11,793 1,677 1,219 492
204-1248C-














1X-1, 100-101 1.00 948,012 1,282 27.3 15.7 5.1



4,276 3,305 7,448 23,982 740
3X-2, 113-114 1.83 958,373 928 10.5 6.9





16,201 2,632 2,679 1,033
5X-1, 148-149 39.88 935,862 470 166.4 94.9 47.9 18.9



39,401 2,269 3,202 1,991
6H-3, 99-100 50.75 511,882 160 72.0 11.9 7.8




8,362 93,230 364,922 3,201
6H-5, 69-70 53.13 972,788 320 50.1 6.2 4.3




6,238 95 961 3,037
6H-6, 120-121 55.14 936,879 321 52.0 6.2 4.4




5,947 9,092 29,497 2,920
7H-4, 20-21 62.20 966,565 203 112.4 18.1 10.9




5,575 1,995 1,754 4,759
7H-6, 4-5 65.04 927,900 102 173.5 NA NA NA NA NA NA NA NA NA NA 9,106
8H-2, 15-16 68.65 770,525 129 113.2 20.3 10.9




15,439 43,174 167,507 5,974
8H-3, 2-3 69.99 975,948 360 25.1






6,128 1,457 993 2,711
8H-5, 6-7 72.96 871,816 172 114.8 NA NA NA NA NA NA NA NA NA NA 5,063
9H-2, 20-21 78.20 955,294 284 40.0 NA NA NA NA NA NA NA NA NA NA 3,361
9H-6, 99-100 84.99 972,360 189 84.5 11.0 5.8




10,313 1,033 1,056 5,139
10H-5, 132-133 92.91 964,287 141 118.9 14.3 7.5




15,771 1,421 1,335 6,844
10H-5, 132-133 92.91 950,209 137 116.2 NA NA NA NA NA NA NA NA NA NA 6,956
11H-4, 70-71 99.84 979,838 178 96.8 NA NA NA NA NA NA NA NA NA NA 5,495
11H-4, 70-71 99.84 974,197 175.3 100.9 8.8 4.4




8,668 56 963 5,557
11H-6, 28-29 101.54 923,730 183.4 129.7 18.8 9.2




51,628 3,352 6,972 5,037
12H-2, 98-99 107.48 974,347 430.7 83.1 6.3





12,303 80 832 2,262
12H-3, 134-135 109.30 979,029 1,012.8 115.9 10.0 5.0




7,362 845
967
13H-2, 7-8 116.05 965,767 1,218 445.6 79.7 61.4 19.2



16,755 95 956 793
13H-4, 101-102 119.90 798,002 1,719.46 377.3 74.9 58.4 22.6



27,677 35,069 132,810 464
14H-5, 101-102 129.75 947,460 5,707.7 1,272.7 225.7 466.8 196.5
8.7

30,445 1,199 1,050 166
15H-1, 56-57 134.06 919,295 13,076.3 16,163.8 3,503.9 1,180.2 225.4 125.7 44.9 14.8
25,688 1,049 1,008 70
16H-3, 107-108 140.57 762,952 5,599 2,059.1 360.9 547.4 202.5 114.8 36.4 10.7
20,029 162,249 41,995 136

Note: NA = not analyzed, C1 = methane, C2 = ethane, C3 = propane, i-C4 = isobutane, n-C4 = normal butane, i-C5 = isopentane, n-C5 = normal pentane, i-C6 = isohexane, n-C6 = normal hexane, H2S = hydrogen sulfide, CO2 = carbon dioxide, O2 = oxygen, N2 = nitrogen.