Table T12. Methane, ethane, ethene, propane, butane, and pentane concentrations obtained by headspace analysis, Hole 1148A. [N1]

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)
(mbsf) (mcd)
184-1148A-










2H-4, 0-5 5.30 10.15 — 3.4






3H-4, 0-5 14.73 19.58 — 4.7






4H-4, 0-5 24.30 29.15 — 4.0






5H-4, 0-5 33.80 38.65 — 3.8






6H-4, 0-5 43.30 49.10 — 3.7






7H-4, 0-5 52.80 59.70 — 4.4






8H-4, 0-5 62.30 69.67 — 3.8






9H-4, 0-5 71.80 79.47 — 3.3






10H-4, 0-5 81.30 88.97 — 3.3






11H-4, 0-5 90.80 99.52 — 3.2






12H-4, 0-5 100.30 109.97 — 3.8






13H-4, 0-5 109.80 120.90 — 4.5






14H-4, 0-5 119.30 130.85 — 4.8






15H-4, 0-5 128.80 140.80 — 5.4






16H-4, 0-5 138.30 150.52 — 7.7






17X-4, 0-5 147.80 160.02 — 7.0






18X-4, 0-5 157.40 169.62 — 11.0






19X-4, 0-5 167.00 179.22 — 6.7






20X-4, 0-5 176.60 188.82 — 7.8






21X-4, 0-5 186.30 198.52 — 8.2






22X-4, 0-5 196.00 208.22 — 9.4






23X-4, 0-5 205.60 217.82 — 7.1






24X-4, 0-5 215.30 227.52 — 6.6






25X-4, 0-5 224.90 237.12 — 7.0






26X-4, 0-5 234.50 246.72 — 7.5






27X-4, 0-5 244.10 256.32 — 7.5






28X-4, 0-5 253.70 265.92 — 8.3






29X-4, 0-5 263.30 275.52 — 8.6






30X-4, 0-5 272.90 285.12 — 8.5






31X-4, 0-5 282.50 294.72 — 7.0






32X-4, 0-5 292.10 304.32 — 9.1






33X-4, 0-5 301.80 314.02 — 11.6






34X-4, 0-5 310.09 322.31 — 10.3






35X-4, 0-5 321.10 333.32 — 9.0






36X-4, 0-5 330.70 342.92 — 9.4






37X-4, 0-5 340.30 352.52 — 12.9






38X-4, 0-5 349.80 362.02 — 8.4






39X-4, 0-5 359.40 371.62 — 6.4






40X-2, 0-5 366.00 378.22 — 7.5






40X-4, 0-5 369.00 381.22 — 6.3






41X-4, 0-5 378.70 390.92 — 5.5






42X-4, 0-5 388.40 400.62 — 4.0






43X-4, 0-5 398.00 410.22 — 4.9






44X-4, 0-5 407.70 419.92 — 5.4






45X-4, 0-5 417.40 429.62 — 8.0






46X-4, 0-5 427.00 439.22 — 8.8






47X-4, 0-5 436.70 448.92 — 14.1






48X-4, 0-5 446.30 458.52 — 16.2






49X-4, 0-5 455.90 468.12 — 25.7






50X-2, 0-5 462.50 474.72 — 53.3






51X-1, 11-16 468.11 480.33 99.0 47.5 0.5 0.2




52X-CC, 0-5 473.10 485.32 30.9 24.7 0.8 0.5




53X-CC, 0-5 478.38 490.60 32.3 25.8 0.8 0.2




54X-1, 0-5 482.70 494.92 20.8 31.2 1.5 0.7 0.5



55X-1, 0-5 487.30 499.52 14.9 25.3 1.7 0.4




56X-1, 0-5 492.30 504.52 14.5 29.0 2.0 0.3 0.2



57X-4, 0-5 506.20 518.42 16.4 101.8 6.2 0.4 2.1



58X-3, 0-5 513.90 526.12 18.0 102.8 5.7 0.3 2.0



58X-3, 5-6 513.95 526.12 19.9 139.1 7.0 0.2 2.0



59X-4, 0-5 525.50 537.72 22.9 213.0 9.3 0.3 3.5



60XCC, 25-30 531.36 543.58 21.9 262.9 12.0 0.5 5.7



61X-CC, 24-29 541.48 553.70 23.9 339.2 14.2 0.5 6.8



62X-4, 0-5 554.40 566.62 26.4 200.7 7.6 0.2 3.2



63X-3, 0-5 562.20 574.42 23.6 63.7 2.7
1.4



64X-2, 0-5 570.60 582.82 23.6 520.9 22.1
10.2



65X-2, 0-5 580.30 592.52 22.9 568.6 24.8 0.2 9.6



66X-4, 0-5 592.90 605.12 22.1 471.4 21.3
8.6



67X-4, 0-5 602.50 614.72 22.4 290.6 13.0
5.7



68X-8, 66-71 617.10 629.32 18.5 420.2 22.7 0.2 9.5



69X-4, 0-5 621.70 633.92 20.9 288.4 13.8
5.5



70X-4, 0-5 631.30 643.52 18.8 274.6 14.6
6.3



71X-4, 0-5 641.00 653.22 18.0 269.4 15.0 0.2 7.2



72X-4, 0-5 650.70 662.92 17.1 331.5 19.4
8.8



73X-4, 0-5 660.40 672.62 17.0 303.7 17.9 0.2 8.1



74X-4, 0-5 670.00 682.22 16.8 300.6 17.9
8.6



75X-4, 0-5 679.01 691.23 16.4 213.0 13.0
6.3 11.2
19.6 7.5
76X-4, 0-5 689.09 701.31 16.3 221.6 13.6
7.0

18.3 7.5
77X-4, 0-5 698.90 711.12 15.7 327.0 20.9 0.2 10.6 16.8 11.6 25.2 6.7

Note: — = no C2.