Table T9. Composition of gas samples from PCS experiments, Holes 1249C and 1249F.
Sample
Volume (mL)
C1
(ppm)
C2
(ppm)
C3
(ppm)
i-C4 (ppm)
n-C4 (ppm)
i-C5
(ppm)
n-C5 (ppm)
O2
(ppm)
N2
(ppm)
CO2 (ppm)
C1/C2
204-1249C-6P (33.5 mbsf)









G1 50 12





163,955 753,440 252 624
G2 250 533,029 772.7 27.1 3.3


78,293 370,026 698
G3 640 904,610 1,401.4 58.5 7.1 5.3

14,366 67,557 667
G4 610 947,587 1,462.3 72.1 8.0 6.1

5,165 30,777 663
G5 610 936,083 1,431.5 73.4 8.1 6.1

8,056 41,279 780
G6 650 717,037 1,219.3 67.0 7.8 6.2

2,873 12,883 922
G7 570 863,454 1,402.8 70.1 8.1 6.4

4,491 20,500 1,083
G8 700 895,132 1,438.1 71.5 8.6 6.6

3,688 17,765 1,204
G9 730 864,439 1,357.4 74.1 8.8 7.2

2,796 15,634 1,464
G10 700 845,353 1,566.0 75.2 9.6 7.3

4,504 25,059 1,790
G11 750 838,399 1,300.6 74.7 9.6 7.4

3,165 18,315 2,380
G12 750 850,214 1,290.6 74.6 13.3 7.1

2,388 14,521 2,587
G13 740 840,256 1,287.6 76.1 10.0 7.7

3,407 17,689 2,924
G14 770 816,762 1,254.6 192.3 12.2 7.1

6,647 36,618 3,141
G15 790 814,593 1,322.3 77.6 10.1 7.6

7,840 44,175 3,555
G16 810 854,357 1,335.8 78.3 10.6 8.1

11,737 69,775 3,527
G17 890 828,584 1,303.3 79.1 11.1 8.7 3.9
17,898 110,532 4,000
G18 850 877,045 1,392.7 93.1 13.6 10.9 4.7
12,860 79,242 5,767
G19 510 852,658 1,391.2 95.8 14.4 12.4 5.5
16,523 102,101 7,307
G20 80 864,653 1,440.2 102.3 16.1 13.6 6.2
14,530 90,359 8,658
G21 70 808,647 1,356.0 86.4 13.0 11.8 6.1
26,795 153,275 5,843
G22 130 770,930 1,338.0 83.5 12.3 11.6 5.6
33,365 190,455 4,086
204-1249F-4P (13.5 mbsf)









G1 120 674,103 1,015.6 22.5 5.6


55,782 264,287 413 867
G2 500 967,087 942.9 67.0 15.9 8.5 10.1
679 1,334 495
G3 90 969,724 964.4 66.1 15.3 8.0 9.4
583 1,031 408
G4 350 969,483 963.8 58.4 13.1 6.5 7.0

774 446
G5 510 960,618 919.0 58.3 13.1 6.4

3,210 6,891 444
G6 440 966,405 1,016.5 58.4 13.5 6.5

1,890 1,605 424
G7 780 973,997 885.8 62.5 15.4 7.5 8.3

693 369
G8 770 973,551 739.3 68.5 18.0 8.6 10.0
164 1,024 335
G9 780 975,031 699.5 70.1 19.2 8.8 11.0

783 408
G10 800 970,961 775.8 51.4 16.5 7.5 9.0
1,292 1,411 383
G11 920 973,806 990.0 48.2 15.5 7.4 10.2
24 766 646
G12 780 966,434 1,192.2 42.7 12.3 5.9 8.2
1,845 1,458 510
G13 650 969,085 1,286.6 42.2 12.1 6.0 8.0
479 861 464
G14 1,050 960,736 1,222.0 35.5 10.7
6.8
5,437 12,244 556
G15 1,015 971,873 1,305.7 38.0 11.1
7.8
2,461 3,519 526
G16 900 961,404 1,179.2 38.1 10.8
7.2
5,987 14,818 610
G17 1,000 976,189 1,158.9 35.3 10.0


1,691 1,068 688
G18 1,050 975,959 1,246.0 36.4 9.1


2,143 1,028 696
G20 960 970,948 1,378.0 29.6 6.8
14.2
157 955 753
G22 890 984,445 1,428.6 32.0 6.3


360 633 873
G23 1,060 980,651 1,428.4 28.8 5.2



586 1,132
G24 980 974,535 1,445.4 25.9



62 467 1,130
G25 950 969,079 1,309.7 24.0



3,451 4,007 1,055
G26 1,080 974,456 1,272.2 24.5



2,003 1,420 1,080
G27 1,140 975,439 1,245.0 24.7



2,012 1,464 1,190
G28 1,000 982,595 1,317.5 27.3




452 1,314
G30 1,100 968,524 1,398.3 28.9



5,921 11,056 1,323
G31 1,020 982,113 1,467.8 28.6



274 4,821 1,396
G32 1,000 983,456 1,528.9 30.8



281 5,870 1,535
G33 980 981,268 1,525.5 29.0



240 5,036 1,536
G34 1,040 980,264 1,525.0 29.5



199 4,899 1,494
G35 990 979,426 1,478.1 30.0



122 3,524 1,374
G36 1,120 980,618 1,530.4 31.2



75 3,357 1,435
G37 1,020 982,383 1,539.9 30.4



67 3,003 1,483
G38 940 964,085 1,520.1 25.5



637 18,583 1,391
G39 890 970,799 1,520.4 25.6



362 10,968 1,364
G40 1,140 968,481 1,415.5 31.9



300 8,467 1,299
G41 950 969,626 1,413.8 28.9



244 7,825 1,398
G42 1,040 979,611 1,474.1 30.9



147 3,980 1,416
G43 1,020 981,932 1,485.2 28.1



129 3,764 1,419
G44 1,070 976,353 1,482.2 30.4



101 3,589 1,478
G45 1,080 952,942 1,426.0 28.2



9,207 13,375 1,558
G46 1,015 980,993 1,477.5 29.6



30 491 1,432
G47 1,050 967,732 1,432.1 29.5



5,650 5,518 1,421
G48 1,015 969,009 1,421.0 29.4



4,688 3,363 1,272
G49 960 977,859 1,441.0 30.6



561 935 1,179
G50 1,040 974,570 1,430.4 32.2



549 792 1,005
G51 1,000 973,383 1,425.9 30.9



2,030 1,124 894
G52 980 976,559 1,438.8 26.5



95 716 994
G53 1,050 966,475 1,413.5 30.5



375 842 1,282
G54 1,050 972,114 1,414.8 29.7



1,035 1,042 1,126
G55 1,025 967,374 1,412.8 27.1



2,653 1,312 1,306
G56 1,100 976,366 1,432.4 31.3



15 778 1,422
G57 960 967,446 1,422.2 30.7



1,541 1,138 960
G58 1,020 946,926 1,413.2 28.9



9,619 14,130 1,213
G59 950 973,525 1,452.1 29.1



920 1,155 984
G60 1,110 977,622 1,432.6 29.2




690 1,174
G61 980 964,626 1,383.9 29.4



5,022 4,707 1,046
G62 810 966,424 1,443.6 29.0



895 916 1,345
G63 1,040 961,636 1,454.3 26.6



1,009 1,330 1,018
G64 950 891,965 1,272.9 23.6



1,149 1,259 943
G65 1,150 854,803 1,264.0 21.6



746 1,156 1,555
G66 820 946,112 1,491.4 24.1



1,216 1,262 1,277
G67 820 951,352 1,465.3 24.1



839 1,146 1,128
G68 1,110 971,530 1,340.5 25.1



139 821 1,340
G69 1,020 971,823 1,480.7 28.5




467 1,896
G70 1,080 960,228 1,457.3 26.1



4,125 2,108 1,741
G71 1,080 960,016 1,452.9 27.3



4,784 3,426 1,603
G72 1,050 968,828 1,469.6 28.2



1,247 1,209 1,513
G73 1,000 965,355 1,459.7 29.1



538 744 1,579
G74 1,050 967,890 1,469.5 25.8



454 860 1,405
G75 1,060 959,143 1,446.4 24.5



2,274 1,446 1,424
G76 1,180 950,718 1,453.6 25.2



6,184 6,360 1,430
G77 1,040 969,094 1,475.3 25.0



321 768 1,419
G79 1,000 970,081 1,483.6 25.7




595 1,431
G80 970 973,401 1,557.8 26.5



350 691 1,570
G81 1,040 960,249 1,575.2 25.8



699 996 1,607
G82 1,010 949,730 1,535.2 24.5



7,711 9,887 1,455
G83 1,040 954,262 1,556.1 26.2



5,295 5,928 1,491
G84 1,020 939,457 1,520.1 25.7



10,348 17,532 1,611
G85 1,020 950,320 1,575.0 24.5



2,913 5,875 1,734
G86 1,000 935,388 1,551.3 23.1



7,605 11,005 1,972
G87 1,020 953,020 1,563.0 24.6



1,734 1,319 2,021
G88 1,000 958,809 1,600.9 21.6



204 973 2,116
G89 1,090 946,200 1,577.9 31.9



29 863 2,462
G90 1,070 958,550 1,588.0 29.2




792 2,891
G91 1,030 944,980 1,577.9 29.7



4,222 3,930 3,343
G92 1,020 958,599 1,618.8 31.7



83 963 3,674
G93 1,020 937,548 1,579.3 31.2



7,657 10,481 3,988
G94 1,020 927,697 1,581.7 32.0



11,797 19,253 4,427
G95 1,050 939,687 1,645.2 34.6



5,002 7,813 5,281
G96 1,000 955,300 1,719.8 33.7




591 6,888
G97 1,030 945,787 1,785.5 30.9



3,434 2,236 8,126
G98 1,050 944,389 1,862.8 41.3



112 703 10,239
G99 390 946,748 2,062.6 40.6



310 981 13,176
G100 270 936,214 2,075.5 44.5



755 1,039 14,447













204-1249F-14P (71.4 mbsf)









G1 60 487,986 117.3
6.2 30.0

78,969 357,684 437 4,286
G2 220 946,846 263.1 13.6
23.4

708 28,057 545
G3 590 968,388 314.5

6.0

147 8,794 620
G4 760 964,851 286.9 13.6
5.1

195 12,781 1,010
G5 510 949,063 248.2 22.5
6.3

452 25,940 991
G6 410 942,551 221.4 16.3
8.4

432 31,275 1,352
G7 670 922,347 170.3 27.6 14.2 18.8

965 60,080 828
G9 550 893,293 156.2 28.3 4.7 22.8

762 79,558 2,784
G10 320 856,641 181.8 31.8 36.9


285 62,801 285
G11 150 883,895 175.8 32.6 31.6


254 59,059 4,536
G12 140 900,630 177.2 11.8 38.0 34.4

281 67,326 4,477

Notes: C1 = methane, C2 = ethane, C3 = propane, i-C4 = iso-butane, n-C4 = normal butane, i-C5 = iso-pentane, n-C5 = normal pentane, O2 = oxygen, N2 = nitrogen, CO2 = carbon dioxide. C1/C2 ratio reported corresponds to the integrated value for the entire pressure core.