Initial Reports Volume 186 Chapter 4, Table T14. Headspace concentrations of light hydrocarbons, Site 1150. Leg Site Hole Core Type Section Top (cm) Bottom (cm) Depth (mbsf) C1 (%) C2 (ppmv) C1/C2 186 1150 A 1 H 4 0 5 4.50 0.00 0.00 186 1150 A 2 H 4 0 5 12.20 2.18 0.98 22,230.19 186 1150 A 3 H 4 0 5 21.70 4.43 3.00 14,144.67 186 1150 A 4 H 3 0 5 29.70 2.06 2.00 10,304.75 186 1150 A 6 H 4 0 5 50.20 4.88 6.70 7,290.73 186 1150 A 7 H 4 0 5 59.70 3.74 7.00 5,336.66 186 1150 A 8 H 4 0 5 69.20 1.02 2.40 4,264.58 186 1150 A 9 H 4 0 5 78.68 3.81 8.10 4,702.62 186 1150 A 11 H 3 0 5 96.20 4.41 9.90 4,454.75 186 1150 A 12 H 5 0 5 108.33 5.08 11.40 4,456.55 186 1150 A 13 X 3 0 5 115.20 4.26 9.00 4,730.90 186 1150 A 14 X 4 0 5 120.90 4.50 8.40 5,356.57 186 1150 A 15 X 2 0 5 127.50 2.19 5.10 4,284.45 186 1150 A 16 X 2 0 5 137.10 3.00 6.40 4,689.25 186 1150 A 17 X 6 0 5 152.70 2.87 5.70 5,037.19 186 1150 A 18 X 3 0 5 157.80 1.48 4.00 3,704.25 186 1150 A 21 X 4 0 5 188.10 1.49 3.50 4,251.57 186 1150 A 22 X 4 0 5 197.80 2.34 3.40 6,894.03 186 1150 A 23 X 4 0 5 207.16 1.39 2.90 4,787.69 186 1150 A 25 X 4 0 5 226.70 1.45 3.10 4,669.71 186 1150 A 26 X 4 0 5 236.40 1.19 2.60 4,595.12 186 1150 A 27 X 4 0 5 246.00 1.19 3.00 3,964.50 186 1150 A 28 X 4 0 5 255.59 0.83 1.80 4,587.50 186 1150 A 29 X 4 0 5 265.30 0.83 2.10 3,962.62 186 1150 A 30 X 4 0 5 274.90 0.74 1.90 3,889.89 186 1150 A 31 X 4 0 5 283.77 1.53 3.30 4,641.24 186 1150 A 32 X 3 0 5 292.70 1.14 2.30 4,960.87 186 1150 A 33 X 3 0 5 302.40 1.41 3.20 4,415.31 186 1150 A 34 X 4 0 5 313.60 2.08 3.80 5,485.03 186 1150 A 35 X 4 0 5 322.56 0.62 1.50 4,163.60 186 1150 A 36 X 4 0 5 332.67 1.40 2.60 5,385.31 186 1150 A 37 X 4 0 5 342.50 1.37 2.70 5,089.59 186 1150 A 38 X 4 0 5 352.10 1.59 2.70 5,891.59 186 1150 A 39 X 4 0 5 361.70 2.18 3.80 5,728.82 186 1150 A 40 X 4 0 5 371.30 1.38 3.00 4,594.40 186 1150 A 42 X 4 0 5 390.50 1.58 2.00 7,877.15 186 1150 A 43 X 4 0 5 400.10 0.82 1.40 5,847.00 186 1150 A 44 X 4 0 5 409.70 2.27 3.30 6,889.12 186 1150 A 45 X 4 0 5 419.30 1.13 1.90 5,961.53 186 1150 A 47 X 4 0 5 438.60 1.19 2.20 5,395.41 186 1150 A 48 X 4 0 5 448.20 1.05 2.00 5,225.55 186 1150 A 49 X 4 0 5 457.80 0.86 2.00 4,301.75 186 1150 A 51 X 4 0 5 477.10 4.23 6.20 6,817.31 186 1150 A 51 X CC 0 5 480.32 0.57 1.30 4,402.23 186 1150 A 52 X CC 24 25 482.54 0.91 2.30 3,938.00 186 1150 A 53 X CC 0 2 492.00 5.07 6.20 8,185.21 186 1150 A 54 X 4 0 5 506.22 0.69 1.40 4,927.00 186 1150 A 55 X 3 0 5 514.21 0.18 0.00 186 1150 A 56 X 4 0 5 525.40 1.53 2.60 5,897.58 186 1150 A 57 X 1 90 92 531.50 1.49 2.90 5,128.21 186 1150 A 58 X CC 0 2 540.30 0.36 0.00 186 1150 A 60 X 3 0 5 562.50 1.84 3.90 4,719.36 186 1150 A 61 X 2 0 5 570.60 2.72 4.10 6,642.98 186 1150 A 62 X 4 0 5 583.20 0.85 2.00 4,245.10 186 1150 A 63 X 1 118 123 589.58 2.36 4.70 5,019.17 186 1150 A 64 X 2 0 5 599.50 1.97 4.30 4,578.53 186 1150 A 65 X 2 0 5 609.20 5.06 9.20 5,501.95 186 1150 A 66 X 4 0 5 621.80 4.23 7.10 5,961.39 186 1150 A 67 X 4 0 5 631.40 1.80 5.40 3,339.70 186 1150 A 68 X 4 0 5 640.84 2.57 6.60 3,889.56 186 1150 A 69 X 4 0 5 650.30 2.72 6.70 4,063.06 186 1150 A 70 X 4 0 5 659.90 3.20 6.70 4,777.28 186 1150 A 71 X 4 0 5 669.30 2.94 6.20 4,739.50 186 1150 A 72 X 4 0 5 678.90 3.61 6.90 5,230.29 186 1150 A 73 X 2 0 5 685.50 2.09 4.50 4,634.40 186 1150 A 74 X 3 0 5 696.70 2.08 4.70 4,424.19 186 1150 A 75 X 4 0 5 707.80 5.13 8.90 5,764.82 186 1150 A 76 X 3 0 5 716.00 4.78 9.60 4,981.01 186 1150 B 1 R 3 0 5 706.13 1.91 3.90 4,891.69 186 1150 B 2 R 1 0 1 709.70 3.08 5.80 5,316.14 186 1150 B 3 R 1 0 2 719.30 4.16 8.10 5,129.64 186 1150 B 4 R 2 0 2 730.50 2.02 3.80 5,305.29 186 1150 B 5 R 1 0 2 738.60 2.69 5.20 5,164.35 186 1150 B 6 R 4 0 2 752.03 1.97 3.90 5,062.21 186 1150 B 7 R 1 0 2 757.90 2.38 4.30 5,539.37 186 1150 B 8 R 1 0 2 767.60 2.27 4.40 5,151.70 186 1150 B 9 R 2 0 2 778.70 5.30 10.10 5,248.15 186 1150 B 10 R 1 0 2 786.90 5.12 9.80 5,228.70 186 1150 B 11 R 1 0 2 796.50 2.12 4.50 4,715.42 186 1150 B 12 R 3 0 2 808.88 3.76 9.00 4,173.84 186 1150 B 13 R 3 0 2 818.65 3.50 7.90 4,424.05 186 1150 B 14 R 3 0 2 828.32 0.60 1.20 5,024.75 186 1150 B 15 R 2 0 2 836.50 3.53 7.20 4,902.32 186 1150 B 16 R 4 0 2 849.10 3.29 6.20 5,313.27 186 1150 B 17 R 4 0 2 858.70 3.25 6.30 5,153.67 186 1150 B 18 R 2 0 2 865.30 4.63 11.70 3,958.34 186 1150 B 19 R 2 0 2 875.00 3.43 6.70 5,124.63 186 1150 B 20 R 2 0 2 884.70 3.82 8.70 4,391.22 186 1150 B 21 R 1 0 2 892.90 3.03 7.20 4,204.10 186 1150 B 22 R 5 0 2 906.94 4.11 8.70 4,721.07 186 1150 B 23 R 3 0 2 914.80 2.40 5.50 4,365.02 186 1150 B 24 R 1 0 2 921.50 5.61 13.80 4,064.28 186 1150 B 25 R 3 0 2 934.02 2.34 5.20 4,492.10 186 1150 B 26 R 1 0 2 940.70 6.83 17.40 3,925.54 186 1150 B 27 R 4 0 2 954.81 2.41 6.00 4,012.03 186 1150 B 29 R 2 0 2 970.67 4.64 12.60 3,680.95 186 1150 B 30 R 4 0 2 983.37 0.29 1.00 2,872.20 186 1150 B 31 R 2 0 2 990.02 3.05 8.70 3,509.69 186 1150 B 32 R 4 0 2 1002.55 1.72 5.40 3,179.98 186 1150 B 33 R 1 0 2 1007.90 2.46 8.00 3,074.75 186 1150 B 34 R 2 0 2 1019.00 2.27 7.70 2,953.27 186 1150 B 35 R 2 0 2 1028.60 2.95 9.20 3,201.89 186 1150 B 36 R 3 0 2 1039.70 2.31 6.90 3,352.35 186 1150 B 37 R 2 0 2 1048.00 4.25 13.60 3,122.74 186 1150 B 38 R 2 0 2 1057.67 4.91 14.80 3,315.22 186 1150 B 39 R 1 0 2 1066.00 6.19 18.70 3,312.00 186 1150 B 40 R 2 0 2 1077.20 4.18 14.60 2,861.24 186 1150 B 41 R 4 0 2 1089.69 8.56 23.30 3,672.20 186 1150 B 43 R 1 0 2 1104.60 6.78 23.70 2,860.64 186 1150 B 44 R 1 0 2 1114.20 7.93 26.00 3,050.98 186 1150 B 45 R 3 0 2 1126.90 4.14 16.10 2,570.30 186 1150 B 46 R 2 0 2 1134.98 5.00 20.60 2,427.79 186 1150 B 47 R 3 0 2 1146.03 5.80 19.70 2,944.80 186 1150 B 49 R 3 0 2 1165.27 2.40 9.09 2,639.60 186 1150 B 50 R 4 0 2 1176.50 3.93 13.80 2,847.75