Table T19. Headspace gas composition, Site 1170.

Hole, core,
section
Depth
(mbsf)
C1/C2 (ppmv)
C1
(ppmv)
C2 (ppmv)
C3 (ppmv)
n-C4 (ppmv)
i-C4 (ppmv)
n-C5 (ppmv)
i-C5 (ppmv)
n-C6 (ppmv)
i-C6 (ppmv)
189-1170A-










1H-1 1.41 3








2H-4 6.20 3








3H-4 15.70 4








4H-4 24.49 7








5H-4 34.70 10








6H-4 44.20 5








7H-4 53.70 12








8H-4 63.20 11








9H-4 72.70 11








10H-4 82.20 10








11H-4 91.70 15








12H-4 101.20 11








13H-4 110.70 17








14H-4 120.20 14








15H-4 129.72 13








16H-4 139.20 14








17H-6 151.51 14








18H-4 158.20 11








19X-2 164.70 10








20X-4 171.20 12








21X-2 177.80 9








22X-4 190.40 13








23X-3 198.50 15








24X-3 208.10 17








25X-3 217.70 12








26X-2 225.80 14








27X-3 236.90 14








28X-4 248.00 25








29X-4 257.60 12








30X-4 267.20 9








31X-4 276.80 10








32X-4 286.40 11








33X-4 296.00 11








34X-4 305.30 5








35X-4 314.60 4








36X-4 324.20 6








37X-4 333.80 4








38X-4 343.40 3








39X-4 353.10 6








40X-4 362.70 4








41X-4 372.30 4








42X-4 381.90 7








43X-4 391.50 13








44X-4 401.10 40








45X-3 409.20 56








46X-4 420.30 110








47X-3 428.40 78








48X-CC 435.00 141








49X-3 447.60 199








50X-2 455.70 236








189-1170D-










1R-2 426.50
100 0 0





2R-2 435.00
104 0 0





3R-2 444.30
64 0 0





4R-2 454.20
18 0 0





5R-2 463.50
162 0 0





7R-2 478.10
1,027 0 0





8R-4 486.00 10,949 15,329 1 0





9R-4 495.60 11,556 15,023 1 0





10R-2 502.20 8,796 6,157 1 0





11R-3 513.30 6,121 20,198 3 0





12R-2 521.30 3,508 15,434 4 0





13R-3 532.40 1,470 13,369 9 0





14R-4 543.60 577 32,213 56 10





15R-4 553.20 480 863 2 0





16R-2 559.79 417 792 2 0





17R-4 572.40 335 536 2 0





18R-4 582.00 281 1,545 6 0





19R-5 592.02 269 835 3 0





20R-4 601.23 198 1,327 7 0





24R-4 639.80 160 5,636 35 9





24R-4 639.80 230 1,652 7 0 0 0 0 0 0 0
25R-4 649.30 123 11,433 93 27





26R-4 659.10 143 2,155 15 6





27R-4 668.70 110 41,109 375 168





27R-4 668.70 103 34,148 333 198 43 73 20 79 0 0
28R-4 677.79 109 45,959 423 184





28R-4 677.79 103 41,473 403 228 54 93 27 101 0 3
29R-4 687.86 108 36,052 335 122





29R-4 687.86 103 30,181 293 162 28 45 15 39 4 4
30R-4 697.55 94 66,449 704 245





30R-4 697.55 100 56,395 563 289 41 77 7 49 0 0
31R-4 707.30 57 21,843 385 229





31R-4 707.30 62 24,866 401 363 95 128 42 123 0 5
32R-4 716.90 77 20,509 266 192 33 57 8 45 0 0
32R-4 716.90 76 26,260 345 174





33R-4 726.50 46 27,464 602 426





33R-4 726.50 51 18,196 357 377 91 125 33 112 0 2
34R-4 736.10 57 21,044 371 328 66 102 21 85 0 0
34R-4 736.10 51 32,839 648 388





35R-4 745.70 76 70,303 925 527 68 111 11 64 0 0
36R-4 755.30 80 34,585 431 167





36R-4 755.30 80 20,719 260 135 9 21 0 9 0 0
37R-4 765.00 75 39,082 520 208





38R-4 774.58 89 46,402 525 194





Notes: C1 = methane, C2 = ethane, C3 = propane, C4 = butane, C5 = pentane, C6 = hexane, i = iso, n = nona. ppmv = parts per million by volume. Blanks = no data.