Table 8. Composition of gas in headspace or void samples derived from sediments at Site 1037.												

Note: HS = headspace and V = vacutainer.												
												
	 Sample	 Type*	Depth         (mbsf)	CH4 (ppm)	C2 (ppm)	C2H4 (ppm)	C3 (ppm)	Total C4 (ppm)	Total C5 (ppm)	Total C6 (ppm)	CO2 (ppm)	C1/C2
169-1037A-												
	"1H-4,135-140"	HS	5.88	2								
												
169-1037B-												
	"1H-4, 0-3"	HS	4.52	2								
	"2H-4, 0-5"	HS	11.12	2								
	"3H-5, 0-5"	HS	22.12	2							580	
	"4H-3, 135-140"	HS	29.98	2								
	"5H-3, 135-140"	HS	39.48	2								
	"6H-3, 135-140"	HS	48.98	2							1960	
	"7H-2, 135-140"	HS	56.98	3								
	"8H-3, 135-140"	HS	67.98	2							1978			
	"9H-3, 135-140"	HS	77.48	2							1157			
	"14H-3, 135-140"	HS	124.98	195							1222			
	"15H-3, 135-140"	HS	134.48	403							3634			
	"16H-4, 0-5"	HS	144.42	294							2023			
	"17H-4, 135-140"	HS	154.98	2262							23755			
	"18H-3, 135-140"	HS	162.98	1285							18445			
	"20X-3, 0-5"	HS	180.62	1295							4282			
	"22X-1, 145-150"	HS	194.18	10223							21090			
	"23X-5, 0-5"	HS	207.82	31950	1						13300	31950		
	"25X-3, 135-140"	HS	228.98	23200	7						6865	3314		
	"26X-3, 135-140"	HS	236.38	15700							9533			
	"26X-3, 140-150"	HS	236.45	30120	1						11520	30120		
	"27X-2, 135-140"	HS	243.08	16750	1						17400	16750		
	"27X-2, 140-150"	HS	243.15	16400	1	1					7700	16400		
	"28X-6, 0-5"	HS	257.33	16610	1	1					24480	16610		
	"29X-3, 135-140"	HS	263.78	26394	2						22310	14854
	"30X-4, 0-5"	HS	273.53	18145	1						17400	18145
	"31X-6, 0-5"	HS	286.03	9554							12600	
	"32X-2, 75"	V	290.35	719600	180		165				5850	3998
	"32X-5, 0-5"	HS	295.63	13800	1						15640	13800
	"33X-3, 75"	V	301.45	810200							176	
	"33X-4, 0-5"	HS	302.22	4432	1						10226	4432
	"34X-3, 75"	V	311.05	990000	300		270				8524	3300
	"34X-5, 0-5"	HS	313.33	19970	1						2970	19970
	"35X-4, 0-5"	HS	321.43	4150							5558	
	"36X-2, 0-5"	HS	328.03	10040	10						10194	1004
	"37X-3, 75"	V	339.85	790000	216		203				2750	3657
	"37X-5, 0-5"	HS	342.13	6370	5		1				3314	1274
	"38X-2, 75"	V	347.95	804500	302		210				1155	2664
	"38X-5, 0-5"	HS	351.73	5792	7		1				506	827
	"39X-2, 75"	V	357.65	809000	457		212				736	1770
	"40X-4, 0-5"	HS	369.53	5500	26						17180	212		
	"41X-2, 0-5"	HS	376.23	8208	8						1223	1026		
	"42X-2, 0-5"	HS	385.83	6100	22						4166	277		
	"43X-4, 0-5"	HS	398.43	4330	24		5				1607	180		
	"44X-2, 0-5"	HS	405.13	5770	10						3980	577		
	"44X-3, 100"	V	407.6	114200	97		5					1177		
	"45X-2, 135-140"	HS	416.08	4228	15		6				935	282		
	"46X-3, 0-5"	HS	425.83	6950	37		11				489	188		
	"47X-1, 145-150"	HS	433.88	9290	35		13				533	265		
	"48X-4, 0-5"	HS	446.53	22652	201		96	58	18	2	1140	113		
	"49X-3, 135-140"	HS	455.98	23361	279		124	107	25	5	3233	84		
	"50X-4, 0-5"	HS	465.83	19000	324		95	46	4		3546	59		
	"51X-1, 135-140"	HS	472.28	23473	379		83	19			3264	62		
	"52X-4, 0-5"	HS	485.03	45124	670		81				4082	67		
	"53X-1, 135-140"	HS	491.48	26270	388		79				1109	68