Table 17. Headspace composition data from Sites 1026 and 1027. 						

"Core, section, "	Depth 	C1 	C2 	C3 	C2 	
interval (cm) 	(mbsf) 	(ppmv) 	(ppmv) 	(ppmv) 	(ppmv) 	C1/C2 
168-1026A-1H- 						
"1H-3, 0-5 "	3.03	2				
"2H-6, 0-5 "	12.93	3				
"3H-6, 0-5 "	22.43	2				
"4H-6, 0-5 "	31.93	2				
"5H-6, 0-5 "	41.43	3				
"6H-5, 0-5 "	49.43	3				
"7H-6, 0-5 "	60.43	977				
"8H-6, 0-5 "	69.93	4053				
"9H-4, 0-5 "	76.43	5526				
"10H-6, 0-5 "	88.93	10257				
"11H-6, 0-5 "	98.43	13204				
"12H-1, 0-5 "	100.43	10616
168-1026C-1R- 		
"1R-1, 0-5 "	84.63	978
"2R-1, 0-5 "	94.23	1740
"3R-1, 0-5 "	103.83	1369
"4R-1, 0-5 "	113.53	303
"5R-1, 0-5 "	123.13	22
"6R-1, 0-5 "	132.73	10
"7R-1, 0-5 "	142.33	8
"8R-1, 0-5 "	152.03	8
"9R-2, 0-5 "	163.13	8
"10R-6, 0-5 "	178.73	8
"12R-1, 0-5 "	190.53	8
"13R-5, 0-5 "	206.13	10
"14R-5, 0-5 "	215.73	5
"15R-5, 0-5 "	225.33	5
168-1027B- 						
"1H-3, 0-5 "	3.03	2				
"3H-6, 0-5 "	21.23	2				
"4H-6, 0-5 "	30.73	104				
"5H-6, 0-5 "	40.23	72				
"6H-6, 0-5 "	49.73	47				
"7H-6, 0-5 "	59.23	30				
"17X-3, 0-5 "	148.53	2				
"19X-2, 0-5 "	166.23	16437				
"22X-5, 0-5 "	199.53	16919	0.6			28198
"23X-2, 0-5 "	204.83	16004	0.6			26673
"25X-2, 0-5 "	223.93	12165	0.6			20275
"26X-3, 0-5 "	235.03	27681	1.2			23068
"27X-1, 0-5 "	241.63	32806	1.4		0.7	23433
"28X-5, 0-5 "	257.33	16831	1.2			14026
"29X-6, 0-5 "	268.43	18162	1.4			12973
"30X-6, 0-5 "	278.03	26136	1.7			15374
"31X-6, 0-5 "	287.63	11504	1.2			9587
"32X-6, 0-5 "	297.43	21292	2.6			8189
"33X-6, 0-5 "	306.93	29689	3.4			8732
"34X-6, 0-5 "	308.63	12922	2.4			5384
"35X-6, 0-5 "	326.23	8678	1.7			5105
"36X-6, 0-5 "	335.93	22121	4.2			5267
"37X-6, 0-5 "	345.53	15111	2.8			5397
"38X-6, 0-5 "	355.23	20906	3.9			5361
"39X-5, 0-5 "	363.33	18809	4.0	1.5		4702
"40X-6, 0-5 "	374.53	13121	2.6			5047
"41X-3, 0-5 "	379.63	12514	2.5			5006
"42X-6, 0-5 "	393.73	13794	3.2	1.5		4311
"43X-6, 0-5 "	403.33	11351	3.6	5.0		3153
"44X-6, 0-5 "	412.93	7294	2.3	1.0		3171
"45X-6, 0-5 "	422.53	15405	5.0	5.0		3081
"46X-4, 0-5 "	431.13	14642	5.5	7.9		2662
"47X-6, 0-5 "	441.73	12106	3.0	8.0		4035
"48X-6, 0-5 "	451.43	8081	6.0	12.0		1347
"49X-6, 0-5 "	461.03	12357	4.0	5.5		3089
"50X-6, 0-5 "	470.53	8269	4.7	7.9		1759
"51X-6, 0-5 "	480.13	2825	1.6	2.2		1766
"52X-6, 0-5 "	489.73	2747	1.8	4.2		1526
"53X-6, 0-5 "	499.23	2556	2.0	3.9		1278
"54X-6, 0-5 "	508.83	2428	2.0	3.0		1214
"55X-6, 0-5 "	518.53	2509	4.0	1.0	2.8	627
"56X-6, 0-5 "	528.13	2776	3.0			925
"57X-6, 0-5 "	537.83	1689	2.0			845
"58X-6, 0-5 "	547.43	1812	2.0			906
"59X-6, 0-5 "	557.03	936	1.0			936
"60X-6, 0-5 "	566.63	465				
168-1027C- 						
"1R-6, 117-131 "	593.54	2
"2R-6, 0-5 "	601.93	3