Table 2. Chemistry of the organic profiles in the GOR chronosequence.a 

Site		Horizon	Depth		Total C	Organic C	Total N      CEC	
				(cm)		(%)		(%)		(%)	    (cm/kg)

GOR64	Ah1		0-21		11.98		11.0		1.16	       50.4
		Ah2		21-36		8.94		7.60		0.95	       46.2
		Ah3		36-52		6.93		6.33		0.74	       44.6
		Ah4		52-69		4.36		4.00		0.33	       40.8	           2Bw1		69-91		1.00		0.76		0.13	       21.4
	           2Bw2		91-107		0.78		0.61		0.12	       18.6
	           2Cox1		107-170	0.44		0.38		0.06	       14.4 
	           2Cox2		170-210	0.32		0.32		0.05	       14.6
	           3Ahb		210-220	5.06		4.23		0.52	       70.9
	           4Btb		220-235	1.58		1.48		0.15	       28.6
	           4Cb		235+		--		--		--

GOR68	Ah1		0-16		7.81		7.36		0.78	       37.8
		Ah2		16-36		4.60		5.12		0.45	       31.2
	           2Bw1		36-51		1.31		1.09		0.12	       17.6
	           2Bw2		51-91		0.63		0.58		0.10	       11.0
	           3Cox		91-117		0.09		0.06		0.08	         7.2
	           4Ahb		117-125	6.74		6.56		0.58	        56.6
	           5Bwb1		125-170	4.33		3.46		0.34	        37.2
	           5Bwb2		170-210	5.78		4.56		0.43	        44.2
	           5Coxbm	210+		0.14		0.18		0.09	        22.6

GOR69	Ah1		0-19		8.18		8.24		0.75	        45.4
		Ah2		19-32		4.27		3.74		0.43	        33.4
	           2Bwm1		32-66		1.25		1.22		0.15	        22.8
	           2Bwm2		66-104		0.71		0.66		0.13	        18.0
	           3Ahb		104-116	3.94		3.87		0.40	        43.8
	           4Btb		116-129	1.83		1.60		0.19	        33.2
	           4Cb		129+		0.11		0.20		0.04	        32.8	   

a--=nil results.