Table 5. Data means with standard deviations for clusters of samples within each section. 

		GOR64	GOR68	GOR69

Al	%	11.0±1.7	10.4±1.5	11.0±1.0
Ca	%	<0.45±0.18	<0.43±0.18	<0.36±0.18
Fe	%	5.0±1.1	4.6±1.5	6.2±1.3	
K	%	2.6±0.5	2.9±0.9	2.1±0.3
Na	%	2.3±0.6	2.7±1.2	2.1±0.4
Mn	ppm	1780±600	1560±510	2560±640
Ti	ppm	3900±800	2900±2000	3800±400
As	ppm	1.5±2.3	3.9±1.3	2.6±0.5
Ba	ppm	790±230	570±430	650±180
Br	ppm	15±10	30±30	19±15
Co	ppm	3.5±0.7	3.1±2.4	3.9±1.2
Cr	ppm	20±6	24±17	14±4
Cs	ppm	2.3±0.4	2.2±1.3	1.7±0.6
Hf	ppm	15.9±5.0	19.2±3.4	16.6±2.7
Rb	ppm	71±17.0	84±23.0	85±20
Sb	ppm	0.39±0.46	0.22±0.14	0.23±0.07
Sc	ppm	4.5±2.4	4.3±2.9	3.8±0.9
Sr	ppm	210±60	89±54	190±50
Ta	ppm	13.5±2.4	15.5±2.4	15.0±2.0
Th	ppm	22.6±4.5	26.1±4.7	21.4±3.5
U	ppm	5.6±1.4	5.7±1.4	4.1±0.9
V	ppm	<18±6	<27±12	<26±3
La	ppm	139±38	133±50	138±44
Ce	ppm	258±53	274±78	261±47
Nd	ppm	96±35	100±44	100±41
Sm	ppm	16.5±6.4	15.0±5.7	16.0±7.2
Eu	ppm	2.8±1.0	2.3±1.0	2.9±1.1
Tb	ppm	2.3±0.8	2.1±0.9	2.3±1.0
Dy	ppm	10.2±3.7		11.5±4.4		8.7x3.1
Yb	ppm	9.0±4.2		9.4±3.7			8.1x3.9
Lu	ppm	1.2±0.6		1.4±0.7			1.2x0.6

< signs denote that detection limits were included in averages.