Element	Unit	Average crustal content	Elemental concentrations in samples				Geochemical Abundance Index
Element	Unit	Average crustal content	C001	C002	C004	C006	C001	C002	C004	C006
Ag	ppm	0.07	<0.5	<0.5	<0.5	<0.5
Al	%	8.13	6.31	5.01	5.35	5.65	0	0	0	0
As	ppm	1.8	6.5	1.4	1.8	1.3	1	0	0	0
Ba	%	0.04	0.02	0.02	0.02	0.02	0	0	0	0
Ba	%	0.04	0.019	0.016	0.016	0.017	0	0	0	0
Bi	ppm	0.2	0.17	0.2	0.19	0.14	0	0	0	0
C	ppm	200	9400	26,800	27,900	23,800	4	6	6	6
Ca	%	3.63	1.96	4.98	5.09	4.49	0	0	0	0
Cd	ppm	0.2	<0.5	<0.5	<0.5	<0.5
Ce	ppm	60	22.1	17.6	19.9	22.1	0	0	0	0
Co	ppm	25	65	39	57	38	0	0	0	0
Cr	ppm	100	1440	350	290	230	3	1	0	0
Cs	ppm	3	7.06	2.94	2.7	2.45	0	0	0	0
Cu	ppm	55	124	85	100	80	0	0	0	0
Dy	ppm	3	3.25	2.82	3.4	3.23	0	0	0	0
Er	ppm	2.8	1.9	1.55	1.85	2.1	0	0	0	0
Eu	ppm	1.2	1.02	0.84	0.87	0.99	0	0	0	0