Reference values for major, minor and trace elements in five GSJ reference samples,
(in % from SiO2 to T-Fe2O3 and ppm from Ag to Zr, unless otherwise noted)
Terashima et. al., Geostandards Newsletter, 22, 113-117 (1998)
	JB-1b		JCFA-1
	X	SD	X	SD
SiO2	51.11	0.11	50.56	0.12
TiO2	1.26	0.03	1.31	0.02
Al2O3	14.38	0.07	24.25	0.12
Fe2O3	3.29	0.08	4.22	0.10
FeO	5.16	0.10	0.88	0.03
MnO	0.147	0.001	0.068	0.001
MgO	8.14	0.06	2.12	0.03
CaO	9.60	0.06	8.91	0.07
Na2O	2.63	0.02	2.24	0.02
K2O	1.32	0.01	1.27	0.01
P2O5	0.256	0.005	0.586	0.005
H2O+	1.53	0.03	0.37	0.01
H2O-	1.06	0.02	0.18	0.01
T-Fe2O3	9.02	0.07	5.20	0.03
As	1.24	0.03	29.1	0.5
Be	1.30	0.04	4.06	0.11
T-C	419	4	13500	160
Co	40.3	1.1	37.4	0.9
Cr	439	11	75	3
Cs	1.21	0.03	8.6	0.2
Cu	55.5	0.8	122	2
Li	10.8	0.3	91.0	0.9
Ni	148	2	32.2	1.1
Pb	6.8	0.3	47.2	1.7
Rb	39.1	0.6	54.1	0.6
T-S	10	2	1960	41
Sb	0.20	0.01	2.1	0.1
Sr	439	4	1100	10
V	214	3	243	3
Zn	80.0	2.1	63.0	2.6