Bristen granite: a highly differentiated, fluorite-bearing A-type granite from the Aar massif, Central Alps, Switzerland

Swiss Journal of Geosciences

Table 13 Rare Earth Element (REE) composition of Bristen granite (Brgr), central Aar granite (cAgr) and southerm Aar granite (sAgr) (ppm)

Sample KB	1361	1362	1363	1364	1365	1366	1367
Unit	Brgr	Brgr	Brgr	Brgr	Brgr	cAgr	sAgr
Tm^a	8.544	8.61	8.745	8.77	8.868	14.600	16.65
La	13.1	20.8	16.2	16.8	17.6	67.8	42.8
Ce	37.2	55.2	41.5	47.6	44.7	117	79.7
Pr	6.05	8.46	6.25	7.57	6.51	12.5	9.66
Nd	24	31.6	23.4	29.6	24.2	37.2	30.6
Sm	9.6	10.5	8.2	11.4	8.1	5.4	5.6
Eu	0.05	0.05	0.05	0.05	0.07	1.21	1.21
Gd	12.6	12	9.17	14	8.8	3.85	3.88
Tb	2.53	2.25	1.78	2.7	1.68	0.58	0.66
Dy	17.9	16	12.7	19.1	11.8	3.32	3.05
Ho	3.71	3.29	2.54	3.9	2.26	0.63	0.54
Er	11.3	9.76	7.74	12.2	7.03	1.85	1.41
Tm	2.04	1.73	1.34	2.24	1.22	0.3	0.28
Yb	12.5	10.5	7.9	13.2	7.5	1.9	1.2
Lu	2.25	1.81	1.36	2.28	1.27	0.38	0.28
REE total	154.83	183.95	140.13	182.64	142.74	253.92	180.87
LREE	102.6	138.61	104.77	127.02	109.98	244.96	173.45
HREE	52.23	45.34	35.36	55.62	32.76	8.96	7.42
HREE %	33.7	24.6	25.2	30.5	23.0	3.5	4.1

Other trace elements are listed in Table 12
^aTm Distance from north portal in kilometer; Detection limits (ppm): Ce, La, Nd, Sm, Yb = 0.1; all other 0.05