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

Bucher, Kurt; Seelig, Ulrike

doi:10.1007/s00015-017-0294-z

Swiss Journal of Geosciences

Table 9 Partial analyses of two different Ti–Y-niobates (2 cations and 4 oxygens)

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

Point	20	22	19	2	11	12	16	17
TiO₂	43.60	43.76	41.55	28.81	28.66	26.96	26.32	25.67
Nb₂O₅	8.82	8.48	10.87	17.69	21.70	23.38	24.22	24.11
Ta₂O₅	0.32	0.31	0.36	0.92	1.50	1.33	1.45	1.34
ThO₂	0.19	0.33	0.36	0.81	0.99	1.93	2.35	2.28
UO₂	2.07	2.79	3.23	22.24	8.72	9.61	10.01	10.54
Y₂O₃	21.74	24.10	20.94	12.33	13.68	12.21	13.08	12.80
La₂O₃	0.03	0.13	0.11	0.00	0.02	0.09	0.00	0.03
Ce₂O₃	0.29	0.56	0.02	0.47	0.40	0.43	0.63	0.31
Pr₂O₃	0.18	0.29	0.07	0.03	0.11	0.02	0.00	0.14
Nd₂O₃	1.08	1.42	0.58	0.14	0.66	0.55	0.50	0.73
Sm₂O₃	0.76	1.01	0.53	0.42	0.63	0.36	0.68	0.87
Gd₂O₃	2.44	2.31	2.39	1.51	2.76	1.97	2.46	2.45
Dy₂O₃	2.66	3.54	3.59	2.18	4.48	4.10	3.62	4.04
Er₂O₃	3.94	4.58	3.58	3.99	5.12	5.18	5.08	6.00
Yb₂O₃	4.68	3.82	4.12	4.07	3.76	4.15	4.29	4.75
CaO	0.71	0.56	0.71	1.60	2.04	2.72	2.49	2.49
Total	93.50	97.99	93.00	97.22	95.22	94.99	97.19	98.55
Ti	1.911	1.867	1.843	1.404	1.353	1.285	1.239	1.212
Nb	0.240	0.225	0.300	0.536	0.637	0.693	0.710	0.708
Ta	0.005	0.005	0.006	0.016	0.026	0.023	0.025	0.023
Th	0.003	0.004	0.005	0.012	0.014	0.028	0.034	0.033
U	0.027	0.035	0.042	0.321	0.122	0.136	0.139	0.147
Y	0.674	0.727	0.657	0.425	0.457	0.412	0.436	0.428
La	0.001	0.003	0.002	0.000	0.001	0.002	0.000	0.001
Ce	0.006	0.012	0.000	0.011	0.009	0.010	0.014	0.007
Pr	0.004	0.006	0.001	0.001	0.003	0.001	0.000	0.003
Nd	0.022	0.029	0.012	0.003	0.015	0.012	0.011	0.016
Sm	0.015	0.020	0.011	0.009	0.014	0.008	0.015	0.019
Gd	0.047	0.043	0.047	0.032	0.057	0.041	0.051	0.051
Dy	0.050	0.065	0.068	0.046	0.091	0.084	0.073	0.082
Er	0.072	0.082	0.066	0.081	0.101	0.103	0.100	0.118
Yb	0.083	0.066	0.074	0.080	0.072	0.080	0.082	0.091
Ca	0.044	0.034	0.045	0.111	0.137	0.184	0.167	0.167
REE	0.301	0.325	0.283	0.264	0.361	0.341	0.346	0.388
Y	0.674	0.727	0.657	0.425	0.457	0.412	0.436	0.428
Th	0.003	0.004	0.005	0.012	0.014	0.028	0.034	0.033
U	0.027	0.035	0.042	0.321	0.122	0.136	0.139	0.147
sum	1.004	1.092	0.987	1.022	0.954	0.916	0.955	0.995
Y	0.674	0.727	0.657	0.425	0.457	0.412	0.436	0.428
LREE	0.048	0.069	0.027	0.024	0.040	0.033	0.040	0.046
HREE	0.252	0.256	0.255	0.240	0.321	0.308	0.306	0.342
REE total + Y	0.975	1.052	0.940	0.689	0.818	0.753	0.782	0.815
Nb	0.240	0.225	0.300	0.536	0.637	0.693	0.710	0.708
Ta	0.005	0.005	0.006	0.016	0.026	0.023	0.025	0.023
Ti	1.911	1.867	1.843	1.404	1.353	1.285	1.239	1.212
sum	2.156	2.097	2.149	1.957	2.016	2.001	1.974	1.943

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