Petrogenesis of Quaternary Shoshonitic Volcanism in NE Iran (Ardabil): Implication for Postcollisional Magmatism

Table 2

Whole rock and Sr-Nd isotope composition of the Sabalan volcanic rocks.

Name	S08-3	S08-1	S08-2	S08-4	S08-5	S08-6	S08-7	S08-8	S08-9	S08-10
SiO2	61.2	58.8	65.4	60.4	64.9	57.6	63.5	64.4	64.6	65.2
Al2O3	16.8	16.8	15	16.5	15.2	16.5	14.6	14.9	14.95	15
FeOt	5.09	6.06	3.69	5.08	3.97	6.08	3.62	3.73	3.82	3.75
CaO	5.45	6.17	2.62	5.37	2.64	5.8	2.61	2.69	2.73	2.65
MgO	2.4	2.46	1.09	2.41	1.08	2.99	1.08	1.1	1.1	1.06
Na2O	3.57	4.01	4.11	3.52	4.25	3.97	4.08	4.06	4.03	4.02
K2O	2.86	2.83	4.68	2.81	4.6	2.49	4.17	4.58	4.69	4.78
TiO2	0.7	0.89	0.7	0.7	0.71	0.88	0.68	0.71	0.71	0.7
MnO	0.1	0.1	0.09	0.1	0.09	0.11	0.09	0.09	0.09	0.08
P2O5	0.27	0.42	0.25	0.26	0.25	0.41	0.24	0.25	0.28	0.25
LOI	1.54	1.68	1.32	1.49	1.88	1.09	3.24	1.36	1.59	1.45
Total	100	100.5	99.2	98.8	99.8	98.1	98.1	98	98.7	99.1
Ba	844	1500	829	809	1140	784	1015	748	744	775
Ce	78.5	98.1	127.5	78.3	127.5	90	124.5	125.5	123.5	125
Cr	60	90	450	40	140	90	80	30	230	20
Cs	2.07	1.63	5.07	2.01	4.98	1.5	4.92	4.81	4.78	4.89
Dy	3.15	3.84	4.06	3.18	4.2	3.55	4.04	3.99	4.06	4.06
Er	1.88	2.27	2.48	1.87	2.6	2.01	2.47	2.5	2.45	2.56
Eu	1.29	1.65	1.36	1.31	1.4	1.53	1.33	1.37	1.39	1.35
Gd	4.62	5.78	6.27	4.54	6.43	5.29	6.14	6.13	6.15	6.18
Hf	4.9	5.7	8.7	4.8	9	5.1	8.5	8.6	8.5	8.7
Ho	0.64	0.77	0.82	0.63	0.85	0.7	0.84	0.81	0.82	0.83
La	46.6	57.5	73.4	46.3	73.5	52	71.9	72	70.4	72
Lu	0.27	0.32	0.41	0.27	0.42	0.27	0.39	0.39	0.39	0.4
Nb	20.9	28.3	48.8	21	49.3	25.1	47.1	46.9	46.4	47.5
Nd	27.6	35.4	41.4	27.4	41.5	32.3	41	40.7	40.7	40.4
Ni	28	32	8	28	9	36	6	7	8	7
Pb	13	16	21	14	23	13	20	24	19	23
Pr	7.9	10.05	12.45	7.92	12.5	9.1	12.4	12.4	12.25	12.3
Rb	72	71.5	180.5	72.4	180	64.5	173.5	176.5	176	179
Sm	4.79	5.88	6.61	4.66	6.62	5.46	6.52	6.58	6.46	6.44
Sr	626	837	401	622	410	751	448	415	421	415
Ta	1.4	1.8	3.4	1.4	3.6	1.6	3.3	3.4	3.3	3.4
Tb	0.61	0.75	0.79	0.59	0.83	0.69	0.78	0.77	0.77	0.78
Th	9.28	10.1	26.3	9.2	26.7	9.08	25.7	25.5	25.1	25.8
Tm	0.26	0.31	0.38	0.26	0.38	0.28	0.36	0.36	0.36	0.37
U	2.75	2.67	7.11	2.72	7.11	2.37	6.87	6.89	6.81	6.98
V	100	121	59	99	58	118	58	58	60	57
Y	17.7	21.2	23.7	17.9	23.9	19.2	23.5	23.4	23.3	23.6
Yb	1.78	2.02	2.61	1.77	2.7	1.85	2.58	2.55	2.52	2.56
Zn	72	89	102	98	81	89	72	95	68	92
Zr	210	253	368	211	376	230	356	356	354	357
^87Sr/^86Sr							0.70511		0.70452	0.70443
^143Nd/^144Nd							0.51273		0.51269	0.51271
𝜀Nd							1.8		1.04	1.4