The evolution of the Sesia Zone (Western Alps) from Carboniferous to Cretaceous: insights from zircon and allanite geochronology

Vho, Alice; Rubatto, Daniela; Lanari, Pierre; Regis, Daniele

doi:10.1186/s00015-020-00372-4

Swiss Journal of Geosciences

Table 5 U, Th and Pb LA-ICP-MS allanite data for the Ivozio Complex samples

From: The evolution of the Sesia Zone (Western Alps) from Carboniferous to Cretaceous: insights from zircon and allanite geochronology

Spot name	Th/U	f206^a	f208^b	²³⁸U/²⁰⁶Pb total	± 1σ%	²⁰⁸Pb/²³²Th total	± 1σ%	²⁰⁷Pb/²⁰⁶Pb total	± 1σ%	²⁰⁶Pb/²⁰⁸Pb total	± 1σ%
AV16-53 blueschist
c7	1.4	0.47	0.94	45.3842	2.67	0.02610	2.23	0.3975	4.17	0.9643	3.06
c8	3.2	0.68	0.92	32.5109	3.58	0.02347	2.16	0.5616	5.61	0.6415	3.32
c9	1.0	0.83	1.00	21.9071	3.38	0.11706	2.48	0.6679	2.72	0.6246	2.47
c10	1.6	0.76	1.00	25.2766	2.62	0.05869	2.57	0.6163	3.46	0.6552	3.08
c11	0.9	0.58	1.00	39.3254	2.70	0.04890	2.28	0.4830	4.60	0.8628	3.77
c12	0.9	0.62	1.00	39.3052	2.04	0.05599	1.87	0.5100	2.76	0.7757	2.37
c13	1.5	0.62	0.95	38.9272	1.78	0.03575	1.52	0.5144	2.03	0.7335	1.73
c14	2.9	0.62	0.90	39.7005	2.59	0.01937	2.45	0.5135	2.89	0.6944	2.16
c15	2.6	0.62	0.93	34.7896	2.30	0.02448	1.80	0.5167	3.05	0.7163	2.22
c16	3.2	0.62	0.88	39.9085	3.27	0.03187	3.74	0.5124	4.06	0.6841	3.41
d8	1.8	0.66	0.99	34.9907	2.60	0.03625	3.94	0.5421	3.18	0.7221	2.73
d9	3.2	0.85	1.00	13.7847	7.00	0.06560	7.83	0.6840	2.72	0.5769	2.84
d10	1.2	0.58	1.00	42.0500	4.27	0.03704	3.98	0.4842	3.76	0.8437	3.48
d12	2.7	0.61	0.95	44.8335	1.90	0.01756	3.59	0.5054	2.62	0.7490	2.06
d13	2.6	0.68	0.93	34.8697	4.60	0.02557	4.20	0.5608	6.72	0.6537	3.77
d16	1.1	0.80	1.00	18.9065	2.11	0.12460	3.75	0.6460	2.27	0.6029	1.98
e7	8.3	0.64	0.72	33.0024	2.19	0.01054	3.11	0.5321	2.69	0.5349	2.03
e8	1.8	0.59	0.91	40.8419	3.07	0.02757	3.32	0.4883	4.44	0.7411	2.85
e9	1.1	0.58	0.96	41.6844	1.51	0.03998	3.13	0.4831	1.99	0.7945	1.78
e10	2.6	0.75	0.96	23.9594	3.25	0.03838	4.04	0.6111	2.82	0.6153	2.67
e11	1.0	0.64	1.00	38.6649	1.95	0.05483	3.16	0.5297	2.04	0.7533	2.10
e14	0.4	0.62	1.00	38.6961	2.46	0.12957	3.51	0.5133	2.80	0.8059	2.11
e15	1.5	0.42	0.83	57.0535	2.05	0.01856	3.24	0.3610	3.62	0.9548	2.31
e16	1.7	0.69	0.97	33.0640	2.37	0.03963	3.39	0.5691	2.81	0.6672	2.75
AV16-57 eclogite
b7	7.7	0.97	0.98	2.6549	1.95	0.1854	1.99	0.8027	0.97	0.4844	0.93
b8	16.7	0.97	0.97	1.5166	1.32	0.1516	2.03	0.8092	0.79	0.4753	0.71
b9	1.1	0.95	1.00	8.3277	1.32	0.3687	2.27	0.7887	0.78	0.5034	0.71
b10	16.7	0.99	0.98	1.5057	1.37	0.1488	2.08	0.8240	0.92	0.4741	0.85
b11	20.0	0.99	0.97	1.6376	1.20	0.1140	1.95	0.8198	0.62	0.4709	1.20
b12	0.7	0.92	0.99	8.6096	1.37	0.5450	2.02	0.7640	0.70	0.5161	0.61
b13	5.9	0.99	1.00	1.7627	2.53	0.3579	2.05	0.8223	1.25	0.4835	2.53
b14	2.0	0.97	1.00	2.7664	1.02	0.6386	2.20	0.8051	0.50	0.4936	0.51
b15	8.3	0.98	0.99	1.6850	1.21	0.2575	2.08	0.8156	0.75	0.4832	1.21
b16	12.5	0.99	0.99	1.4259	1.15	0.1937	2.14	0.8221	0.71	0.4770	0.63
c7	16.7	0.99	1.00	1.5522	1.55	0.1356	1.62	0.8215	1.67	0.4836	1.55
c8	1.5	0.97	0.99	3.4007	0.85	0.7082	1.60	0.8093	0.63	0.4882	0.58
c9	1.0	0.93	0.98	7.7205	1.37	0.4574	1.71	0.7714	1.16	0.5089	1.20
c10	0.7	0.92	1.00	8.6707	0.80	0.5316	1.54	0.7643	0.65	0.5217	0.66
c11	0.8	0.93	1.00	7.8524	1.18	0.5374	1.66	0.7759	0.66	0.5141	1.18
c12	4.3	0.99	0.99	1.5587	1.22	0.5318	1.64	0.8186	0.66	0.4828	0.73
c13	6.3	0.96	0.97	2.4700	1.75	0.2223	1.77	0.7983	1.23	0.4841	1.36
c14	0.7	0.94	1.00	7.0530	1.04	0.6764	1.55	0.7846	0.73	0.5067	0.69
c16	16.7	0.99	0.98	1.4934	0.98	0.1405	1.55	0.8222	0.76	0.4732	0.68

^a,bSee Table 3

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