Pre-Alpine thermal history recorded in the continental crust from Alpine Corsica (France): evidence from zircon and allanite LA-ICP-MS dating

Di Rosa, Maria; Farina, Federico; Lanari, Pierre; Marroni, Michele

doi:10.1186/s00015-020-00374-2

Swiss Journal of Geosciences

Table 1 Zircon LA-ICP-MS U–Pb dates [samples CMD50E, CMD37 and CMD33(43)]

From: Pre-Alpine thermal history recorded in the continental crust from Alpine Corsica (France): evidence from zircon and allanite LA-ICP-MS dating

	Isotopic ratios						ρ	Dates (Ma)		Apparent dates (Ma)				Conc. (%)
	²⁰⁶Pb/²³⁸U	σ	²⁰⁷Pb/²³⁵U	σ	²⁰⁷Pb/²⁰⁶Pb	σ	ρ	²⁰⁶Pb/²³⁸U	σ	²⁰⁷Pb/²³⁵U	σ	²⁰⁷Pb/²⁰⁶Pb	σ	Conc. (%)
		CMD50E
jn11a05	0.0439	0.000694	0.316	0.021	0.05366	0.003	0.24	276.9	4.3	278.8	16	356	136	77.8
jn11a06	0.0436	0.000584	0.314	0.021	0.05144	0.003	0.20	275.4	3.6	277.3	15.9	260	124	105.9
jn11a07	0.0437	0.000472	0.3133	0.013	0.05261	0.002	0.26	275.4	2.9	276.7	9.9	310	82	88.8
jn11a10	0.0434	0.000512	0.3147	0.016	0.05255	0.002	0.23	273.7	3.2	277.8	12.4	308	96	88.9
jn11a11	0.0437	0.000647	0.3214	0.023	0.05338	0.003	0.21	275.6	4	283	17.4	344	126	80.1
jn11a12	0.0436	0.000715	0.3167	0.021	0.05409	0.003	0.25	275.3	4.4	279.3	16.3	374	130	73.6
jn11a13	0.0442	0.000778	0.319	0.027	0.05194	0.004	0.21	278.5	4.8	281.2	20.9	282	170	98.8
jn11b05	0.0438	0.000622	0.307	0.015	0.0508	0.002	0.29	276.1	3.9	271.9	11.5	230	100	120.0
jn11b06	0.0436	0.000567	0.3207	0.016	0.05324	0.002	0.27	275	3.5	282.5	12	338	94	81.4
jn11b07	0.0436	0.000488	0.3151	0.015	0.05234	0.002	0.23	275.2	3	278.1	11.9	300	98	91.7
jn11b08	0.0433	0.000563	0.3109	0.017	0.05187	0.003	0.23	273.5	3.5	274.9	13.5	278	114	98.4
jn11b09	0.0439	0.000632	0.31	0.020	0.05176	0.003	0.23	276.8	3.9	274.2	15.3	274	126	101.0
jn11b10	0.0432	0.000812	0.3105	0.024	0.05291	0.003	0.24	272.6	5	274.6	18.5	324	148	84.1
jn11b11	0.0433	0.000615	0.3102	0.021	0.0518	0.003	0.21	273.5	3.8	274.3	16.1	276	116	99.1
jn11b12	0.0433	0.000537	0.323	0.016	0.05256	0.003	0.25	273.1	3.3	284.2	12.5	310	112	88.1
jn11b13	0.0436	0.000645	0.3086	0.023	0.05045	0.003	0.20	275.1	4	273.1	17.5	214	136	128.6
jn11b14	0.0425	0.000604	0.2973	0.018	0.05041	0.003	0.24	268.3	3.7	264.3	13.7	214	124	125.4
jn11g08	0.045	0.000558	0.3334	0.016	0.05257	0.002	0.25	283.6	3.5	292.2	12.5	310	102	91.5
jn11g09	0.0386	0.001482	0.2772	0.040	0.05315	0.007	0.27	244.3	9.2	248.4	31.9	334	320	73.1
jn11g10	0.0437	0.000577	0.3077	0.016	0.05062	0.002	0.25	276	3.6	272.4	12.7	222	112	124.3
jn11g11	0.0443	0.000558	0.3084	0.019	0.05048	0.002	0.21	279.3	3.5	272.9	14.5	216	106	129.3
jn11g12	0.0436	0.000933	0.3083	0.038	0.05114	0.005	0.17	275.4	5.8	272.9	29.5	246	224	112.0
jn11g13	0.0437	0.000481	0.3057	0.012	0.05157	0.002	0.29	276	2.9	270.8	9.1	266	78	103.8
jn11g14	0.0443	0.000656	0.3219	0.022	0.05372	0.003	0.21	279.2	4	283.4	17.1	358	134	78.0
jn11u05	0.0445	0.000605	0.3157	0.016	0.05151	0.002	0.27	280.9	3.8	278.6	12.5	262	106	107.2
jn11u06	0.0448	0.000896	0.3063	0.029	0.05057	0.004	0.21	282.3	5.6	271.3	22.2	220	176	128.3
jn11u07	0.0438	0.000639	0.3235	0.021	0.05349	0.003	0.22	276.6	3.9	284.6	16.3	348	124	79.5
jn11u11	0.0442	0.000592	0.3129	0.018	0.05185	0.003	0.24	278.6	3.7	276.4	13.8	278	118	100.2
jn11u12	0.0427	0.000598	0.3177	0.020	0.05344	0.003	0.22	269.8	3.7	280.2	15.4	346	122	78.0
jn11u14	0.0439	0.000711	0.3166	0.024	0.05191	0.003	0.21	277.2	4.4	279.3	18.6	280	138	99.0
		CMD37
jn11h05	0.0427	0.000658	0.3005	0.017	0.05191	0.012	0.27	269.4	4.1	266.8	13.5	280	130	96.2
jn11h06	0.0461	0.000479	0.3244	0.012	0.05175	0.010	0.28	290.5	3	285.3	9.1	274	74	106.0
jn11h07	0.0461	0.000452	0.3261	0.010	0.05157	0.014	0.32	290.3	2.8	286.6	7.7	266	62	109.1
jn11h08	0.0452	0.000497	0.341	0.014	0.05468	0.014	0.26	285.2	3	298	10.9	398	76	71.7
jn11h09	0.0468	0.000534	0.3424	0.014	0.05379	0.015	0.29	294.7	3.3	299	10.2	362	82	81.4
jn11h10	0.0439	0.0005	0.3226	0.015	0.05314	0.013	0.24	276.8	3.1	283.9	11.7	334	94	82.9
jn11h11	0.0451	0.000532	0.3299	0.013	0.05294	0.015	0.31	284.3	3.3	289.5	9.7	326	80	87.2
jn11h12	0.042	0.000563	0.3006	0.015	0.05214	0.013	0.26	265.3	3.5	266.9	11.9	290	108	91.5
jn11h13	0.0443	0.00047	0.3169	0.013	0.05236	0.011	0.26	279.4	2.9	279.5	9.9	300	84	93.1
jn11h14	0.0467	0.000486	0.3328	0.011	0.05132	0.014	0.31	294	3	291.7	8.4	254	64	115.7
jn11i05	0.0438	0.000491	0.3122	0.014	0.05175	0.011	0.25	276.5	3	275.9	10.7	274	94	100.9
jn11i06	0.0445	0.000401	0.3247	0.011	0.0528	0.031	0.28	280.4	2.5	285.5	8	320	66	87.6
jn11i08	0.0459	0.000633	0.3259	0.016	0.05123	0.016	0.29	289.6	3.9	286.4	12	250	106	115.8
jn11i09	0.0437	0.000568	0.3066	0.016	0.0513	0.013	0.25	276	3.5	271.5	12.4	254	102	108.7
jn11i10	0.0455	0.000528	0.333	0.013	0.05321	0.011	0.29	287	3.3	291.9	10.2	336	80	85.4
jn11i11	0.0442	0.000469	0.3129	0.011	0.05096	0.015	0.32	278.8	2.9	276.4	8.1	238	72	117.1
jn11i12	0.0446	0.000544	0.3202	0.015	0.05178	0.015	0.27	281.1	3.3	282	11.3	274	96	102.6
jn11i13	0.0458	0.000495	0.3344	0.015	0.05257	0.034	0.24	288.7	3	292.9	11.4	310	86	93.1
		CMD33(43)
jn11l05	0.0458	0.000403	0.3302	0.008	0.052	0.001	0.38	288.9	2.5	289.7	5.8	284	46	101.7
jn11l08	0.0421	0.00064	0.3063	0.013	0.05283	0.02	0.37	266	4	271.3	9.9	320	84	83.1
jn11l11	0.0449	0.000404	0.3258	0.007	0.05273	0.001	0.45	282.9	2.5	286.4	5	316	44	89.5
jn11l13	0.0458	0.00044	0.3279	0.008	0.05151	0.001	0.38	288.7	2.7	287.9	6.3	262	52	110.2
jn11m07	0.0442	0.000389	0.3251	0.007	0.05336	0.001	0.41	278.9	2.4	285.8	5.4	344	42	81.1
jn11m10	0.0449	0.000413	0.3235	0.008	0.05236	0.001	0.39	283.2	2.6	284.6	5.8	300	44	94.4
jn11m14	0.0452	0.000407	0.3206	0.008	0.0516	0.001	0.38	285.1	2.5	282.3	5.9	266	48	107.2
		Plešovice
ples-b15	0.054	0.000421	0.3954	0.007987	0.05306	0.000934	0.39	338.8	2.6	338.3	5.8	330	40	102.7
ples-b16	0.0538	0.000463	0.3957	0.008943	0.05315	0.001084	0.38	337.8	2.8	338.5	6.5	334	46	101.1
ples-c15	0.054	0.000432	0.4008	0.007375	0.05365	0.00088	0.43	339	2.7	342.2	5.4	356	38	95.2
ples-d15	0.0536	0.000429	0.4008	0.00978	0.05403	0.001189	0.33	336.9	2.6	342.2	7.1	372	50	90.6
ples-f16	0.0538	0.000484	0.3915	0.008848	0.05289	0.001058	0.40	337.9	2.9	335.4	6.5	322	46	104.9
ples-h15	0.054	0.000454	0.3924	0.009418	0.05279	0.001172	0.35	339.1	2.8	336.1	6.9	318	50	106.6
ples-i16	0.0537	0.000473	0.3991	0.010536	0.05346	0.001208	0.33	337.4	2.9	341	7.6	348	50	97.0
ples-m15	0.0536	0.000461	0.3847	0.007309	0.05263	0.000895	0.45	336.9	2.8	330.5	5.4	312	40	108.0
ples-m16	0.0539	0.000464	0.4001	0.008482	0.05365	0.000976	0.41	338.7	2.8	341.7	6.1	356	42	95.1
ples-o16	0.054	0.000432	0.4009	0.010183	0.05407	0.001308	0.42	337.6	2.8	339	5.8	348	44	97.0
ples-p15	0.0539	0.000442	0.3952	0.007904	0.0534	0.000918	0.41	338.2	2.7	338.2	5.7	344	38	98.3
ples-r15	0.054	0.000475	0.4062	0.008611	0.0536	0.000922	0.42	339.1	2.9	346.2	6.2	354	38	95.8
ples-t16	0.054	0.000486	0.3937	0.009606	0.05326	0.001172	0.37	338.9	2.9	337.1	7	338	50	100.3
ples-u16	0.0537	0.000451	0.3946	0.007892	0.05354	0.000974	0.42	336.9	2.7	337.7	5.7	350	42	96.3
ples-v15	0.0535	0.000482	0.3905	0.008279	0.05325	0.00098	0.42	336	3	334.7	6.1	338	42	99.4

The results related to the secondary standard “Plešovice” are also reported. “ρ” indicates the ratio [(²⁰⁶Pb/²³⁸U)_(2S.D.)/(²⁰⁶Pb/²³⁸U)]/[( ²⁰⁷Pb/²³⁵U)_(2S.D.)/(²⁰⁷Pb/²³⁵U)]. “Conc.” Indicates the ratio (Age ²⁰⁶Pb/²³⁸U)/(Age ²⁰⁷Pb/²⁰⁶Pb) *100

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