Supplementary material
DENELE, Y., LAUMONIER, B., PAQUETTE, J.L., OLIVIER, P. GLEIZES, G. & BARBEY, P. Timing of granite emplacement, crustal flow and gneiss dome formation in the Variscan segment of the Pyrenees

Table 1. U-Th-Pb, Ar-Ar and K-Ar ages of granites from the Axial Zone of the Pyrenees.

Location	Rock type	Nature of analyzed material	Age data	Reference	
(1) Eaux-Chaudes.	Granodiorite	4 (sub)concordant abraded zircon fractions	301.2 ± 8.7 Ma, MSWD = 0.01	Ternet et al. 2004	
(2) Crêtes Blanches	Microgranite	9 subconcordant zircon grains	314.2 ± 1.5 Ma, MSWD = 1.4	Ternet et al. 2004	
(3) Cauterets	(3a) Granodiorite
(3b) Granodiorite	zircon fraction
20 (sub)concordant zircon grains	301 ± 7 Ma
310 ± 2 Ma, MSWD = 2.1	Majesté-Menjoulàs et al. 1999
Denèle 2007	
(4) Bordères-Louron	Monzogranite	5 concordant zircon grains	309.4 ± 3.9 Ma, MSWD = 0.11	Gleizes et al. 2006	
(5) Bossòst (Garonne)	(a) Granite
(b) Tonalite
(c) Granite	8 concordant zircon grains
4 analyses on a single zircon grain
15 concordant zircon analyses	331.1 ± 2.9 Ma, MSWD = 3.2
328.6 ± 4.1 Ma, MSWD = 6.1
336.9 ± 2.1 Ma, MSWD = 2.8	Mezger 2010	
(6) Maladeta	(6a) Leucogranite (Aneto)
(6b) Contact aureole marble	zircon fraction
K-Ar on phlogopite	298 ± 2.4 Ma
295 ± 11 Ma	Evans 1993
Palau et al. 1997	
(7) Bassiès	Monzogranite	zircon fraction	312 ± 2 Ma	Paquette et al. 1997	
(8) Ax-les-Thermes	Granite	9 (sub)concordant zircon analyses	321 ± 7 Ma, MSWD = 1.9	Denèle 2007	
(9) Andorre	(9a) Endo-skarn
(9b) Granodiorite	2 titanite concordant fractions
K-Ar on biotite	305 ± 3 Ma
307 ± 12 Ma, 309 ± 12 Ma	Romer & Soler 1995
Palau et al. 1997	
(10) Mont-Louis	(10a) Hbl-bt granodiorite
(10b) Bt granodiorite
(10c) Hbl-bt granodiorite
(10d) Monzogranite	11 concordant zircon analyses
10 concordant zircon analyses
Ar-Ar on hornblende
monazite fraction	305.8 ± 8.4 Ma, MSWD = 0.38
305.0 ± 6.3 Ma, MSWD = 1.3
299.8 ± 2.9 Ma
302 ± 2 Ma	
Maurel 2003; Maurel et al. 2004

Alexandrov 2000	
(11) Quérigut	(11a) Tonalite
(11b) Granodiorite
(11c) Granodiorite
(11d) Granodiorite	4 abraded zircon fractions
subconcordant analyses on 14 zircons
6 (sub)concordant zircon analyses
Ar-Ar on hornblende	307 ± 2 Ma, MSWD = 0.1
302.7 ± 2.3 Ma, MSWD = 0.71
310.0 ± 3.6 Ma, MSWD = 1.6
303.4 ± 3.1 Ma	Roberts et al. 2000
Baudin et al. 2013a
Baudin et al. 2013a
Maurel 2003	
(12) Canigou	(12a) Pegmatite
(12b) Granite	K-Ar sur muscovite
monazite fraction	305 ± 6.5 Ma
305-298 Ma	Cheilletz, in Alexandrov 2000
Vitrac-Michard 1975	
(13) St Laurent-de-Cerdans	Miarolitic Coustouges granite	6 (sub)concordant zircon analyses	304.0 ± 5.4 Ma, MSWD = 2.1	Baudin et al. 2013b	
(14) Guilleries	(a) Susqueda hbl-bt diorite
(b) Susqueda biotite granite
(c) Osor leucogranites

	9 concordant zircon analyses
12 concordant zircon analyses
8 concordant zircon analyses
1 concordant zircon analyse
12 concordant zircon analyses	323.6 ± 2.8 Ma, MSWD = 1.9
305.9 ± 1.5 Ma, MSWD = 0.85
299.0 ± 2.3 Ma, MSWD = 1.6
305.3 ± 1.9 Ma
305.9 ± 1.5 Ma, MSWD = 0.85	Martínez et al. 2008	
(15) La Jonquera	(a) Granodiorite
(b) Granodiorite	15 zircon analyses
Ar-Ar on a single hornblende grain	299 ± 6 Ma
301.7 ±3.2 Ma	Maurel 2003	
(16) Albères	(a) Quartz-diorite
(b) Migmatitic metagranite
(c) Leucogranite	4 concordant zircon fractions
U-Th-Pb on 10 monazite grains
U-Th-Pb on 50 monazite grains	307 ± 1 Ma, MSWD = 0.45
310 ± 4 Ma, MSWD = 1.1
298.5 ± 1.8 Ma, MSWD = 1.5	Guerrot, 2001, in Laumonier et al. 2013
Cocherie, 2008, in Laumonier et al. 2013
Cocherie, 2008, in Laumonier et al. 2013	

Table 2: LA-ICP-MS U-Th-Pb dating methodology, LMV, Clermont-Ferrand, France 

Laboratory & Sample Preparation	
Laboratory name	Laboratoire Magmas & Volcans, Clermont-Ferrand, France	
Sample type/mineral	Magmatic zircons 	
Sample preparation	Conventional mineral separation, 1 inch resin mount, 0.25mm polish to finish	
Imaging	CL, Jeol JSM-5910 LV,  15 kV, 19mm working distance	
Laser ablation system	
Make, Model & type	Resonetics/M-50E 193nm, Excimer	
Ablation cell & volume	Laurin Cell ® two volumes cell, Laurin Technic Ltd., volume ca. 1-2 cm3	
Laser wavelength 	193 nm	
Pulse width 	< 4 ns	
Fluence 	9.5 J.cm-2	
Repetition rate 	3 Hz	
Spot size 	26 µm	
Sampling mode / pattern	Single spot	
Carrier gas	100% He, Ar make-up gas and N2 combined using the Squid® device from RESOlution Instruments.	
Background collection 	30 secs	
Ablation duration	60 secs	
Wash-out delay	30 secs	
Cell carrier gas flow 	0.75 l/min	
ICP-MS Instrument	
Make, Model & type	Agilent 7500cs, Q-ICP-MS	
Sample introduction	Via conventional tubing 	
RF power 	1350W	
Make-up gas flow 	0.87 l/min Ar	
Detection system	Single collector secondary electron multiplier	
Masses measured	204, 206, 207, 208, 232, 238	
Integration time per peak 	10 ms 	
Total integration time per reading 	130 ms (should represent the time resolution of the data)	
Sensitvity / Efficiency 	20000 cps/ppm Pb (44µm, 10Hz)	
Dead time 	35 ns	
Data Processing	
Gas blank	30 second on-peak 	
Calibration strategy	GJ-1 used as primary reference material, 91500 and Plesovice used as secondary reference material (Quality Control)	
Reference Material info	91500       (Wiedenbeck et al. 1995)
Plesovice (Slama et al. 2008)
GJ1          (Jackson et al. 2004)
Temora    (Black et al. 2003)	
Data processing package used / Correction for LIEF	GLITTER ® (van Achterbergh et al., 2001)	
Mass discrimination	Standard-sample bracketing with 207Pb/206Pb and 206Pb/238U normalized to reference material GJ-1 	
Common-Pb correction, composition and uncertainty	No common-Pb correction. Analyses discarded when discordance >10% (except for zircon grains reported in Tera & Wasserburg diagrams)	
Uncertainty level & propagation	Ages are quoted at 2sigma absolute, propagation is by quadratic addition according to Horstwood et al. (2003). Reproducibility and age uncertainty 
of reference material are propagated.	
Quality control / Validation	91500:      Wtd ave 206Pb/238U age = 1066 ± 3 (2SD, MSWD = 0.3)
Plesovice: Wtd ave 206Pb/238U age =   339 ± 2 (2SD, MSWD = 0.9)
Temora:    Wtd ave 206Pb/238U age =   415 ± 2 (2SD, MSWD = 1.2)	
Other information	For detailed method description see Hurai et al. (2010).
For detailed laser technical description see Müller et al. (2009).	

Table 3. Zircon U-Pb data for Ax-les-Thermes, Carança, Mont-Louis and Cauterets granites obtained by in situ
Laser Ablation ICP-MS. Decay constants of Jaffrey et al. (1971).

Ax-les-Thermes					2 s error		2 s error	Age (Ma)	2 s error	
Sample	Pb(ppm)1	Th(ppm)1	U(ppm)1	Th/U	207Pb/235U2	207Pb/235U	206Pb/238U	206Pb/238U	206Pb/238U	206Pb/238U	
AX/1	21	214	171	1.25	0.7773	0.0232	0.09404	0.00196	579.4	11.5	
AX/2	20	39	236	0.17	0.7393	0.0184	0.08932	0.00182	551.5	10.7	
AX/3	66	6.5	702	0.01	0.8454	0.0183	0.10129	0.00202	622.0	11.8	
AX/4	41	66	470	0.14	0.7459	0.0163	0.09093	0.00180	561.1	10.7	
AX/5	49	240	581	0.41	0.6688	0.0182	0.08054	0.00162	499.3	9.7	
AX/6	32	124	382	0.32	0.6747	0.0158	0.08310	0.00164	514.6	9.7	
AX/7	267	876	2931	0.30	0.7559	0.0159	0.09119	0.00176	562.6	10.4	
AX/8	16	13	233	0.06	0.5836	0.0142	0.07520	0.00154	467.4	9.3	
AX/9	23	86	313	0.27	0.5758	0.0138	0.07457	0.00152	463.6	9.1	
AX/10	84	26	1322	0.02	0.5327	0.0118	0.06966	0.00142	434.1	8.5	
AX/11	19	27	258	0.11	0.6000	0.0146	0.07679	0.00156	476.9	9.4	
AX/12	22	22	329	0.07	0.5607	0.0143	0.07273	0.00148	452.6	8.9	
AX/13	18	24	241	0.10	0.6134	0.0147	0.07822	0.00158	485.5	9.4	
AX/14	34	48	520	0.09	0.5437	0.0124	0.06976	0.00140	434.7	8.4	
AX/15	53	40	816	0.05	0.5422	0.0118	0.07052	0.00140	439.3	8.4	
AX/16	67	67	1117	0.06	0.4987	0.0106	0.06543	0.00128	408.5	7.8	
AX/17	17	41	263	0.16	0.5313	0.0129	0.06890	0.00138	429.5	8.3	
AX/18	18	29	289	0.10	0.5173	0.0140	0.06621	0.00132	413.3	8.0	
AX/19	40	84	590	0.14	0.5552	0.0128	0.07113	0.00140	443.0	8.4	
AX/20	23	32	345	0.09	0.5467	0.0131	0.07060	0.00140	439.8	8.4	
AX/21	27	52	415	0.12	0.5316	0.0127	0.06889	0.00136	429.5	8.1	
AX/22	48	143	701	0.20	0.5437	0.0120	0.06989	0.00136	435.5	8.1	
AX/23	19	14	293	0.05	0.5556	0.0130	0.07128	0.00146	443.8	8.8	
AX/24	39	15	597	0.02	0.5525	0.0135	0.07020	0.00144	437.4	8.7	
AX/25	28	51	464	0.11	0.4958	0.0129	0.06455	0.00134	403.2	8.1	
AX/26	16	32	252	0.13	0.5232	0.0157	0.06857	0.00164	427.6	9.9	
AX/27	30	23	476	0.05	0.5195	0.0129	0.06578	0.00140	410.7	8.5	
AX/28	24	45	345	0.13	0.5466	0.0149	0.07084	0.00152	441.2	9.1	
AX/29	39	20	528	0.04	0.6057	0.0151	0.07671	0.00152	476.4	9.1	
AX/30	28	52	433	0.12	0.5368	0.0135	0.06921	0.00128	431.4	7.8	
AX/31	9	45	119	0.38	0.5691	0.0177	0.07276	0.00136	452.8	8.2	
AX/32	42	303	594	0.51	0.5026	0.0127	0.06492	0.00116	405.5	7.1	
AX/33	108	33	1625	0.02	0.5381	0.0111	0.07006	0.00122	436.5	7.4	
AX/34	85	25	1424	0.02	0.5173	0.0104	0.06785	0.00116	423.2	7.1	
AX/35	42	21	732	0.03	0.4912	0.0112	0.06496	0.00112	405.7	6.8	
AX/36	32	24	514	0.05	0.5233	0.0131	0.06814	0.00118	425.0	7.1	
AX/37	33	150	535	0.28	0.4832	0.0119	0.06267	0.00122	391.8	7.4	
AX/38	21	15	370	0.04	0.4723	0.0147	0.06224	0.00126	389.2	7.6	
AX/39	19	17	337	0.05	0.4627	0.0136	0.06054	0.00130	378.9	7.9	
AX/40	79	85	1370	0.06	0.4835	0.0116	0.06224	0.00128	389.2	7.8	
AX/41	34	24	648	0.04	0.4267	0.0121	0.05670	0.00134	355.5	8.1	
AX/42	40	13	737	0.02	0.4367	0.0109	0.05778	0.00124	362.1	7.6	
AX/43	29	4.4	603	0.01	0.3920	0.0098	0.05292	0.00116	332.5	7.1	
AX/44	17	13	352	0.04	0.3913	0.0125	0.05262	0.00112	330.6	6.8	
AX/45	55	45	1238	0.04	0.3488	0.0082	0.04841	0.00098	304.8	6.0	
AX/46	37	109	803	0.14	0.3550	0.0085	0.04813	0.00098	303.0	6.0	
AX/47	90	6.1	2086	0.00	0.3565	0.0089	0.04820	0.00114	303.5	7.0	
AX/48	32	1184	595	1.99	0.3701	0.0102	0.04785	0.00110	301.3	6.8	
AX/49	25	106	520	0.20	0.3551	0.0097	0.04874	0.00112	306.8	6.9	
AX/50	141	82	3134	0.03	0.3609	0.0087	0.04769	0.00108	300.3	6.6	
AX/51	26	133	562	0.24	0.3602	0.0091	0.04866	0.00108	306.3	6.6	
AX/52	30	331	587	0.56	0.3549	0.0089	0.04832	0.00106	304.2	6.5	
AX/53	18	3.6	415	0.01	0.3713	0.0126	0.04920	0.00106	309.6	6.6	
AX/54	35	39	800	0.05	0.3557	0.0085	0.04855	0.00102	305.6	6.2	
AX/55	50	81	1037	0.08	0.3526	0.0080	0.04881	0.00094	307.2	5.8	
AX/56	28	106	551	0.19	0.3514	0.0082	0.04911	0.00094	309.1	5.8	
AX/57	27	125	593	0.21	0.3704	0.0091	0.04885	0.00094	307.5	5.7	
AX/58	507	189	11609	0.02	0.3775	0.0075	0.04896	0.00090	308.1	5.5	
AX/59	55	165	1222	0.14	0.3369	0.0073	0.04701	0.00094	296.2	5.8	
AX/60	29	94	663	0.14	0.3302	0.0118	0.04620	0.00096	291.1	5.9	

Carança						2 s error		2 s error	Age (Ma)	2 s error	
Sample	Pb(ppm)	Th(ppm)	U(ppm)	Th/U	207Pb/235U	207Pb/235U	206Pb/238U	206Pb/238U	206Pb/238U	206Pb/238U	
CAA/1	65	579	799	0.72	0.5628	0.0146	0.07253	0.00166	451.4	10.0	
CAA/2	74	127	1641	0.08	0.3579	0.0088	0.04817	0.00110	303.3	6.8	
CAA/3	59	167	1264	0.13	0.3522	0.0090	0.04917	0.00112	309.4	6.9	
CAA/4	50	100	1093	0.09	0.3534	0.0090	0.04847	0.00112	305.1	6.8	
CAA/5	28	171	578	0.30	0.3506	0.0097	0.04841	0.00112	304.8	6.9	
CAA/6	99	324	2179	0.15	0.3497	0.0086	0.04789	0.00110	301.5	6.7	
CAA/7	41	45	873	0.05	0.3630	0.0097	0.05031	0.00116	316.4	7.1	
CAA/8	93	177	2074	0.09	0.3453	0.0085	0.04793	0.00110	301.8	6.7	
CAA/9	117	268	2554	0.10	0.3533	0.0086	0.04871	0.00112	306.6	6.8	
CAA/10	57	83	1282	0.06	0.3482	0.0096	0.04814	0.00112	303.1	6.8	
CAA/11	76	360	1633	0.22	0.3502	0.0089	0.04806	0.00110	302.6	6.8	
CAA/12	65	323	1367	0.24	0.3531	0.0090	0.04844	0.00112	304.9	6.8	
CAA/13	77	333	1654	0.20	0.3461	0.0087	0.04793	0.00110	301.8	6.8	
CAA/14	7.4	59	148	0.40	0.3505	0.0146	0.04865	0.00116	306.2	7.1	
CAA/15	44	113	976	0.12	0.3491	0.0092	0.04756	0.00110	299.5	6.7	
CAA/16	60	242	1269	0.19	0.3575	0.0094	0.04931	0.00114	310.3	7.0	
CAA/17	58	228	1231	0.18	0.3533	0.0092	0.04855	0.00112	305.6	6.9	
CAA/18	96	180	2131	0.08	0.3502	0.0090	0.04793	0.00110	301.8	6.8	
CAA/19	81	137	1787	0.08	0.3542	0.0088	0.04878	0.00112	307.0	6.9	
CAA/20	53	67	1194	0.06	0.3464	0.0095	0.04782	0.00110	301.1	6.8	
CAA/21	58	99	1295	0.08	0.3499	0.0090	0.04821	0.00110	303.5	6.8	
CAA/22	53	323	1111	0.29	0.3491	0.0091	0.04812	0.00110	303.0	6.8	
CAA/23	26	126	550	0.23	0.3503	0.0100	0.04793	0.00110	301.8	6.8	
CAA/24	213	695	4604	0.15	0.3517	0.0089	0.04846	0.00112	305.0	6.8	
CAA/25	89	150	2038	0.07	0.3429	0.0087	0.04707	0.00108	296.5	6.7	
CAA/26	101	184	2290	0.08	0.3430	0.0086	0.04742	0.00108	298.7	6.7	
CAA/27	77	117	1742	0.07	0.3461	0.0089	0.04758	0.00110	299.6	6.7	
CAA/28	169	783	3556	0.22	0.3567	0.0089	0.04877	0.00112	307.0	6.9	
CAA/29	43	39	943	0.04	0.3565	0.0096	0.04881	0.00112	307.2	6.9	
CAA/30	88	249	1911	0.13	0.3532	0.0090	0.04842	0.00112	304.8	6.8	
CAA/31	95	273	2041	0.13	0.3534	0.0090	0.04872	0.00112	306.7	6.9	
CAA/32	22	104	446	0.23	0.3513	0.0107	0.04922	0.00114	309.7	7.0	
CAA/33	28	199	563	0.35	0.3537	0.0101	0.04859	0.00112	305.9	6.9	
CAA/34	53	106	1153	0.09	0.3597	0.0096	0.04936	0.00114	310.6	7.0	
CAA/35	73	130	1618	0.08	0.3517	0.0091	0.04815	0.00110	303.1	6.8	
CAA/36	97	218	2131	0.10	0.3549	0.0091	0.04846	0.00112	305.0	6.9	
CAA/37	115	223	2561	0.09	0.3488	0.0089	0.04798	0.00110	302.1	6.8	
CAA/38	22	88	480	0.18	0.3541	0.0107	0.04797	0.00112	302.0	6.9	
CAA/39	17	91	354	0.26	0.3540	0.0116	0.04849	0.00114	305.2	7.0	
CAA/40	49	213	1039	0.20	0.3564	0.0099	0.04841	0.00112	304.7	6.9	
CAA/41	66	122	1475	0.08	0.3464	0.0093	0.04802	0.00110	302.4	6.8	
CAA/42	85	175	1881	0.09	0.3529	0.0093	0.04848	0.00112	305.2	6.9	
CAA/43	81	181	1794	0.10	0.3494	0.0093	0.04819	0.00112	303.4	6.8	
CAA/44	86	153	1893	0.08	0.3548	0.0097	0.04898	0.00114	308.3	7.0	
CAA/45	19	103	391	0.26	0.3504	0.0110	0.04836	0.00112	304.5	6.9	
CAA/46	74	137	1611	0.08	0.3603	0.0096	0.04947	0.00114	311.3	7.0	
CAA/47	71	163	1555	0.10	0.3545	0.0095	0.04900	0.00114	308.4	7.0	

Mont-Louis: Avellans				2 s error 		2 s error 	Age (Ma)	2 s error 	
Sample	Pb(ppm)	Th(ppm)	U(ppm)	Th/U	207Pb/235U	207Pb/235U	206Pb/238U2	206Pb/238U	206Pb/238U	206Pb/238U	
AVE/1	10	53	205	0.26	0.3517	0.0104	0.04727	0.00106	297.7	6.6	
AVE/2	17	105	358	0.29	0.3472	0.0091	0.04756	0.00106	299.5	6.5	
AVE/3	850	2884	18642	0.15	0.3458	0.0078	0.04812	0.00106	303.0	6.6	
AVE/4	215	1243	4531	0.27	0.3532	0.0080	0.04837	0.00108	304.5	6.6	
AVE/5	6.2	55	125	0.44	0.3545	0.0116	0.04830	0.00110	304.1	6.7	
AVE/6	11	51	231	0.22	0.3438	0.0100	0.04697	0.00106	295.9	6.5	
AVE/7	7.8	42	168	0.25	0.3489	0.0104	0.04733	0.00106	298.1	6.6	
AVE/8	7.8	49	164	0.30	0.3501	0.0105	0.04803	0.00108	302.4	6.7	
AVE/9	17	140	351	0.40	0.3488	0.0096	0.04841	0.00108	304.8	6.7	
AVE/10	14	90	304	0.30	0.3476	0.0103	0.04744	0.00106	298.8	6.6	
AVE/11	14	86	300	0.29	0.3490	0.0095	0.04816	0.00108	303.2	6.6	
AVE/12	64	289	1361	0.21	0.3482	0.0083	0.04830	0.00108	304.1	6.6	
AVE/13	6.1	43	127	0.34	0.3456	0.0124	0.04791	0.00110	301.7	6.7	
AVE/14	15	74	333	0.22	0.3431	0.0093	0.04728	0.00106	297.8	6.5	
AVE/15	2.8	18	57	0.31	0.3473	0.0155	0.04751	0.00112	299.2	6.8	
AVE/16	40	219	422	0.52	0.7044	0.0178	0.08636	0.00192	534.0	11.4	
AVE/17	28	103	448	0.23	0.5132	0.0129	0.06510	0.00146	406.6	8.8	
AVE/18	44	35	731	0.05	0.5075	0.0126	0.06511	0.00146	406.6	8.8	
AVE/19	6.7	63	66	0.94	0.7225	0.0278	0.08724	0.00204	539.2	12.1	
AVE/20	44	255	824	0.31	0.4091	0.0117	0.05310	0.00120	333.5	7.3	
AVE/21	25	53	367	0.14	0.5460	0.0141	0.07131	0.00158	444.1	9.6	
AVE/22	41	128	678	0.19	0.4873	0.0129	0.06310	0.00140	394.4	8.5	

Mont-Louis: Carol				2 s error		2 s error	Age (Ma)	2 s error	
Sample	Pb(ppm)	Th(ppm)	U(ppm)	Th/U	207Pb/235U	207Pb/235U	206Pb/238U	206Pb/238U	206Pb/238U	206Pb/238U	
CAO/1	47	236	1035	0.23	0.3414	0.0093	0.04695	0.00110	295.8	6.7	
CAO/2	27	184	535	0.34	0.3604	0.0109	0.04937	0.00116	310.7	7.2	
CAO/3	31	122	662	0.18	0.3489	0.0111	0.04849	0.00116	305.2	7.1	
CAO/4	25	215	497	0.43	0.3577	0.0111	0.04915	0.00116	309.3	7.2	
CAO/5	125	550	2617	0.21	0.3524	0.0099	0.04903	0.00116	308.5	7.1	
CAO/6	41	170	896	0.19	0.3530	0.0084	0.04789	0.00106	301.5	6.6	
CAO/7	80	291	1763	0.16	0.3454	0.0081	0.04786	0.00106	301.4	6.6	
CAO/8	20	98	416	0.24	0.3548	0.0091	0.04876	0.00110	306.9	6.7	
CAO/9	82	212	1797	0.12	0.3525	0.0084	0.04857	0.00108	305.7	6.6	
CAO/10	102	339	2207	0.15	0.3541	0.0082	0.04859	0.00108	305.9	6.6	
CAO/11	38	171	792	0.22	0.3568	0.0087	0.04916	0.00110	309.3	6.7	
CAO/12	41	190	888	0.21	0.3460	0.0085	0.04736	0.00106	298.3	6.5	
CAO/13	70	343	1494	0.23	0.3495	0.0082	0.04824	0.00106	303.7	6.6	
CAO/14	54	249	1165	0.21	0.3471	0.0084	0.04802	0.00106	302.4	6.6	
CAO/15	62	175	1364	0.13	0.3513	0.0086	0.04820	0.00106	303.5	6.6	
CAO/16	12	94	257	0.37	0.3476	0.0097	0.04786	0.00106	301.4	6.6	
CAO/17	18	117	368	0.32	0.3558	0.0094	0.04888	0.00108	307.6	6.7	
CAO/18	14	133	283	0.47	0.3536	0.0099	0.04820	0.00108	303.5	6.6	
CAO/19	7.2	56	149	0.37	0.3413	0.0113	0.04803	0.00108	302.4	6.7	
CAO/20	49	165	1058	0.16	0.3542	0.0087	0.04884	0.00108	307.4	6.6	
CAO/21	17	127	344	0.37	0.3523	0.0100	0.04815	0.00108	303.2	6.6	
CAO/22	19	107	403	0.26	0.3521	0.0109	0.04765	0.00108	300.1	6.6	
CAO/23	16	112	335	0.34	0.3527	0.0094	0.04762	0.00106	299.9	6.5	
CAO/24	16	121	325	0.37	0.3595	0.0099	0.04850	0.00108	305.3	6.6	
CAO/25	64	228	1394	0.16	0.3499	0.0081	0.04807	0.00106	302.6	6.5	
CAO/26	20	115	427	0.27	0.3594	0.0098	0.04826	0.00108	303.8	6.6	
CAO/27	49	269	1048	0.26	0.3468	0.0083	0.04798	0.00106	302.1	6.5	
CAO/28	32	257	664	0.39	0.3458	0.0084	0.04766	0.00106	300.1	6.5	
CAO/29	43	229	927	0.25	0.3577	0.0088	0.04799	0.00106	302.1	6.5	
CAO/30	14	118	297	0.40	0.3513	0.0095	0.04819	0.00106	303.4	6.6	
CAO/31	26	168	547	0.31	0.3506	0.0088	0.04793	0.00106	301.8	6.5	
CAO/32	18	125	382	0.33	0.3491	0.0091	0.04777	0.00106	300.8	6.5	
CAO/33	11	101	230	0.44	0.3471	0.0118	0.04801	0.00108	302.3	6.7	
CAO/34	11	154	199	0.77	0.3532	0.0105	0.04798	0.00108	302.1	6.6	
CAO/35	21	143	439	0.32	0.3472	0.0088	0.04759	0.00106	299.7	6.5	

Mont-Louis: Bolquère				2 s error		2 s error	Age (Ma)	2 s error	
Sample	Pb(ppm)	Th(ppm)	U(ppm)	Th/U	207Pb/235U	207Pb/235U	206Pb/238U	206Pb/238U	206Pb/238U	206Pb/238U	
BOL/1	15	78	314	0.25	0.3584	0.0102	0.04744	0.00106	298.8	6.5	
BOL/2	75	63	1708	0.04	0.3419	0.0082	0.04769	0.00106	300.3	6.5	
BOL/3	65	47	1517	0.03	0.3366	0.0081	0.04648	0.00102	292.9	6.3	
BOL/4	15	39	322	0.12	0.3531	0.0107	0.04879	0.00110	307.1	6.7	
BOL/5	17	64	380	0.17	0.3465	0.0101	0.04792	0.00108	301.8	6.6	
BOL/6	18	31	409	0.08	0.3505	0.0102	0.04777	0.00108	300.8	6.6	
BOL/7	88	73	2013	0.04	0.3458	0.0087	0.04767	0.00106	300.2	6.6	
BOL/8	9.8	99	200	0.50	0.3480	0.0133	0.04707	0.00110	296.5	6.8	
BOL/9	10	72	213	0.34	0.3535	0.0124	0.04839	0.00112	304.7	6.9	
BOL/10	19	91	399	0.23	0.3522	0.0110	0.04840	0.00112	304.7	6.8	
BOL/11	21	100	447	0.22	0.3485	0.0108	0.04828	0.00112	304.0	6.8	
BOL/12	40	11	892	0.01	0.3607	0.0092	0.04941	0.00114	310.9	6.9	
BOL/13	29	104	573	0.18	0.3576	0.0098	0.04925	0.00114	309.9	7.0	
BOL/14	1158	4221	25640	0.16	0.3537	0.0096	0.04832	0.00112	304.2	6.8	
BOL/15	41	37	525	0.07	0.6679	0.0209	0.08324	0.00188	515.4	11.2	
BOL/16	62	31	1166	0.03	0.4387	0.0114	0.05819	0.00130	364.6	7.9	
BOL/17	63	196	1073	0.18	0.4750	0.0124	0.06054	0.00134	378.9	8.2	
BOL/18	47	13	631	0.02	0.6378	0.0157	0.08041	0.00178	498.6	10.6	
BOL/19	8.8	16	154	0.10	0.4520	0.0165	0.06047	0.00140	378.5	8.5	
BOL/20	20	209	217	0.96	0.6354	0.0187	0.08014	0.00180	496.9	10.8	
BOL/21	28	42	409	0.10	0.5790	0.0174	0.07200	0.00162	448.2	9.8	
BOL/22	15	48	197	0.24	0.6554	0.0214	0.07977	0.00182	494.7	10.9	
BOL/23	18	42	233	0.18	0.6339	0.0201	0.07880	0.00178	489.0	10.7	
BOL/24	57	73	868	0.08	0.5486	0.0147	0.07035	0.00158	438.2	9.5	
BOL/25	28	49	347	0.14	0.6768	0.0188	0.08460	0.00190	523.5	11.3	
BOL/26	24	38	296	0.13	0.6808	0.0195	0.08431	0.00190	521.8	11.3	
BOL/27	67	145	811	0.18	0.6829	0.0176	0.08525	0.00196	527.4	11.6	
BOL/28	23	121	255	0.48	0.6821	0.0192	0.08572	0.00198	530.2	11.7	
BOL/29	25	80	294	0.27	0.7098	0.0194	0.08744	0.00202	540.4	11.9	
BOL/30	24	92	268	0.34	0.7218	0.0199	0.08830	0.00204	545.5	12.0	
BOL/31	30	49	366	0.13	0.6984	0.0185	0.08600	0.00198	531.9	11.7	
BOL/32	21	30	352	0.09	0.5057	0.0144	0.06384	0.00148	398.9	8.9	

W-Cauterets					2 s error		2 s error	Age (Ma)	2 s error	
Sample	Pb(ppm)	Th(ppm)	U(ppm)	Th/U	207Pb/235U	207Pb/235U	206Pb/238U	206Pb/238U	206Pb/238U	206Pb/238U	
CAU/1	12	120	220	0.54	0.3532	0.0131	0.04832	0.00130	304.2	6.6	
CAU/2	14	125	271	0.46	0.3476	0.0112	0.04820	0.00128	303.5	6.4	
CAU/3	7.6	62	149	0.42	0.3485	0.0125	0.04872	0.00130	306.6	6.6	
CAU/4	8.2	61	163	0.37	0.3437	0.0122	0.04854	0.00130	305.6	6.5	
CAU/5	11	78	218	0.36	0.3569	0.0117	0.04831	0.00128	304.1	6.4	
CAU/6	8.9	60	179	0.34	0.3539	0.0118	0.04877	0.00130	307.0	6.5	
CAU/7	11	91	217	0.42	0.3512	0.0112	0.04848	0.00128	305.2	6.4	
CAU/8	14	100	290	0.35	0.3542	0.0109	0.04845	0.00126	305.0	6.3	
CAU/9	7.9	54	157	0.34	0.3495	0.0121	0.04856	0.00128	305.7	6.4	
CAU/10	13	104	265	0.39	0.3550	0.0111	0.04900	0.00128	308.4	6.4	
CAU/11	4.6	39	91	0.43	0.3548	0.0135	0.04896	0.00130	308.1	6.5	
CAU/12	9.7	69	194	0.36	0.3583	0.0116	0.04891	0.00128	307.8	6.3	
CAU/13	10	101	194	0.52	0.3481	0.0115	0.04847	0.00126	305.1	6.3	
CAU/14	10	89	188	0.47	0.3536	0.0115	0.04845	0.00126	305.0	6.2	
CAU/15	10	72	206	0.35	0.3577	0.0115	0.04888	0.00126	307.6	6.3	
CAU/16	13	116	251	0.46	0.3510	0.0121	0.04818	0.00126	303.4	6.2	
CAU/17	20	210	387	0.54	0.3529	0.0112	0.04823	0.00124	303.6	6.2	
CAU/18	8.4	71	164	0.43	0.3586	0.0120	0.04935	0.00126	310.5	6.3	
CAU/19	12	84	231	0.36	0.3635	0.0115	0.04891	0.00126	307.9	6.2	
CAU/20	13	114	260	0.44	0.3495	0.0113	0.04849	0.00124	305.2	6.2	
CAU/21	5.6	44	111	0.39	0.3531	0.0128	0.04820	0.00124	303.4	6.2	
CAU/22	8.5	65	169	0.39	0.3521	0.0118	0.04862	0.00124	306.1	6.1	
CAU/23	5.8	46	115	0.40	0.3568	0.0130	0.04848	0.00124	305.2	6.2	
CAU/24	6.6	49	134	0.37	0.3550	0.0124	0.04864	0.00124	306.2	6.2	
CAU/25	8.6	65	172	0.38	0.3555	0.0125	0.04848	0.00124	305.2	6.1	

1 = concentration uncertainty c.20%; 2 = data not corrected for common-Pb

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