Potrerillos 40Ar/39Ar Furnace Step-Heating Data

Sample: EH-13 Co. Silica South Sericite J=0.0031011

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
500	3.1e-13	1.8754	0.8266	3.9799	0.59	0.009	0.002	10.5 +/- 74.5
550	1.3e-13	2.4163	0.0060	2.1199	82	0.016	0.004	13.5 +/- 17.1
551	5.5e-14	7.0250	0.0102	1.5215	48	0.020	0.015	38.9 +/- 19.8
552	3.3e-14	11.977	0.0158	1.3927	31	0.022	0.028	65.8 +/- 27.0
553	2.5e-14	16.212	0.0202	1.3312	24	0.024	0.040	88.5 +/- 33.1
554	2.1e-14	2.5952	0.0198	1.1162	25	0.027	0.008	14.5 +/- 28.6
600	3.8e-14	3.9652	0.0098	1.0190	50	0.031	0.013	22.0 +/- 13.7
601	3.0e-14	5.0730	0.0119	0.9780	41	0.034	0.017	28.2 +/- 15.7
602	2.3e-14	5.0873	0.0154	0.9501	32	0.037	0.018	28.2 +/- 19.8
603	1.8e-14	5.1088	0.0189	0.9283	26	0.039	0.018	28.4 +/- 22.9
650	3.6e-14	6.8438	0.0084	0.8153	59	0.044	0.028	37.9 +/- 9.9
700	5.7e-14	7.8191	0.0046	0.6975	106	0.053	0.037	43.2 +/- 5.3
701	3.5e-14	8.8924	0.0069	0.6229	71	0.059	0.046	49.1 +/- 7.0
702	2.4e-14	8.3927	0.0093	0.5854	52	0.064	0.046	46.4 +/- 9.1
703	2.4e-13	9.4117	0.0175	0.5393	28	0.111	0.056	51.9 +/- 3.4
705	2.1e-13	8.3180	0.0439	0.5177	11	0.154	0.052	45.9 +/- 3.7
710	1.9e-13	8.6013	0.0462	0.4874	11	0.196	0.056	47.5 +/- 3.2
715	1.7e-13	7.6712	0.0547	0.4664	9.0	0.236	0.053	42.4 +/- 3.4
720	1.6e-13	7.5783	0.0516	0.4489	9.5	0.274	0.054	41.9 +/- 3.5
725	1.5e-13	8.4136	0.0721	0.4512	6.8	0.309	0.059	46.5 +/- 3.2
735	1.5e-13	8.4016	0.0653	0.4554	7.5	0.344	0.059	46.4 +/- 3.8
750	1.7e-13	7.9742	0.0277	0.4758	18	0.382	0.054	44.1 +/- 3.3
775	2.3e-13	8.2189	0.0460	0.5159	11	0.430	0.051	45.4 +/- 3.5
800	3.1e-13	6.6940	0.0351	0.5723	14	0.490	0.038	37.1 +/- 3.4
820	3.1e-13	9.2112	0.0328	0.5550	15	0.549	0.053	50.8 +/- 3.1
840	9.3e-14	8.8825	0.1322	0.4800	3.7	0.570	0.059	49.0 +/- 5.0
875	2.9e-13	8.9170	0.0155	0.4352	32	0.640	0.065	49.2 +/- 2.2
900	2.0e-13	9.1735	0.0501	0.3237	9.8	0.705	0.088	50.6 +/- 1.8
925	1.2e-13	9.3212	0.0768	0.2206	6.4	0.759	0.125	51.4 +/- 1.8
975	1.2e-13	9.0331	0.0525	0.2051	9.3	0.817	0.130	49.8 +/- 1.6
1025	5.4e-14	7.7920	0.0964	0.0974	5.1	0.868	0.213	43.1 +/- 1.2
1100	4.2e-14	7.9607	0.0519	0.0702	9.4	0.917	0.277	44.0 +/- 1.0
1300	4.6e-14	7.3852	0.2029	0.0383	2.4	1.000	0.395	40.8 +/- 0.7

Sample: EH-14 Co. Silica North Alunite J=0.0031089

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
400	5.9e-15	-3.360	1.7460	0.9381	0.28	0.000	-0.012	-18.9 +/- 118.2
450	1.2e-14	5.0383	0.6405	0.7501	0.76	0.001	0.022	28.0 +/- 44.5
475	1.8e-14	-3.431	0.5824	0.7970	0.84	0.001	-0.015	-19.3 +/- 38.3
500	7.0e-15	7.6852	0.3496	0.1348	1.4	0.003	0.162	42.6 +/- 9.9
525	1.2e-14	7.9600	0.1080	0.0563	4.5	0.007	0.324	44.1 +/- 2.7
550	2.3e-14	6.9335	0.0401	0.0281	12	0.021	0.455	38.5 +/- 1.1
575	5.6e-14	6.4728	0.0221	0.0120	22	0.073	0.647	35.9 +/- 0.3
600	1.7e-13	6.5237	0.0179	0.0057	27	0.259	0.796	36.2 +/- 0.1
615	2.5e-13	6.5249	0.0117	0.0076	42	0.521	0.744	36.2 +/- 0.1
620	6.4e-14	6.5452	0.0054	0.0028	90	0.601	0.889	36.3 +/- 0.2
630	4.6e-15	7.3262	0.0002	0.0021	2373	0.606	0.921	40.6 +/- 1.9
700	2.9e-13	6.6042	0.0068	0.0013	72	0.992	0.947	36.7 +/- 0.1
750	6.7e-15	6.9103	0.1517	0.0143	3.2	0.998	0.622	38.3 +/- 2.0
850	1.3e-14	3.8147	1.7924	0.2889	0.27	0.999	0.043	21.3 +/- 12.7
1000	7.0e-15	0.8359	1.7053	0.2192	0.29	1.000	0.013	4.7 +/- 15.2

Sample: EH-14 Co. Silica North Alunite J=0.0015260

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
500	2.0e-17	11674	1918.4	37.456	<0.001	0.000	-25	5294 +/- 52009
550	1.7e-16	28.46	5.266	-0.0233	0.093	0.001	1.000	76.7 +/- 66.1
575	1.2e-15	1.9236	1.1643	0.0504	0.42	0.005	0.115	5.3 +/- 7.6
600	4.1e-15	14.00	0.2759	0.0024	1.8	0.024	0.954	38.1 +/- 2.3
625	2.6e-14	16.371	0.1037	0.0054	4.7	0.118	0.912	44.5 +/- 0.6
650	6.9e-14	14.017	0.1057	0.0043	4.6	0.418	0.918	38.2 +/- 0.4
700	1.3e-13	12.773	0.1319	0.0084	3.7	0.991	0.838	34.8 +/- 0.3
800	1.5e-15	15.967	3.0656	0.0224	0.16	0.995	0.715	43.4 +/- 11.2
1200	8.1e-15	-3.930	4.0370	0.3693	0.12	1.000	-0.035	-10.9 +/- 20.1

Sample: EH93-54 Co. Silica North Alunite J=0.0015220

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
550	3.1e-16	3.6434	2.3064	0.0164	0.21	0.002	0.440	10.0 +/- 17.9
600	4.0e-15	13.058	0.0771	0.0018	6.4	0.022	0.961	35.5 +/- 2.2
625	5.2e-14	13.448	0.1268	0.0077	3.9	0.237	0.856	36.5 +/- 0.5
650	1.2e-13	12.803	0.1403	0.0163	3.5	0.675	0.727	34.8 +/- 0.6
675	6.6e-14	13.404	0.0852	0.0116	5.7	0.933	0.797	36.4 +/- 0.6
700	1.4e-14	12.27	0.6417	0.0260	0.76	0.980	0.616	33.4 +/- 1.7
725	2.8e-15	-15.35	4.7569	0.1597	0.10	0.985	-0.483	-42.6 +/- 11.0
750	1.4e-15	-23.55	5.0690	0.1679	0.096	0.989	-0.907	-65.9 +/- 18.9
800	3.8e-15	2.8845	3.0274	0.1530	0.16	0.994	0.061	7.9 +/- 15.7
900	4.1e-15	-18.79	5.5411	0.2156	0.088	1.000	-0.419	-52.4 +/- 14.1

Sample: EH93-72 Co. Silica North Alunite J=0.0015190

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
400	2.6e-17	-157.8	26.96	0.5637	0.018	0.000	-14.06	-494.2 +/- 423.8
500	2.6e-17	-207.3	24.58	0.7273	0.019	0.001	-18.77	-682.1 +/- 531.3
525	9.9e-17	-34.87	5.0709	0.1727	0.096	0.002	-2.175	-98.2 +/- 118.7
550	4.4e-16	17.636	2.207	-0.0035	0.22	0.007	1.000	47.7 +/- 24.1
575	1.2e-15	10.915	0.9596	0.0131	0.51	0.023	0.742	29.7 +/- 7.9
600	4.6e-15	12.374	0.1847	0.0074	2.7	0.086	0.852	33.6 +/- 2.3
625	1.8e-14	13.172	0.1155	0.0059	4.2	0.329	0.884	35.7 +/- 0.7
650	3.8e-14	13.607	0.0344	0.0070	14	0.812	0.869	36.9 +/- 0.4
675	1.4e-14	12.293	0.0690	0.0116	7.1	0.984	0.782	33.4 +/- 1.0
700	1.2e-15	-8.772	5.0752	0.1108	0.096	0.993	-0.368	-24.2 +/- 15.4
750	1.4e-15	-28.75	10.146	0.4061	0.048	0.997	-0.313	-80.6 +/- 59.8
1200	8.9e-15	-19.38	6.7295	1.7783	0.072	1.000	-0.038	-53.9 +/- 151.8

Sample: EH-15 Co. Silica North Sericite J=0.0029721

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
650	2.5e-13	7.472	0.0092	0.0023	53	0.246	0.916	39.6 +/- 0.1
675	3.1e-13	7.519	0.0049	0.0017	101	0.551	0.936	39.9 +/- 0.1
700	1.3e-13	7.579	0.0039	0.0015	126	0.682	0.944	40.2 +/- 0.2
725	1.9e-13	7.617	0.0050	0.0017	98	0.869	0.937	40.4 +/- 0.2
750	8.3e-14	7.539	0.0101	0.0035	48	0.946	0.880	40.0 +/- 0.3
800	4.3e-14	7.199	0.0367	0.0115	13	0.979	0.679	38.2 +/- 0.8
900	3.6e-14	5.473	0.2113	0.0677	2.3	0.990	0.215	29.1 +/- 2.5
1200	7.1e-14	4.524	0.7787	0.1860	0.63	1.000	0.076	24.1 +/- 5.1

Sample: EH-15 Co. Silica North Sericite (Replicate) J=0.0031133

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
500	7.8e-16	-147.8	8.2830	2.6378	0.059	0.000	-0.233	-1112 +/- 7273
550	2.9e-15	4.8390	0.1044	0.0279	4.7	0.003	0.370	27.0 +/- 5.8
600	1.1e-14	7.0313	0.0010	0.0077	496	0.233	0.755	39.1 +/- 1.0
650	2.9e-14	7.0484	0.0003	0.0044	1480	0.927	0.843	39.2 +/- 0.3
700	5.7e-14	7.2002	0.0063	0.0026	78	0.164	0.903	40.0 +/- 0.2
750	8.8e-14	7.1638	0.0137	0.0021	36	0.318	0.921	39.8 +/- 0.1
800	1.4e-14	7.0160	0.0193	0.0017	25	0.344	0.932	39.0 +/- 0.6
900	2.6e-13	7.2665	0.0041	0.0013	119	0.808	0.951	40.4 +/- 0.1
1000	9.3e-14	7.2253	0.0063	0.0017	78	0.973	0.935	40.1 +/- 0.1
1100	1.6e-14	6.7573	0.0052	0.0120	93	0.995	0.656	37.6 +/- 0.8
1300	9.4e-15	2.4403	0.0033	0.0789	150	1.000	0.095	13.7 +/- 4.4

Sample: EH93-20 Co. Silica North Illite J=0.0015120

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
550	1.5e-14	16.901	0.2229	0.0243	2.2	0.195	0.617	45.5 +/- 2.1
600	8.2e-15	19.157	0.2176	0.0190	2.3	0.302	0.700	51.5 +/- 3.3
650	1.5e-14	13.716	0.0012	0.0278	417	0.505	0.533	37.0 +/- 2.2
700	2.1e-14	13.428	0.1523	0.0346	3.2	0.766	0.473	36.3 +/- 1.8
750	1.4e-14	15.750	-0.016	0.0232	<0.001	0.963	0.611	42.5 +/- 2.8
800	2.7e-15	0.7300	0.5957	0.0726	0.82	0.992	0.023	2.0 +/- 12.4
1000	2.1e-15	37.825	3.7629	0.1949	0.13	0.998	0.310	100.3 +/- 55.5
1200	1.3e-15	30.724	0.5997	0.5796	0.82	1.000	0.110	81.9 +/- 288.4

Sample: EH93-24 Co. Silica North Fine Alunite J=0.0015160

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
400	1.4e-17	-2.937	9.7405	0.1928	0.050	0.001	-0.276	-8.0 +/- 123.8
500	6.3e-16	189.88	42.805	1.9271	0.011	0.002	0.573	456.4 +/- 326.1
525	3.7e-16	20.347	9.9292	0.4133	0.049	0.007	0.410	54.8 +/- 27.4
550	1.8e-15	9.0438	0.6874	0.0333	0.71	0.108	0.794	24.6 +/- 1.4
575	8.4e-15	9.5368	0.2032	0.0126	2.4	0.613	0.915	25.9 +/- 0.5
600	5.3e-15	8.9408	0.2338	0.0179	2.1	0.941	0.876	24.3 +/- 0.5
625	7.3e-16	7.9692	3.1275	0.1186	0.16	0.969	0.488	21.7 +/- 4.2
650	5.9e-16	30.509	8.3255	0.3854	0.058	0.975	0.527	81.6 +/- 25.0
675	3.9e-16	4.4038	17.260	0.9080	0.028	0.979	0.063	12.0 +/- 54.3
700	5.3e-16	37. 814	16.605	0.5108	0.029	0.983	0.509	100.6 +/- 38.2
750	1.3e-15	83.686	10.297	0.4292	0.047	0.991	0.733	215.5 +/- 33.0
1200	7.5e-15	368.27	9.3509	1.9350	0.052	1.000	0.727	800.2 +/- 68.0

Sample: EH-15 Co. Silica North Jarosite J=0.0015440

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
550	8.8e-16	5.1391	-0.023	0.0346	<0.001	0.023	0.335	14.3+/- 10.4
575	4.2e-16	2.9206	1.3573	0.0145	0.36	0.047	0.410	8.1 +/- 11.0
600	5.4e-16	3.0318	0.2430	0.0060	2.0	0.092	0.635	8.4 +/- 5.7
625	8.9e-16	2.4581	0.3220	0.0040	1.5	0.190	0.679	6.8 +/- 2.4
650	1.4e-15	2.3038	0.1205	0.0026	4.1	0.376	0.754	6.4 +/- 1.4
700	4.4e-15	2.2768	0.0302	0.0037	16	0.903	0.674	6.3 +/- 0.5
1200	1.3e-13	12.345	0.0636	1.7468	7.7	1.000	0.023	34.1 +/- 25.3

Sample: EH-17 Cobre Hornblende J=0.0029746

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
800	3.6e-14	8.4828	0.7794	0.1111	0.63	0.023	0.206	45.0 +/- 5.2
900	1.4e-14	6.7422	0.7990	0.0213	0.61	0.052	0.520	35.8 +/- 3.7
1000	4.1e-14	6.6385	4.6822	0.0284	0.10	0.127	0.452	35.3 +/- 1.5
1030	8.4e-14	6.6460	7.1110	0.0140	0.069	0.347	0.650	35.3 +/- 0.5
1060	1.2e-13	6.7895	6.9467	0.0053	0.070	0.752	0.872	36.1 +/- 0.3
1100	3.6e-14	6.9509	5.2001	0.0050	0.094	0.871	0.868	36.9 +/- 0.9
1200	4.0e-14	6.9360	6.7165	0.0083	0.073	0.993	0.784	36.8 +/- 1.0
1400	0.0e+0	7.8356	5.454	-0.084	0.090	1.000	0	41.6 +/- 16.1

Sample: EH-17 Cobre Hornblende J=0.0015530

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
700	1.5e-13	-129.9	362.61	122.59	<0.001	0.001	-0.002	-406.6 +/- 68831.2
800	4.7e-14	16.438	19.85	0.9537	0.024	0.019	0.055	45.5 +/- 20.2
900	7.0e-15	6.1449	12.721	0.1370	0.038	0.037	0.133	17.1 +/- 6.4
1000	4.5e-15	7.7469	12.001	0.0654	0.040	0.058	0.294	21.6 +/- 5.8
1030	9.8e-15	11.483	10.891	0.0163	0.045	0.134	0.741	31.9 +/- 1.6
1045	3.0e-15	11.014	10.215	0.0298	0.048	0.153	0.577	30.6 +/- 5.8
1060	2.1e-15	6.5211	12.852	0.0922	0.038	0.160	0.197	18.2 +/- 14.1
1075	6.0e-15	10.671	11.15	0.0291	0.043	0.199	0.577	29.7 +/- 3.1
1100	1.2e-14	12.842	9.6767	0.0180	0.050	0.280	0.736	35.6 +/- 1.7
1125	3.5e-14	12.376	8.3231	0.0067	0.058	0.582	0.902	34.3 +/- 0.5
1150	2.4e-14	12.146	7.7944	0.0039	0.062	0.810	0.956	33.7 +/- 0.6
1175	1.4e-15	13.388	7.9714	0.0029	0.061	0.823	0.983	37.1 +/- 7.8
1200	4.2e-15	13.206	8.4159	0.0030	0.058	0.860	0.982	36.6 +/- 2.8
1250	1.4e-14	12.054	7.8803	0.0054	0.062	0.989	0.924	33.5 +/- 0.9
1400	2.3e-15	12.012	7.5446	0.0458	0.064	1.000	0.479	33.3 +/- 9.7

Sample: EH-17 Cobre Kspar J=0.0015510

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
600	2.8e-16	106.20	2.5470	0.0291	0.19	0.000	0.928	275.1 +/- 237.9
700	3.7e-14	15.421	0.3120	0.3702	1.6	0.017	0.124	42.6 +/- 7.8
800	2.9e-14	12.454	0.0144	0.0872	34	0.060	0.326	34.5 +/- 2.2
900	2.8e-14	12.404	0.0598	0.0327	8.2	0.132	0.562	34.4 +/- 1.0
1000	2.7e-14	12.45	0.0477	0.0354	10	0.198	0.543	34.5 +/- 1.0
1025	6.4e-15	13.444	0.0495	0.0089	9.9	0.221	0.837	37.2 +/- 1.9
1050	9.2e-15	11.819	0.0498	0.0245	9.8	0.248	0.620	32.8 +/- 1.7
1075	1.3e-14	12.895	0.0726	0.0329	6.8	0.281	0.570	35.7 +/- 1.8
1100	2.0e-14	12.211	0.1039	0.0371	4.7	0.330	0.527	33.8 +/- 1.4
1125	3.2e-14	12.553	0.0536	0.0426	9.1	0.402	0.499	34.8 +/- 1.1
1150	4.8e-14	11.946	0.0554	0.0428	8.8	0.513	0.486	33.1 +/- 0.9
1175	5.3e-14	13.196	0.0162	0.0254	30	0.660	0.638	36.5 +/- 0.7
1200	5.5e-14	12.621	0.0186	0.0163	26	0.838	0.723	35.0 +/- 0.5
1250	3.3e-14	13.285	0.0246	0.0143	20	0.943	0.759	36.8 +/- 0.6
1300	1.2e-14	13.902	0.2024	0.0109	2.4	0.982	0.813	38.5 +/- 1.3
1400	2.7e-15	8.3328	0.2503	0.0007	2.0	1.000	0.977	23.2 +/- 2.1

Sample: EH-18 Cobre Orthoclase J=0.0030323

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
650	7.6e-15	6.5812	0.0491	0.0470	10.0	0.002	0.322	35.6 +/- 3.6
700	2.2e-14	5.4377	0.0682	0.0451	7.2	0.010	0.290	29.5 +/- 1.4
750	3.7e-14	6.1109	0.0713	0.0390	6.9	0.024	0.347	33.1 +/- 0.8
800	8.0e-14	5.8024	0.0685	0.0530	7.1	0.048	0.270	31.5 +/- 0.8
850	1.4e-13	5.9962	0.0598	0.0695	8.2	0.082	0.226	32.5 +/- 1.1
900	9.8e-14	5.8954	0.0558	0.0465	8.8	0.115	0.300	32.0 +/- 0.7
950	9.2e-14	5.7555	0.0451	0.0422	11	0.149	0.316	31.2 +/- 0.6
1000	9.5e-14	5.7242	0.0713	0.0319	6.9	0.190	0.378	31.0 +/- 0.5
1050	2.1e-13	5.8012	0.0100	0.0309	49	0.282	0.388	31.5 +/- 0.4
1075	2.5e-13	5.8071	0.0147	0.0379	33	0.379	0.341	31.5 +/- 0.5
1085	2.8e-13	5.9828	0.0045	0.0394	110	0.485	0.340	32.4 +/- 0.6
1090	2.4e-13	5.9661	0.0008	0.0380	583	0.575	0.347	32.3 +/- 0.5
1095	1.8e-13	6.0405	0.0000	0.0342	10000	0.516	0.374	32.7 +/- 0.5
1100	1.4e-13	6.0296	0.0000	0.0294	10000	0.959	0.409	32.7 +/- 0.5
1115	1.4e-13	6.2004	0.0052	0.0188	94	0.792	0.528	33.6 +/- 0.3
1135	1.4e-13	6.2860	0.0069	0.0156	71	0.877	0.576	34.1 +/- 0.2
1160	1.1e-13	6.2719	0.0147	0.0163	33	0.946	0.565	34.0 +/- 0.3
1200	5.6e-14	6.4760	0.0587	0.0162	8.3	0.978	0.575	35.1 +/- 0.4
1250	3.0e-14	7.5444	0.0741	0.0160	6.6	0.994	0.615	40.8 +/- 0.7
1400	1.6e-15	1.7953	0.0001	0.0000	3355	1.000	0.996	9.8 +/- 2.1

Sample: EH-20 Cobre Sericite J=0.0030820

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
600	2.7e-13	6.7273	0.0293	0.0063	17	0.161	0.783	37.0 +/- 0.1
650	2.0e-13	6.5433	0.0221	0.0011	22	0.312	0.953	36.0 +/- 0.1
675	8.9e-14	6.4963	0.0132	0.0006	37	0.379	0.972	35.8 +/- 0.1
700	1.5e-13	6.4347	0.0114	0.0008	43	0.495	0.965	35.4 +/- 0.1
725	1.1e-13	6.3935	0.0090	0.0007	54	0.579	0.969	35.2 +/- 0.1
750	8.2e-14	6.3823	0.0112	0.0007	44	0.642	0.967	35.1 +/- 0.1
800	7.6e-14	6.2702	0.0155	0.0023	32	0.698	0.904	34.5 +/- 0.2
850	6.3e-14	6.2923	0.0144	0.0036	34	0.741	0.855	34.6 +/- 0.2
900	7.8e-14	6.2294	0.0108	0.0032	46	0.797	0.868	34.3 +/- 0.2
1000	1.4e-13	6.1990	0.0068	0.0036	72	0.896	0.853	34.1 +/- 0.1
1050	6.7e-14	6.2300	0.0105	0.0039	47	0.942	0.843	34.3 +/- 0.2
1100	3.9e-14	6.2881	0.0108	0.0069	45	0.966	0.755	34.6 +/- 0.4
1400	4.7e-14	5.8923	0.0039	0.0040	126	1.000	0.833	32.5 +/- 0.3

Sample: EH-23 Cobre Sericite J=0.0030966

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
500	5.1e-15	7.3654	0.0288	0.1113	17	0.001	0.183	40.7 +/- 14.2
600	4.0e-14	6.1745	0.1287	0.0375	3.8	0.011	0.358	34.2 +/- 0.9
675	4.6e-14	6.4623	0.0097	0.0055	50	0.038	0.800	35.7 +/- 0.4
725	5.6e-14	6.5428	0.0031	0.0022	158	0.073	0.911	36.2 +/- 0.2
775	8.5e-14	6.5630	0.0043	0.0028	114	0.127	0.889	36.3 +/- 0.2
825	1.5e-13	6.5017	0.0037	0.0023	131	0.226	0.904	36.0 +/- 0.1
850	2.2e-13	6.4468	0.0033	0.0007	150	0.378	0.970	35.7 +/- 0.1
875	1.8e-13	6.4305	0.0025	0.0005	195	0.505	0.979	35.6 +/- 0.1
900	1.7e-13	6.4354	0.0043	0.0005	113	0.622	0.978	35.6 +/- 0.2
925	1.4e-13	6.4649	0.0021	0.0005	228	0.719	0.976	35.8 +/- 0.1
975	1.5e-13	6.4405	0.0057	0.0009	86	0.820	0.962	35.6 +/- 0.1
1300	2.7e-13	6.4902	0.0019	0.0011	251	1.000	0.953	35.9 +/- 0.1

Sample: EH-26 Cobre Sericite J=0.0030883

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
600	2.7e-13	6.3207	0.0134	0.0095	36	0.186	0.692	34.9 +/- 0.1
625	7.4e-14	6.2047	0.0091	0.0058	54	0.245	0.784	34.2 +/- 0.2
675	1.0e-13	6.1787	0.0136	0.0054	36	0.326	0.794	34.1 +/- 0.2
725	8.7e-14	6.1932	0.0094	0.0041	52	0.400	0.837	34.2 +/- 0.2
775	7.5e-14	6.1583	0.0096	0.0042	51	0.464	0.832	34.0 +/- 0.2
900	2.6e-13	6.3276	0.0056	0.0021	88	0.702	0.911	34.9 +/- 0.1
1100	2.9e-13	6.3067	0.0083	0.0025	59	0.958	0.896	34.8 +/- 0.1
1300	5.5e-14	6.1609	0.0341	0.0067	14	1.000	0.758	34.0 +/- 0.5

Sample: EH-27 Cobre Vein Biotite J=0.0029972

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
600	8.7e-15	5.0026	0.3169	0.2477	1.5	0.001	0.064	26.8 +/- 16.0
725	2.5e-13	0.7599	0.3671	0.9588	1.3	0.009	0.003	4.1 +/- 14.2
800	1.8e-13	8.1953	0.0302	0.0974	16	0.052	0.222	43.8 +/- 2.6
850	8.5e-14	6.7041	0.0083	0.0077	59	0.136	0.746	35.9 +/- 0.2
900	5.8e-14	6.6604	0.0106	0.0156	46	0.181	0.592	35.7 +/- 0.3
950	5.4e-14	6.7683	0.0119	0.0209	41	0.219	0.523	36.2 +/- 0.5
1000	7.2e-14	6.6545	0.0057	0.0072	86	0.292	0.758	35.6 +/- 0.2
1050	1.8e-13	6.6757	0.0031	0.0021	157	0.512	0.916	35.7 +/- 0.1
1075	1.3e-13	6.6403	0.0030	0.0025	163	0.671	0.899	35.6 +/- 0.1
1100	1.4e-13	6.6557	0.0036	0.0024	134	0.841	0.903	35.6 +/- 0.1
1150	1.1e-13	6.6575	0.0060	0.0020	82	0.975	0.918	35.6 +/- 0.1
1300	2.9e-14	7.1668	0.0670	0.0104	7.3	1.000	0.701	38.3 +/- 0.7

Sample: EH-32 Cobre Sericite J=0.0031035

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
500	8.3e-14	6.6619	0.0088	0.0060	55	0.075	0.790	36.9 +/- 0.2
575	1.8e-13	6.5976	0.0105	0.0032	47	0.255	0.874	36.6 +/- 0.1
625	1.9e-13	6.5722	0.0068	0.0014	72	0.468	0.943	36.4 +/- 0.1
675	1.7e-13	6.5427	0.0062	0.0012	79	0.656	0.947	36.3 +/- 0.1
725	8.3e-14	6.4966	0.0052	0.0020	94	0.746	0.919	36.0 +/- 0.1
775	2.9e-14	6.2728	0.0085	0.0052	57	0.774	0.802	34.8 +/- 0.3
825	2.1e-14	6.2673	0.0115	0.0055	42	0.795	0.796	34.8 +/- 0.5
900	7.1e-14	6.4321	0.0091	0.0036	54	0.867	0.857	35.7 +/- 0.2
1000	9.7e-14	6.4246	0.0082	0.0034	60	0.967	0.863	35.6 +/- 0.1
1100	2.1e-14	6.4095	0.0163	0.0059	30	0.987	0.787	35.5 +/- 0.5
1300	9.3e-15	5.5177	0.0356	0.0000	14	1.000	1.000	30.6 +/- 1.1

Sample: EH-33 Co. El Hueso Plagioclase J=0.0030601

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
700	2.3e-13	6.5369	2.0944	0.4851	0.23	0.013	0.044	35.7 +/- 3.2
800	9.2e-14	6.1412	1.7252	0.0816	0.28	0.038	0.204	33.6 +/- 0.8
850	5.6e-14	6.1824	2.0736	0.0358	0.24	0.066	0.373	33.8 +/- 0.6
900	6.8e-14	6.0120	2.5750	0.0292	0.19	0.106	0.416	32.9 +/- 0.4
1000	1.3e-13	6.1226	2.9381	0.0179	0.17	0.202	0.547	33.5 +/- 0.2
1100	1.5e-13	6.0387	3.0471	0.0078	0.16	0.359	0.745	33.0 +/- 0.1
1200	1.8e-13	6.0563	3.0415	0.0049	0.16	0.567	0.834	33.1 +/- 0.1
1300	2.0e-13	6.0652	2.9740	0.0022	0.16	0.818	0.935	33.2 +/- 0.1
1400	2.1e-13	6.1734	2.9571	0.0128	0.17	1.000	0.635	33.8 +/- 0.1

Sample: EH-37 Gonzalez Sericite J=0.0031022

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
500	2.8e-14	5.7164	0.0566	0.0759	8.7	0.014	0.203	31.7 +/- 1.9
600	4.5e-14	6.9373	0.0598	0.0283	8.2	0.056	0.454	38.4 +/- 0.6
675	4.2e-14	7.3060	0.0135	0.0084	36	0.117	0.746	40.4 +/- 0.3
725	4.2e-14	7.1957	0.0094	0.0052	52	0.186	0.825	39.8 +/- 0.3
775	5.4e-14	7.0328	0.0076	0.0054	65	0.275	0.815	38.9 +/- 0.2
825	8.5e-14	6.9904	0.0075	0.0027	65	0.431	0.899	38.7 +/- 0.1
875	8.8e-14	7.0091	0.0062	0.0018	79	0.598	0.931	38.8 +/- 0.1
925	8.5e-14	7.0051	0.0043	0.0023	113	0.757	0.912	38.8 +/- 0.1
1100	1.3e-13	7.0461	0.0056	0.0034	87	0.988	0.875	39.0 +/- 0.1
1300	1.3e-14	8.1177	0.0382	0.0242	13	1.000	0.532	44.9 +/- 1.9

Sample: EH-38 Co. Bochinche Plagioclase J=0.0030791

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
700	2.5e-13	8.2369	3.2146	0.1865	0.15	0.050	0.130	45.2 +/- 1.0
800	1.1e-13	6.9672	5.8715	0.1023	0.083	0.088	0.189	38.3 +/- 0.8
900	2.6e-13	6.7427	6.6508	0.0476	0.073	0.246	0.332	37.1 +/- 0.3
1000	1.1e-13	6.8729	6.5761	0.0062	0.074	0.417	0.840	37.8 +/- 0.1
1100	8.9e-14	6.9070	6.4367	0.0061	0.076	0.554	0.842	38.0 +/- 0.2
1200	1.4e-13	6.9879	6.4653	0.0233	0.075	0.688	0.523	38.4 +/- 0.2
1300	2.0e-13	7.3709	6.5963	0.0224	0.074	0.878	0.547	40.5 +/- 0.2
1400	1.1e-13	7.5100	6.7428	0.0153	0.072	1.000	0.653	41.2 +/- 0.2

Sample: EH-39 Co. Bochinche Hornblende J=0.0029796

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
600	4.3e-15	7.8487	0.9555	0.1504	0.51	0.003	0.150	41.7 +/- 7.5
700	1.3e-13	11.398	1.0233	1.5969	0.48	0.015	0.024	60.2 +/- 25.2
800	8.7e-14	8.7087	1.1231	1.4466	0.44	0.023	0.020	46.2 +/- 24.5
875	9.9e-15	6.5592	1.7093	0.6065	0.29	0.026	0.035	34.9 +/- 19.8
950	9.4e-15	2.3339	3.9697	0.4090	0.12	0.029	0.019	12.5 +/- 11.2
1000	1.2e-14	6.8257	7.2533	0.0842	0.067	0.045	0.218	36.3 +/- 2.0
1050	1.8e-13	7.1452	9.5113	0.0108	0.051	0.830	0.746	38.0 +/- 0.2
1075	6.7e-15	6.9274	7.4520	0.0306	0.065	0.848	0.449	36.9 +/- 1.4
1200	3.2e-14	7.0106	8.8028	0.0145	0.055	0.978	0.661	37.3 +/- 0.3
1400	9.3e-15	6.6073	9.4096	0.0405	0.052	1.000	0.370	35.2 +/- 1.5

Sample: EH-39 Co. Bochinche Plagioclase J=0.0030841

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
700	1.5e-13	7.0155	4.2555	0.1377	0.11	0.051	0.148	38.6 +/- 1.0
800	1.8e-13	6.7841	6.1708	0.0541	0.079	0.181	0.304	37.4 +/- 0.4
900	1.6e-13	6.8488	6.5212	0.0196	0.075	0.398	0.565	37.7 +/- 0.2
1000	1.2e-13	6.8574	6.3449	0.0067	0.077	0.638	0.822	37.8 +/- 0.1
1100	9.3e-14	6.9191	6.5139	0.0101	0.075	0.801	0.737	38.1 +/- 0.2
1200	2.3e-13	6.9327	6.5378	0.0419	0.075	1.000	0.368	38.2 +/- 0.3

Sample: EH93-40 Co. Buitre Latite Biotite J=0.0015320

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
600	2.0e-15	151.75	50.934	4.8435	0.009	0.000	0.092	377.1 +/- 3447.0
700	1.6e-15	10.777	15.713	0.9944	0.031	0.001	0.035	29.5 +/- 287.8
750	1.4e-15	6.0620	1.3123	0.3262	0.37	0.003	0.059	16.7 +/- 60.9
800	8.5e-16	21.520	4.1580	0.1314	0.12	0.005	0.358	58.5 +/- 52.8
850	1.2e-15	8.4516	0.4583	0.1130	1.1	0.009	0.202	23.2 +/- 37.9
900	1.4e-15	14.472	0.4211	0.0328	1.2	0.017	0.601	39.6 +/- 28.6
950	2.0e-15	16.868	0.0176	0.0103	28	0.031	0.848	46.0 +/- 6.4
1000	3.3e-15	12.340	0.3081	0.0169	1.6	0.057	0.713	33.8 +/- 3.4
1050	4.7e-15	14.103	0.4447	0.0065	1.1	0.098	0.882	38.6 +/- 3.4
1075	6.1e-15	12.162	0.2035	0.0127	2.4	0.152	0.765	33.3 +/- 1.9
1100	7.8e-15	13.428	0.2193	0.0062	2.2	0.222	0.881	36.7 +/- 1.4
1150	4.8e-14	13.470	0.0233	0.0063	21	0.653	0.879	36.8 +/- 0.4
1200	3.5e-14	13.481	0.0309	0.0045	16	0.977	0.911	36.9 +/- 0.8
1250	1.8e-15	8.4908	0.5414	0.0200	0.90	0.994	0.591	23.3 +/- 5.3
1300	7.4e-16	-7.537	1.6382	0.0933	0.30	1.000	-0.378	-21.0 +/- 20.0
1400	6.4e-16	87.422	32.672	0.4380	0.015	1.000	0.401	226.7 +/- 269.6

Sample: EH93-40 Co. Buitre Latite Plagioclase J=0.0015370

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
600	1.4e-17	-274.4	20.08	0.9989	0.024	0.000	-10.89	-988.0 +/- 2624.1
700	1.7e-14	15.354	5.0528	1.0651	0.097	0.006	0.046	42.1 +/- 53.8
800	2.1e-14	15.623	6.0793	0.0957	0.080	0.063	0.358	42.8 +/- 2.4
900	1.3e-14	15.321	7.0420	0.0081	0.069	0.150	0.893	42.0 +/- 2.7
1000	1.5e-14	13.623	7.9454	0.0067	0.061	0.268	0.909	37.4 +/- 0.7
1100	1.9e-14	13.779	7.4842	0.0044	0.065	0.421	0.950	37.8 +/- 0.6
1200	2.9e-14	13.877	5.4245	0.0093	0.090	0.631	0.855	38.1 +/- 0.9
1300	3.0e-14	14.288	7.5657	0.0307	0.064	0.789	0.625	39.2 +/- 1.1
1400	3.1e-14	13.951	8.4507	0.0142	0.058	1.000	0.796	38.3 +/- 0.7

Sample: EH93-42 Co. El Buitre Breccia Plagioclase J=0.0015340

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
600	6.7e-16	136.73	4.0135	0.3248	0.12	0.000	0.588	343.5 +/- 350
700	8.5e-15	20.459	8.4360	0.6744	0.058	0.004	0.093	55.7 +/- 39.2
800	1.4e-14	14.626	7.8097	0.0705	0.062	0.041	0.418	40.0 +/- 3.3
900	1.7e-14	13.634	8.8592	0.0072	0.055	0.143	0.903	37.3 +/- 0.8
1000	2.6e-14	13.966	9.0169	0.0033	0.054	0.313	0.981	38.2 +/- 0.6
1100	3.4e-14	13.865	9.1995	0.0036	0.053	0.534	0.975	38.0 +/- 0.4
1200	2.4e-14	13.724	8.7805	0.0061	0.055	0.683	0.925	37.6 +/- 0.7
1300	2.8e-14	13.290	8.6001	0.0052	0.057	0.863	0.938	36.4 +/- 0.5
1400	2.7e-14	14.420	9.1240	0.0144	0.053	1.000	0.801	39.5 +/- 0.7

Sample: EH93-42 Co. Buitre Breccia Biotite J=0.0015300

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
600	1.7e-15	1.0450	1.3506	0.4302	0.36	0.001	0.008	2.9 +/- 20.4
700	1.9e-15	7.6579	0.4427	0.1935	1.1	0.003	0.118	21.0 +/- 8.5
750	2.6e-15	12.431	0.1415	0.1330	3.5	0.006	0.240	34.0 +/- 5.1
775	2.2e-15	10.514	0.0707	0.1211	6.9	0.010	0.227	28.8 +/- 5.2
800	2.0e-15	9.6221	0.0844	0.0981	5.8	0.013	0.249	26.4 +/- 4.7
850	3.3e-15	13.931	0.0392	0.0711	13	0.020	0.399	38.0 +/- 2.9
900	4.5e-15	15.274	0.0285	0.0397	17	0.031	0.566	41.7 +/- 1.7
950	6.1e-15	15.396	0.0136	0.0273	36	0.049	0.657	42.0 +/- 1.1
1000	8.5e-15	15.031	0.0089	0.0163	55	0.078	0.757	41.0 +/- 0.7
1050	1.3e-14	14.650	0.0060	0.0143	81	0.124	0.777	40.0 +/- 0.4
1075	1.5e-14	14.576	0.0064	0.0116	77	0.181	0.810	39.8 +/- 0.4
1100	1.7e-14	14.278	0.0034	0.0135	142	0.244	0.782	39.0 +/- 0.3
1150	6.5e-14	14.425	0.0016	0.0101	307	0.497	0.828	39.4 +/- 0.1
1200	1.1e-13	14.468	0.0007	0.0042	695	0.966	0.921	39.5 +/- 0.1
1400	1.1e-14	15.046	0.0230	0.0251	21	1.000	0.670	41.1 +/- 0.6

Sample: EH-40 Norte Plagioclase J=0.0030886

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
700	4.9e-14	5.9351	5.7636	0.1232	0.085	0.013	0.141	32.8 +/- 1.8
800	1.2e-13	6.5251	6.7224	0.0143	0.073	0.138	0.639	36.0 +/- 0.2
900	1.0e-13	6.5824	6.2970	0.0050	0.078	0.289	0.870	36.3 +/- 0.1
1000	9.3e-14	6.6193	5.9442	0.0046	0.082	0.426	0.882	36.5 +/- 0.2
1100	9.9e-14	6.7781	5.2687	0.0047	0.093	0.566	0.875	37.4 +/- 0.1
1200	8.3e-14	6.9908	5.0806	0.0065	0.096	0.674	0.823	38.5 +/- 0.2
1300	1.5e-13	7.1385	6.1821	0.0106	0.079	0.839	0.730	39.3 +/- 0.2
1400	1.4e-13	7.0657	6.7004	0.0092	0.073	1.000	0.763	38.9 +/- 0.2

Sample: EH-41 Norte Hornblende J=0.0029883

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
00	6.6e-14	7.9522	4.6821	0.7337	0.10	0.003	0.035	42.4 +/- 29.2
700	1.9e-13	109.95	3.0782	3.6221	0.16	0.005	0.093	512.5 +/- 328.2
800	2.1e-13	51.106	2.1798	1.8751	0.22	0.008	0.084	256.4 +/- 91.4
850	1.7e-13	4.7539	1.0930	0.3542	0.45	0.023	0.043	25.4 +/- 7.0
900	1.7e-13	6.3289	1.0940	0.3324	0.45	0.039	0.061	33.8 +/- 6.7
950	1.1e-13	5.6800	2.7378	0.1917	0.18	0.056	0.091	30.4 +/- 4.1
1000	1.9e-13	7.3758	7.5773	0.1416	0.064	0.094	0.151	39.3 +/- 2.7
1010	9.3e-14	6.6149	7.7455	0.0435	0.063	0.143	0.350	35.3 +/- 1.3
1020	1.3e-13	6.8510	8.1718	0.0263	0.060	0.233	0.489	36.6 +/- 0.7
1030	2.2e-13	6.8906	8.5290	0.0212	0.057	0.411	0.552	36.8 +/- 0.4
1040	1.7e-13	6.9590	8.6127	0.0167	0.057	0.559	0.620	37.1 +/- 0.4
1050	2.0e-13	6.8584	8.8235	0.0146	0.055	0.749	0.655	36.6 +/- 0.4
1060	6.3e-14	6.9184	8.1119	0.0234	0.060	0.797	0.524	36.9 +/- 1.1
1100	6.4e-14	6.7426	7.3695	0.0347	0.066	0.836	0.410	36.0 +/- 1.5
1200	1.4e-13	6.9428	7.4437	0.0313	0.066	0.927	0.444	37.0 +/- 0.7
1400	1.4e-13	6.4348	7.7202	0.0432	0.063	1.000	0.345	34.4 +/- 1.1

Sample: EH-41 Norte Plagioclase J=0.0030985

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
650	4.3e-16	9.9800	6.5804	0.0341	0.074	0.000	0.510	54.9 +/- 48.2
750	7.0e-14	6.5888	6.3163	0.0379	0.077	0.058	0.380	36.5 +/- 0.7
850	1.0e-13	6.6687	6.2303	0.0102	0.078	0.213	0.727	36.9 +/- 0.2
950	1.3e-13	6.6128	5.9690	0.0083	0.082	0.427	0.769	36.6 +/- 0.2
1050	1.1e-13	6.6309	5.5974	0.0073	0.087	0.616	0.796	36.7 +/- 0.2
1200	1.7e-13	6.9402	5.5693	0.0191	0.088	0.810	0.571	38.4 +/- 0.3
1400	1.3e-13	7.3938	6.2888	0.0100	0.078	1.000	0.751	40.9 +/- 0.3

Sample: EH-43 Norte Orthoclase J=0.0015490

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
700	2.7e-15	15.332	0.3598	0.0210	1.4	0.010	0.728	42.3 +/- 5.9
800	9.4e-15	13.988	0.0507	0.0112	9.7	0.045	0.820	38.7 +/- 1.5
900	1.5e-14	11.160	0.1035	0.0292	4.7	0.094	0.584	30.9 +/- 1.3
1000	2.3e-14	13.179	0.0276	0.0440	18	0.152	0.523	36.5 +/- 1.2
1025	9.2e-15	12.957	-0.0566	0.0255	<0.001	0.181	0.650	35.8 +/- 1.8
1050	1.2e-14	13.737	0.0146	0.0351	33	0.213	0.589	38.0 +/- 1.9
1075	1.5e-14	13.826	-0.0765	0.0359	<0.001	0.253	0.585	38.2 +/-1.4
1100	2.1e-14	13.133	0.0484	0.0383	10	0.310	0.557	36.3 +/- 1.3
1125	2.8e-14	13.009	0.0228	0.0383	22	0.385	0.554	36.0 +/- 1.1
1150	4.2e-14	13.760	0.0392	0.0278	12	0.509	0.645	38.0 +/- 0.7
1175	5.1e-14	13.338	0.0212	0.0169	23	0.688	0.744	36.9 +/- 0.5
1200	5.2e-14	13.690	0.0216	0.0114	23	0.881	0.815	37.9 +/- 0.4
1250	2.2e-14	12.959	-0.0029	0.0149	<0.001	0.961	0.761	35.9 +/- 0.9
1300	6.9e-15	12.375	-0.0068	0.0097	<0.001	0.990	0.824	34.3 +/- 2.0
1400	0.0e+0	-0.518	0.3546	-0.0012	1.4	1.000	0	-1.4 +/- 5.0

Sample: EH-46 Polvorin Sericite J=0.0031123

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
525	4.3e-14	6.4310	0.0228	0.0063	21	0.079	0.777	35.8 +/- 0.3
600	8.7e-14	7.5401	0.0101	0.0025	49	0.238	0.911	41.8 +/- 0.1
650	8.0e-14	7.4229	0.0062	0.0018	79	0.390	0.934	41.2 +/- 0.1
700	8.3e-14	7.3233	0.0044	0.0013	111	0.551	0.950	40.7 +/- 0.1
750	6.6e-14	7.1404	0.0021	0.0015	237	0.683	0.942	39.7 +/- 0.2
825	6.9e-14	6.8974	0.0044	0.0026	111	0.818	0.899	38.3 +/- 0.1
950	5.1e-14	6.7753	0.0165	0.0053	30	0.910	0.813	37.6 +/- 0.2
1100	4.6e-14	6.7783	0.0140	0.0064	35	0.991	0.783	37.7 +/- 0.3
1300	5.4e-15	6.5431	0.0133	0.0075	37	1.000	0.747	36.4 +/- 2.4

Sample: EH-54 Co. Silica South Sericite J=0.0031052

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
500	1.3e-13	9.5467	0.0159	0.1414	31	0.025	0.186	52.7 +/- 1.0
550	1.4e-13	8.7773	0.0182	0.1094	27	0.059	0.214	48.5 +/- 0.7
600	1.3e-13	8.4079	0.0178	0.0585	28	0.111	0.327	46.5 +/- 0.4
650	1.3e-13	8.6100	0.0103	0.0314	48	0.185	0.482	47.6 +/- 0.3
700	1.6e-13	8.6610	0.0104	0.0194	47	0.294	0.601	47.9 +/- 0.2
725	1.3e-13	8.6079	0.0123	0.0146	40	0.390	0.666	47.6 +/- 0.2
750	8.8e-15	8.2307	0.0697	0.0163	7.0	0.396	0.631	45.5 +/- 1.6
800	2.2e-13	8.6227	0.0090	0.0105	55	0.581	0.735	47.7 +/- 0.1
825	1.3e-13	8.4658	0.0097	0.0094	51	0.698	0.753	46.8 +/- 0.1
850	9.1e-14	8.5162	0.0121	0.0083	41	0.780	0.776	47.1 +/- 0.2
900	1.0e-13	8.4860	0.0064	0.0071	77	0.877	0.802	46.9 +/- 0.1
1000	9.6e-14	8.0938	0.0127	0.0057	39	0.974	0.828	44.8 +/- 0.1
1100	2.2e-14	7.7077	0.0005	0.0094	1008	1.000	0.735	42.7 +/- 0.6
1300	9.2e-15	4.3550	0.3566	0.0470	1.4	1.000	0.239	24.2 +/- 2.4

Sample: EH93-10 Pebble Dike Biotite J=0.0015040

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
600	1.7e-17	300.17	-45.95	-1.150	<0.001	-0.000	-13.97	672.1 +/- 929.1
700	2.5e-14	-14.624	1.3474	0.1992	0.36	0.114	-0.330	-40.1 +/- 4.3
750	4.2e-14	12.144	0.5139	0.1336	0.95	0.280	0.235	32.7 +/- 3.1
800	3.0e-14	6.4785	1.4124	0.1494	0.35	0.399	0.128	17.5 +/- 4.7
850	2.3e-14	8.1030	1.3111	0.1495	0.37	0.490	0.155	21.9 +/- 4.7
900	3.3e-14	10.766	0.9019	0.1175	0.54	0.638	0.237	29.0 +/- 2.7
950	1.5e-15	17.931	0.4961	0.0440	0.99	0.648	0.581	48.0 +/- 15.2
1000	3.1e-14	20.082	0.1947	0.0790	2.5	0.791	0.463	53.7 +/- 1.7
1050	3.6e-14	23.183	0.1148	0.0753	4.3	0.953	0.510	61.8 +/- 2.1
1100	4.4e-15	14.971	1.1352	0.0857	0.43	0.976	0.372	40.2 +/- 7.3
1150	1.5e-15	-13.088	8.4744	0.1829	0.057	0.983	-0.321	-35.9 +/- 24.1
1200	7.0e-16	1.6331	5.7448	0.0642	0.085	0.990	0.082	4.4 +/- 24.5
1400	1.8e-15	-6.182	3.4509	0.1465	0.14	1.000	-0.166	-16.9 +/- 18.9

Sample: EH93-12 Cuesta Biotite J=0.0015570

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
600	3.1e-17	-140.5	23.164	0.4965	0.021	0.000	-17.87	-445.2 +/- 226.2
700	7.6e-14	10.473	0.2495	0.1730	2.0	0.133	0.170	29.2 +/- 3.1
750	4.1e-13	12.388	0.3634	0.5308	1.3	0.391	0.073	34.5 +/- 4.4
775	4.3e-14	13.614	0.8690	0.3143	0.56	0.434	0.128	37.8 +/- 6.5
800	5.2e-14	11.450	0.5125	0.2237	0.96	0.507	0.148	31.9 +/- 4.5
825	1.5e-14	12.486	0.6589	0.0829	0.74	0.549	0.338	34.7 +/- 3.6
850	1.5e-14	8.3611	0.5179	0.0817	0.95	0.599	0.257	23.3 +/- 3.1
900	4.0e-14	14.994	0.3637	0.0615	1.3	0.727	0.452	41.6 +/- 1.6
950	1.8e-14	19.430	0.4710	0.0364	1.0	0.791	0.644	53.8 +/- 1.9
1000	1.6e-14	16.245	0.4832	0.0334	1.0	0.857	0.623	45.1 +/- 1.6
1050	3.3e-14	21.645	0.4813	0.0261	1.0	0.979	0.738	59.8 +/- 1.1
1100	3.1e-15	19.943	3.3310	0.0289	0.15	0.991	0.706	55.2 +/- 7.0
1150	1.4e-15	-7.4125	5.6727	0.1506	0.086	0.995	-0.201	-20.9 +/- 23.1
1200	1.2e-15	-68.086	7.2443	0.3802	0.067	0.998	-1.530	-202.2 +/- 37.0
1400	1.3e-15	-32.154	8.4090	0.3437	0.058	1.000	-0.461	-92.7 +/- 51.4

Sample: EH93-16 T-17 Dike Hornblende J=0.0015480

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
700	3.9e-15	5.3206	9.5230	1.0007	0.051	0.001	0.018	14.8 +/- 135.0
800	3.5e-15	60.320	37.809	0.5627	0.012	0.003	0.262	161.0 +/- 67.3
900	1.9e-15	47.864	10.118	0.3020	0.048	0.005	0.349	128.9 +/- 57.5
1000	1.2e-15	12.303	5.6526	0.0290	0.086	0.011	0.601	34.0 +/- 13.5
1030	2.4e-15	11.508	5.7999	0.0033	0.084	0.035	0.955	31.9 +/- 3.7
1045	2.8e-15	10.813	6.1971	0.0048	0.079	0.062	0.920	29.9 +/- 2.9
1060	3.8e-15	12.180	6.3219	0.0004	0.077	0.098	1.000	33.7 +/- 2.0
1075	7.0e-15	11.748	6.5183	0.0032	0.075	0.164	0.963	32.5 +/- 1.4
1100	5.6e-14	12.877	6.5114	0.0031	0.075	0.649	0.969	35.6 +/- 0.3
1125	1.4e-14	12.335	7.3059	0.0039	0.067	0.775	0.955	34.1 +/- 0.8
1150	5.6e-15	11.494	7.2610	0.0028	0.067	0.829	0.978	31.8 +/- 1.5
1175	8.1e-15	12.670	7.1207	0.0010	0.068	0.904	1.000	35.0 +/- 1.2
1200	9.5e-15	14.056	7.0804	-0.0029	0.069	0.990	1.000	38.8 +/- 0.9
1250	5.2e-17	6.8999	5.7776	-0.018	0.084	0.996	1.000	19.2 +/- 15.0
1400	3.1e-16	3.5271	7.4093	0.0179	0.066	1.000	0.427	9.8 +/- 19.8

Sample: EH93-16 T-17 Dike Biotite J=0.0015560

Temp	40(mol)	40/39	37/39	36/39	K/Ca	39Ar	40Ar*	Age (Ma)
600	3.8e-17	43.009	6.9796	-0.051	0.070	0.000	1.000	116.9 +/- 463.3
700	2.6e-14	4.6026	0.7961	0.7534	0.62	0.020	0.020	12.9 +/- 25.5
750	2.4e-14	7.3094	1.7390	0.4308	0.28	0.051	0.054	20.4 +/- 11.8
800	1.8e-14	4.9953	0.9257	0.1969	0.53	0.101	0.079	14.0 +/- 6.4
850	1.4e-14	4.6611	0.5442	0.1277	0.90	0.160	0.110	13.0 +/- 3.9
900	2.4e-14	12.143	0.4913	0.0998	1.00	0.260	0.292	33.8 +/- 3.0
950	1.6e-14	15.205	0.1749	0.0274	2.8	0.379	0.653	42.2 +/- 1.8
1000	1.6e-14	15.252	0.2367	0.0237	2.1	0.506	0.686	42.3 +/- 1.3
1050	2.9e-14	16.196	0.2201	0.0255	2.2	0.713	0.683	44.9 +/- 0.9
1100	1.5e-14	14.394	0.4813	0.0094	1.0	0.859	0.840	40.0 +/- 1.2
1150	9.3e-15	12.777	1.3409	0.0099	0.36	0.961	0.819	35.5 +/- 1.3
1200	2.6e-15	9.8741	2.4986	0.0128	0.20	0.995	0.733	27.5 +/- 3.7
1400	6.8e-16	9.4494	4.6523	0.0441	0.10	1.000	0.426	26.3 +/- 27.5