"Table 6. SHRIMP U-Pb zircon data for sample EH11290, 206/8-8, 1825.55 m, Unit VIa",,,,,,,,,,,,,,,,,,,,,,,,,, ,,,,,,,,,,,,,,,,,,,,,,,,,, ,,,,,,,,,, Total Ratios,,,,,, Radiogenic Ratios,,,,,,,,Age (Ma),, Grain.,,U,Th,Th/U,206Pb*,204Pb/,f206,,238U/,,207Pb/,,,206Pb/,,207Pb/,,207Pb/,,,,206Pb/,,207Pb/,,% spot,,(ppm),(ppm),,(ppm),206Pb,%,,206Pb,±,206Pb,±,,238U,±,235U,±,206Pb,±,r,,238U,±,206Pb,±,Disc 1.1,,264,80,0.30,51,0.000112,0.19,,4.452,0.054,0.0872,0.0012,,0.2242,0.0027,2.646,0.052,0.0856,0.0013,0.617,,1304,14,1329,30,2 2.1,,791,51,0.06,46,0.000041,0.19,,14.891,0.166,0.0567,0.0007,,0.0670,0.0008,,,,,,,418,5,,, 3.1,,649,209,0.32,124,0.000008,0.01,,4.488,0.049,0.0873,0.0005,,0.2228,0.0024,2.677,0.033,0.0872,0.0005,0.879,,1296,13,1364,11,5 4.1,,222,25,0.11,52, -,<0.01,,3.629,0.044,0.0971,0.0012,,0.2755,0.0034,3.687,0.065,0.0971,0.0012,0.690,,1569,17,1568,24,0 5.1,,72,23,0.32,18, -,<0.01,,3.487,0.058,0.1087,0.0016,,0.2868,0.0047,4.297,0.095,0.1087,0.0016,0.751,,1625,24,1777,27,9 6.1,,221,82,0.37,55,0.000026,0.04,,3.458,0.043,0.1055,0.0010,,0.2891,0.0036,4.191,0.067,0.1052,0.0011,0.777,,1637,18,1717,19,5 7.1,,181,111,0.61,11,0.000036,<0.01,,13.757,0.194,0.0560,0.0013,,0.0727,0.0010,,,,,,,452,6,,, 8.1,,525,221,0.42,106,0.000042,0.07,,4.266,0.047,0.0943,0.0006,,0.2343,0.0026,3.029,0.039,0.0938,0.0006,0.862,,1357,14,1503,12,10 9.1,,286,175,0.61,76,0.000032,0.05,,3.226,0.038,0.1130,0.0007,,0.3099,0.0037,4.810,0.067,0.1126,0.0008,0.856,,1740,18,1842,13,6 10.1,,106,67,0.63,14, -,<0.01,,6.579,0.100,0.0683,0.0013,,0.1524,0.0026,1.477,0.082,0.0703,0.0032,0.725,,914,14,937,92,2 11.1,,166,132,0.80,25,0.000025,0.04,,5.663,0.080,0.0825,0.0013,,0.1765,0.0025,2.000,0.043,0.0822,0.0013,0.660,,1048,14,1249,31,16 12.1,,115,72,0.62,26, -,<0.01,,3.826,0.059,0.0983,0.0014,,0.2614,0.0040,3.545,0.075,0.0983,0.0014,0.725,,1497,20,1593,27,6 13.1,,265,117,0.44,54, -,<0.01,,4.199,0.051,0.0923,0.0008,,0.2382,0.0029,3.033,0.045,0.0923,0.0008,0.811,,1377,15,1475,17,7 14.1,,141,72,0.51,30,0.000123,0.20,,4.074,0.055,0.0891,0.0010,,0.2456,0.0036,3.034,0.100,0.0896,0.0021,0.787,,1416,19,1417,44,0 15.1,,338,123,0.36,17, -,0.49,,17.480,0.244,0.0576,0.0014,,0.0569,0.0008,,,,,,,357,5,,, 16.1,,547,170,0.31,69,0.000022,0.04,,6.857,0.080,0.0733,0.0008,,0.1458,0.0017,1.467,0.023,0.0730,0.0008,0.736,,877,10,1013,22,13 17.1,,38,35,0.92,7,0.000151,0.25,,4.439,0.096,0.0942,0.0023,,0.2247,0.0048,2.852,0.103,0.0921,0.0027,0.599,,1307,26,1469,55,11 18.1,,187,37,0.20,88,0.000018,0.02,,1.830,0.023,0.1945,0.0010,,0.5464,0.0068,14.641,0.195,0.1943,0.0010,0.927,,2810,28,2779,8,-1 19.1,,35,62,1.76,13,0.000353,0.51,,2.272,0.045,0.1890,0.0026,,0.4378,0.0088,11.148,0.294,0.1847,0.0031,0.764,,2341,39,2695,28,13 20.1,,277,217,0.79,40,0.000027,0.05,,5.945,0.073,0.0732,0.0008,,0.1681,0.0021,1.688,0.029,0.0728,0.0009,0.720,,1002,11,1009,24,1 21.1,,328,141,0.43,17,0.000029,0.38,,16.462,0.220,0.0573,0.0012,,0.0605,0.0008,,,,,,,379,5,,, 21.2,,25,16,0.66,4, -,<0.01,,5.760,0.157,0.0848,0.0033,,0.1736,0.0047,2.031,0.097,0.0848,0.0033,0.572,,1032,26,1312,76,21 23.1,,189,78,0.41,35,0.000060,0.10,,4.588,0.062,0.0904,0.0011,,0.2177,0.0029,2.688,0.052,0.0895,0.0012,0.705,,1270,16,1415,26,10 24.1,,331,121,0.37,126, -,<0.01,,2.254,0.027,0.1930,0.0010,,0.4438,0.0053,11.814,0.153,0.1931,0.0010,0.918,,2368,24,2769,8,14 25.1,,899,668,0.74,257,0.000366,0.57,,3.007,0.032,0.1928,0.0006,,0.3307,0.0035,8.583,0.098,0.1883,0.0008,0.937,,1842,17,2727,7,32 26.1,,71,37,0.53,23, -,<0.01,,2.678,0.044,0.1431,0.0017,,0.3742,0.0062,7.481,0.161,0.1450,0.0020,0.768,,2049,29,2288,24,10 27.1,,121,84,0.70,29,0.000078,0.12,,3.606,0.050,0.0946,0.0011,,0.2769,0.0039,3.570,0.069,0.0935,0.0012,0.727,,1576,20,1498,25,-5 28.1,,156,59,0.38,43,0.000040,0.06,,3.089,0.040,0.1073,0.0009,,0.3236,0.0042,4.764,0.076,0.1068,0.0010,0.815,,1807,20,1745,17,-4 29.1,,802,334,0.42,256, -,<0.01,,2.698,0.029,0.1177,0.0004,,0.3707,0.0039,6.020,0.067,0.1178,0.0004,0.955,,2033,18,1923,6,-6 30.1,,78,50,0.64,13,0.000262,0.44,,5.185,0.090,0.0851,0.0018,,0.1920,0.0034,2.155,0.078,0.0814,0.0026,0.484,,1132,18,1231,62,8 31.1,,618,124,0.20,148,0.000003,0.00,,3.579,0.040,0.1092,0.0007,,0.2794,0.0031,4.206,0.053,0.1092,0.0007,0.879,,1588,16,1786,11,11 32.1,,1191,324,0.27,263,0.000022,0.03,,3.897,0.041,0.1093,0.0004,,0.2565,0.0027,3.856,0.043,0.1090,0.0004,0.934,,1472,14,1783,7,17 33.1,,228,49,0.21,61,0.000087,0.14,,3.235,0.040,0.1154,0.0009,,0.3087,0.0038,4.863,0.073,0.1142,0.0010,0.815,,1734,19,1868,16,7 34.1,,94,80,0.85,14,0.000150,0.25,,5.698,0.087,0.0803,0.0014,,0.1750,0.0027,1.886,0.055,0.0782,0.0020,0.522,,1040,15,1151,50,10 35.1,,166,160,0.96,45,0.000065,0.10,,3.148,0.040,0.1064,0.0009,,0.3174,0.0040,4.618,0.074,0.1055,0.0010,0.793,,1777,20,1724,18,-3 36.1,,24,19,0.79,12,0.000221,0.29,,1.738,0.039,0.2050,0.0027,,0.5736,0.0128,16.006,0.433,0.2024,0.0031,0.825,,2923,52,2845,25,-3 37.1,,54,53,0.99,22, -,<0.01,,2.084,0.037,0.1834,0.0020,,0.4799,0.0086,12.136,0.256,0.1834,0.0020,0.849,,2527,37,2684,18,6 38.1,,26,30,1.15,11, -,<0.01,,2.023,0.046,0.1871,0.0029,,0.4944,0.0113,12.751,0.352,0.1871,0.0029,0.830,,2590,49,2716,25,5 39.1,,623,544,0.87,158,0.000593,0.94,,3.392,0.037,0.2137,0.0008,,0.2921,0.0032,8.316,0.100,0.2065,0.0010,0.907,,1652,16,2878,8,43 40.1,,245,127,0.52,46, -,<0.01,,4.577,0.056,0.0885,0.0009,,0.2185,0.0027,2.666,0.042,0.0885,0.0009,0.783,,1274,14,1393,19,9 41.1,,335,21,0.06,93, -,<0.01,,3.087,0.036,0.1780,0.0012,,0.3241,0.0038,7.972,0.108,0.1784,0.0013,0.854,,1810,18,2638,12,31 42.1,,152,80,0.52,22, -,<0.01,,5.896,0.084,0.0789,0.0013,,0.1697,0.0024,1.855,0.041,0.0793,0.0013,0.649,,1010,13,1179,33,14 43.1,,144,182,1.26,29, -,<0.01,,4.215,0.062,0.1025,0.0015,,0.2375,0.0035,3.394,0.075,0.1036,0.0017,0.668,,1374,18,1690,30,19 44.1,,232,82,0.35,32, -,<0.01,,6.262,0.080,0.0736,0.0010,,0.1597,0.0021,1.621,0.030,0.0736,0.0010,0.694,,955,11,1032,27,7 45.1,,153,44,0.29,67, -,<0.01,,1.962,0.025,0.2020,0.0012,,0.5098,0.0066,14.224,0.202,0.2024,0.0012,0.909,,2656,28,2845,10,7 46.1,,153,75,0.49,22,0.000051,0.09,,5.864,0.083,0.0743,0.0017,,0.1704,0.0024,1.728,0.048,0.0735,0.0018,0.505,,1014,13,1029,49,1 47.1,,130,209,1.61,56,0.000046,0.06,,1.997,0.027,0.1873,0.0012,,0.5004,0.0067,12.886,0.192,0.1868,0.0012,0.897,,2615,29,2714,11,4 48.1,,164,62,0.38,20,0.000068,0.12,,6.973,0.101,0.0748,0.0013,,0.1432,0.0021,1.458,0.036,0.0738,0.0015,0.590,,863,12,1037,40,17 49.1,,128,81,0.63,32,0.000051,0.08,,3.461,0.048,0.1111,0.0012,,0.2887,0.0040,4.397,0.079,0.1105,0.0012,0.776,,1635,20,1807,21,10 50.1,,72,64,0.88,30,0.000122,0.17,,2.036,0.031,0.1925,0.0017,,0.4904,0.0076,12.919,0.236,0.1910,0.0019,0.847,,2573,33,2751,16,6 51.1,,68,73,1.08,28, -,<0.01,,2.092,0.034,0.2002,0.0033,,0.4779,0.0078,13.193,0.305,0.2002,0.0033,0.703,,2518,34,2828,27,11 52.1,,430,110,0.26,110,0.000026,0.04,,3.367,0.038,0.1098,0.0006,,0.2969,0.0033,4.478,0.057,0.1094,0.0007,0.883,,1676,17,1789,11,6 53.1,,358,234,0.65,75, -,<0.01,,4.092,0.046,0.0854,0.0006,,0.2446,0.0031,2.911,0.085,0.0863,0.0017,0.843,,1411,16,1345,38,-5 54.1,,178,69,0.39,85,0.000010,0.01,,1.806,0.022,0.2007,0.0010,,0.5537,0.0068,15.310,0.203,0.2006,0.0010,0.926,,2840,28,2831,8,0 55.1,,74,82,1.12,13,0.000082,0.14,,4.874,0.082,0.0848,0.0017,,0.2049,0.0035,2.364,0.064,0.0837,0.0018,0.621,,1201,19,1286,42,7 56.1,,40,36,0.89,6, -,<0.01,,5.453,0.120,0.0793,0.0025,,0.1834,0.0041,2.005,0.076,0.0793,0.0025,0.580,,1085,22,1179,61,8 57.1,,418,103,0.25,50,0.000048,0.08,,7.230,0.082,0.0793,0.0015,,0.1382,0.0016,1.499,0.034,0.0786,0.0016,0.497,,834,9,1163,39,28 58.1,,184,143,0.78,41,0.000022,0.04,,3.876,0.048,0.1139,0.0014,,0.2579,0.0032,4.040,0.071,0.1136,0.0014,0.701,,1479,16,1858,23,20 59.1,,86,44,0.51,41,0.000055,0.07,,1.776,0.025,0.2150,0.0014,,0.5626,0.0080,16.626,0.262,0.2143,0.0015,0.902,,2877,33,2939,11,2 60.1,,51,43,0.84,23,0.000143,0.19,,1.889,0.032,0.2000,0.0019,,0.5283,0.0090,14.444,0.290,0.1983,0.0021,0.846,,2734,38,2812,17,3 61.1,,536,394,0.74,30,0.000000,0.09,,15.568,0.181,0.0554,0.0008,,0.0642,0.0008,,,,,,,401,5,,, 62.1,,229,204,0.89,72,0.000027,0.04,,2.752,0.033,0.2420,0.0014,,0.3632,0.0044,12.103,0.162,0.2417,0.0014,0.901,,1997,21,3131,9,36 63.1,,210,94,0.45,11, -,<0.01,,15.766,0.221,0.0543,0.0013,,0.0635,0.0009,,,,,,,397,5,,, 64.1,,157,141,0.90,59,0.000018,0.03,,2.282,0.029,0.1696,0.0012,,0.4381,0.0057,10.232,0.149,0.1694,0.0012,0.884,,2342,25,2551,11,8 65.1,,339,132,0.39,40, -,<0.01,,7.329,0.088,0.0743,0.0009,,0.1364,0.0016,1.398,0.024,0.0743,0.0009,0.695,,824,9,1050,25,21 66.1,,81,39,0.48,38,0.000047,0.06,,1.798,0.027,0.1987,0.0015,,0.5560,0.0082,15.187,0.252,0.1981,0.0015,0.889,,2850,34,2811,12,-1 67.1,,113,98,0.87,6,0.000181,0.32,,15.032,0.254,0.0577,0.0019,,0.0663,0.0011,,,,,,,414,7,,, 68.1,,72,32,0.44,15,0.000143,0.23,,4.019,0.065,0.0984,0.0015,,0.2482,0.0040,3.300,0.086,0.0964,0.0019,0.626,,1429,21,1556,38,8 69.1,,516,350,0.68,44,0.000050,0.31,,9.967,0.112,0.0628,0.0007,,0.1000,0.0011,,,,,,,615,7,,, 70.1,,92,87,0.94,5, -,0.07,,15.911,0.281,0.0551,0.0020,,0.0628,0.0011,,,,,,,393,7,,, "Uncertainties are given at the one s level. Error in Temora reference zircon calibration was 0.71% for the analytical session (not included in above errors but required when comparing 206Pb/238U data from different mounts). f206 % denotes the percentage of 206Pb that is common Pb. For areas older than ~800 Ma correction for common Pb made using the measured 204Pb/206Pb ratio. For areas younger than ~800 Ma correction for common Pb made using the measured 238U/206Pb and 207Pb/206Pb ratios following Tera and Wasserburg (1972) as outlined in Williams (1998). For % Disc, 0% denotes a concordant analysis.",,,,,,,,,,,,,,,,,,,,,,,,,,