(Click here for a Complete Data Set in Excel 4.0 format)

Data Summary for 940ksp
E= 43.52 ± 2.14(kcal/mol) log(Do/ro^2)= 5.11 ± 0.60(1/sec) J= .006800

Temp. time % 40Ar* 39Ar % 39Ar* age ± 1sd log(D/r^2) ± 1sd log(r/ro)
(C) (min) -- (E-14 mol) released (Ma) (1/sec) --
450 10 35.524 0.73 0.24 688.1 ± 5.28 -8.13 ± 7.03 0.04
450 20 40.319 0.66 0.45 289.1 ± 1.91 -8.01 ± 3.83 -.02
500 9 86.520 1.06 0.80 374.4 ± 0.52 -7.20 ± 7.47 0.00
500 20 95.367 1.54 1.30 266.2 ± 0.25 -7.16 ± 3.71 -.02
550 8 97.180 2.11 1.99 360.9 ± 0.33 -6.43 ± 8.32 -.01
550 20 98.759 3.47 3.12 263.5 ± 0.50 -6.42 ± 3.68 -.01
600 8 97.361 3.64 4.31 343.7 ± 0.41 -5.84 ± 8.31 0.03
600 26 99.369 5.80 6.20 276.8 ± 0.47 -6.00 ± 2.99 0.11
650 11 98.586 4.93 7.81 314.6 ± 0.48 -5.57 ± 6.12 0.19
650 11 99.450 3.45 8.93 284.4 ± 1.10 -5.65 ± 6.11 0.23
700 2 97.459 1.45 9.41 327.0 ± 0.35 -5.25 ± **** 0.29
500 70 92.731 0.09 9.43 264.6 ± 15.96 -8.01 ± 1.72 0.41
600 57 98.872 0.97 9.75 289.0 ± 1.29 -6.86 ± 1.85 0.54
700 30 99.363 6.19 11.77 289.2 ± 0.73 -5.72 ± 2.63 0.53
750 18 98.806 5.29 13.50 294.9 ± 0.20 -5.50 ± 3.90 0.66
800 18 99.065 7.06 15.80 295.2 ± 0.29 -5.31 ± 3.90 0.78
825 21 99.348 6.63 17.96 295.1 ± 0.24 -5.34 ± 3.42 0.90
850 25 99.340 5.21 19.66 299.1 ± 0.54 -5.48 ± 2.97 1.06
875 27 99.114 5.18 21.35 305.9 ± 0.37 -5.47 ± 2.79 1.15
900 27 99.078 5.04 22.99 310.7 ± 0.29 -5.45 ± 2.79 1.23
925 24 98.951 4.79 24.55 318.1 ± 0.41 -5.39 ± 3.05 1.28
950 24 98.753 5.35 26.30 324.5 ± 0.38 -5.32 ± 3.05 1.32
975 26 98.201 6.49 28.42 333.0 ± 0.32 -5.23 ± 2.86 1.36
1000 31 98.212 8.96 31.34 344.5 ± 0.41 -5.13 ± 2.51 1.39
1025 14 97.702 4.86 32.92 351.5 ± 0.41 -5.02 ± 4.85 1.40
1030 59 98.128 14.90 37.78 358.1 ± 0.52 -5.12 ± 1.73 1.46
1050 27 98.327 7.23 40.14 363.4 ± 0.41 -5.05 ± 2.76 1.49
1075 18 98.381 8.02 42.76 365.6 ± 0.39 -4.80 ± 3.86 1.43
1090 17 98.404 8.12 45.41 365.1 ± 0.35 -4.75 ± 4.06 1.44
1100 16 98.671 8.37 48.14 365.1 ± 0.54 -4.68 ± 4.28 1.43
1100 23 98.424 9.95 51.38 364.3 ± 0.25 -4.74 ± 3.12 1.46
1100 56 98.014 17.18 56.99 362.5 ± 0.38 -4.83 ± 1.73 1.51
1100 61 97.317 15.81 62.14 366.2 ± 0.31 -4.85 ± 1.67 1.52
1100 63 96.292 12.25 66.14 368.2 ± 0.40 -4.92 ± 1.67 1.55
1100 77 95.182 11.72 69.96 369.1 ± 0.28 -4.98 ± 1.56 1.58
1100 103 93.789 12.70 74.10 371.1 ± 0.19 -5.01 ± 1.45 1.60
1100 116 93.055 10.95 77.67 371.6 ± 0.25 -5.06 ± 1.43 1.62
1100 142 92.079 10.33 81.04 373.0 ± 1.91 -5.11 ± 1.41 1.65
1100 242 91.172 12.09 84.99 374.1 ± 0.42 -5.19 ± 1.34 1.68
1100 792 91.020 17.86 90.81 377.3 ± 0.28 -5.38 ± 1.19 1.78
1150 27 95.299 3.17 91.85 384.3 ± 0.63 -4.52 ± 2.82 1.48
1200 22 96.625 10.87 95.39 386.3 ± 0.42 -3.76 ± 3.23 1.21
1225 33 95.063 10.98 98.97 379.6 ± 0.74 -3.51 ± 2.13 1.14
1250 16 87.705 1.42 99.44 399.1 ± 1.70 -3.59 ± 4.26 1.23
1350 10 62.108 1.07 99.79 379.2 ± 1.66 -3.18 ± 6.63 1.22
1500 8 41.101 0.65 99.99 368.2 ± 6.95 -2.59 ± 2.56 1.17