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

Data Summary for yx16k
E= 45.41 ± 0.87(kcal/mol) log(Do/ro^2)= 4.49 ± 0.22(1/sec) J= .007947

Temp. time % 40Ar* 39Ar % 39Ar* age ± 1sd log(D/r^2) ± 1sd log(r/ro)
(C) (min) -- (E-14 mol) released (Ma) (1/sec) --
400 10 2.727 0.12 0.06 169.8 ± 97.43 -9.26 ± 7.05 0.01
450 10 2.691 0.06 0.10 55.7 ± 19.38 -9.14 ± 6.85 -.05
450 13 1.931 0.05 0.13 29.8 ± 21.28 -9.23 ± 5.37 0.00
500 10 3.952 0.17 0.22 44.1 ± 9.44 -8.38 ± 6.80 0.02
500 14 2.878 0.17 0.31 16.9 ± 6.87 -8.34 ± 5.00 0.00
550 10 28.492 0.46 0.56 24.5 ± 0.81 -7.56 ± 6.78 -.01
550 14 50.581 0.34 0.74 18.0 ± 0.16 -7.65 ± 4.98 0.04
600 10 45.524 0.87 1.21 20.6 ± 0.26 -6.92 ± 6.77 0.02
600 14 73.267 0.95 1.72 19.5 ± 0.05 -6.85 ± 4.98 -.01
650 10 61.559 1.84 2.71 21.1 ± 0.14 -6.24 ± 6.76 -.01
650 13 79.800 1.67 3.61 19.3 ± 0.02 -6.24 ± 5.30 -.01
700 10 68.313 3.59 5.54 20.3 ± 0.09 -5.64 ± 6.74 -.04
700 12 85.373 2.50 6.89 19.4 ± 0.04 -5.74 ± 5.68 0.01
750 10 81.663 4.97 9.57 19.8 ± 0.05 -5.24 ± 6.72 0.01
750 12 90.357 3.48 11.44 19.4 ± 0.04 -5.37 ± 5.66 0.08
800 10 84.411 4.77 14.01 19.3 ± 0.05 -5.07 ± 6.70 0.15
800 11 92.706 3.90 16.11 19.4 ± 0.05 -5.12 ± 6.12 0.18
850 10 87.809 6.77 19.75 19.5 ± 0.07 -4.77 ± 6.69 0.21
850 10 90.671 3.57 21.68 19.3 ± 0.04 -4.98 ± 6.69 0.32
900 10 86.718 5.88 24.84 19.7 ± 0.08 -4.71 ± 6.69 0.37
900 11 90.047 3.41 26.68 19.6 ± 0.05 -4.95 ± 6.11 0.49
950 10 81.484 5.11 29.43 19.6 ± 0.06 -4.69 ± 6.68 0.53
950 10 85.801 2.85 30.97 19.4 ± 0.21 -4.92 ± 6.68 0.65
1000 14 83.348 5.74 34.06 20.3 ± 0.09 -4.73 ± 4.88 0.71
1000 13 86.808 3.24 35.81 20.0 ± 0.06 -4.91 ± 5.22 0.80
1050 10 87.413 6.27 39.18 20.8 ± 0.06 -4.48 ± 6.67 0.73
1050 11 88.633 4.22 41.46 20.2 ± 0.02 -4.66 ± 6.10 0.82
1100 10 86.468 7.76 45.64 21.0 ± 0.04 -4.32 ± 6.67 0.79
1100 20 86.504 7.90 49.89 20.4 ± 0.03 -4.58 ± 3.55 0.92
1100 43 83.591 8.67 54.56 20.7 ± 0.09 -4.82 ± 2.07 1.04
1100 78 79.339 8.43 59.10 21.0 ± 0.09 -5.04 ± 1.67 1.15
1100 120 71.454 7.50 63.14 21.1 ± 0.12 -5.23 ± 1.58 1.25
1100 120 65.502 5.07 65.87 21.0 ± 0.18 -5.36 ± 1.63 1.31
1100 633 57.874 13.17 72.96 21.5 ± 0.14 -5.60 ± 1.52 1.43
1200 10 72.894 4.76 75.52 22.2 ± 0.12 -4.17 ± 6.73 0.96
1300 10 78.029 41.08 97.65 21.3 ± 0.06 -2.80 ± 6.55 0.49
1400 10 68.551 3.02 99.28 22.0 ± 0.14 -3.10 ± 6.61 0.83
1500 0 30.612 1.34 99.99 23.7 ± 0.59 -3.14 ± 6.67 1.02