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Data Summary for fa7k

E= 44.40 ± 1.51(kcal/mol) log(Do/ro^2)= 4.91 ± 0.39(1/sec) J= .002179

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 18 20.691 0.07 0.19 445.2 ± 24.81 -8.56 ± 4.51 0.02
500 21 58.212 0.17 0.66 123.7 ± 0.68 -7.61 ± 3.83 -.02
550 27 80.034 0.41 1.78 47.3 ± 0.16 -6.88 ± 3.19 0.00
600 13 83.050 0.51 3.19 32.5 ± 0.16 -6.15 ± 5.36 -.03
630 13 82.710 0.54 4.66 25.2 ± 0.13 -5.93 ± 5.32 0.05
660 18 85.854 1.29 8.22 30.7 ± 0.08 -5.48 ± 4.03 -.01
690 21 90.260 1.14 11.36 20.2 ± 0.02 -5.42 ± 3.52 0.12
720 16 87.888 1.31 14.98 24.6 ± 0.05 -5.11 ± 4.37 0.12
750 23 92.657 1.40 18.84 20.2 ± 0.03 -5.13 ± 3.23 0.27
780 23 90.212 1.48 22.90 20.9 ± 0.10 -5.02 ± 3.21 0.35
810 40 90.591 1.49 27.01 20.2 ± 0.08 -5.17 ± 2.20 0.56
850 10 86.101 0.56 28.55 20.3 ± 0.07 -4.95 ± 6.68 0.61
850 20 88.723 0.60 30.20 20.1 ± 0.05 -5.20 ± 3.57 0.73
850 22 92.186 0.39 31.27 20.1 ± 0.05 -5.41 ± 3.30 0.84
700 960 67.790 0.14 31.66 20.2 ± 0.39 -7.47 ± 1.46 1.20
750 43 62.662 0.03 31.74 15.4 ± 0.08 -6.85 ± 2.10 1.14
800 54 91.381 0.13 32.08 20.2 ± 0.13 -6.27 ± 1.89 1.07
850 17 90.295 0.14 32.47 19.7 ± 0.11 -5.71 ± 4.10 0.99
900 10 88.719 0.41 33.61 21.0 ± 0.12 -5.01 ± 6.67 0.82
950 14 92.371 0.83 35.90 21.0 ± 0.04 -4.83 ± 4.87 0.90
1000 14 92.330 1.36 39.64 22.1 ± 0.04 -4.58 ± 4.86 0.93
1050 15 90.907 2.28 45.93 23.1 ± 0.12 -4.33 ± 4.56 0.95
1100 16 90.392 3.32 55.06 24.0 ± 0.07 -4.12 ± 4.28 0.98
1140 14 90.027 3.55 64.82 24.5 ± 0.08 -3.93 ± 4.83 0.98
1140 34 92.866 5.16 79.01 25.2 ± 0.04 -3.99 ± 2.24 1.01
1140 39 91.188 2.07 84.69 24.9 ± 0.07 -4.26 ± 2.12 1.15
1140 105 90.778 2.07 90.39 25.0 ± 0.07 -4.52 ± 1.44 1.28
1140 960 80.311 2.42 97.04 24.8 ± 0.05 -5.08 ± 0.92 1.56
1180 25 86.425 0.44 98.24 25.6 ± 0.07 -3.85 ± 2.91 1.04
1250 17 85.471 0.38 99.28 24.8 ± 0.08 -3.45 ± 4.04 0.99
1550 20 21.817 0.26 99.99 26.4 ± 0.08 -2.84 ± 1.21 1.21