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Data Summary for fa8k
E= 50.01 ± 1.71(kcal/mol) log(Do/ro^2)= 6.38 ± 0.47(1/sec) J= .002180

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 14 2.685 0.01 0.04 197.5 ± 126.22 -9.77 ± 5.37 -.04
450 13 16.060 0.02 0.14 66.0 ± 4.39 -8.77 ± 5.66 0.02
500 12 25.769 0.05 0.39 35.0 ± 1.37 -7.84 ± 5.88 0.04
580 10 61.812 0.25 1.71 27.6 ± 0.41 -6.44 ± 6.89 0.00
620 11 75.992 0.42 3.96 23.8 ± 0.41 -5.82 ± 6.25 -.02
660 29 82.774 1.03 9.45 23.9 ± 0.47 -5.48 ± 2.93 0.07
700 23 89.367 0.86 14.06 24.1 ± 0.10 -5.21 ± 3.29 0.18
740 39 92.212 1.49 22.04 24.0 ± 0.03 -5.01 ± 2.28 0.30
780 31 91.874 1.09 27.88 24.2 ± 0.11 -4.91 ± 2.56 0.46
820 18 90.664 0.74 31.83 24.8 ± 0.04 -4.77 ± 3.89 0.57
840 18 88.680 0.63 35.21 24.4 ± 0.14 -4.78 ± 3.88 0.67
840 21 90.915 0.40 37.33 24.3 ± 0.12 -5.02 ± 3.40 0.79
840 63 91.580 0.56 40.33 24.6 ± 0.07 -5.32 ± 1.73 0.94
840 1090 90.589 1.38 47.73 24.6 ± 0.03 -6.11 ± 1.32 1.33
900 49 89.692 0.16 48.56 25.2 ± 0.10 -5.67 ± 1.92 1.37
950 65 93.170 0.43 50.88 25.3 ± 0.04 -5.34 ± 1.69 1.39
1000 12 91.950 0.26 52.26 25.8 ± 0.09 -4.80 ± 5.60 1.30
1050 17 92.746 0.57 55.33 25.8 ± 0.02 -4.58 ± 4.07 1.35
1100 23 90.548 1.20 61.74 27.0 ± 0.04 -4.34 ± 3.13 1.38
1100 40 93.463 1.28 68.59 27.4 ± 0.08 -4.48 ± 2.10 1.45
1100 58 93.686 0.85 73.12 26.9 ± 0.17 -4.74 ± 1.78 1.58
1100 77 94.051 0.83 77.54 26.9 ± 0.04 -4.80 ± 1.64 1.61
1100 41 90.154 0.31 79.20 26.7 ± 0.37 -4.90 ± 2.19 1.66
1100 989 90.290 2.24 91.20 26.9 ± 0.08 -5.23 ± 1.04 1.83
1150 30 96.158 0.75 95.22 27.5 ± 0.06 -3.86 ± 2.50 1.28
1200 20 94.081 0.54 98.09 26.9 ± 0.27 -3.51 ± 3.50 1.24
1550 10 35.888 0.36 99.99 28.1 ± 0.46 -2.45 ± 2.71 1.42