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Data Summary for fa1k
E= 45.34 ± 1.51(kcal/mol) log(Do/ro^2)= 4.84 ± 0.39(1/sec) J= .002157

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 50 2.695 0.05 0.18 53.6 ± 138.36 -9.09 ± 3.02 -.40
450 27 14.736 0.02 0.26 87.5 ± 4.95 -8.77 ± 3.30 -.05
500 26 23.712 0.07 0.50 51.1 ± 1.45 -8.04 ± 3.28 0.03
540 49 52.494 0.23 1.27 21.9 ± 0.14 -7.44 ± 2.49 0.04
580 16 66.287 0.20 1.97 20.6 ± 0.26 -6.73 ± 4.50 -.02
620 20 76.571 0.49 3.65 20.7 ± 0.12 -6.21 ± 3.78 -.02
660 19 78.988 0.69 6.00 20.0 ± 0.05 -5.81 ± 3.89 0.01
700 20 79.939 0.84 8.88 19.7 ± 0.06 -5.55 ± 3.70 0.10
740 19 78.535 0.95 12.15 19.7 ± 0.05 -5.32 ± 3.82 0.19
780 16 73.332 0.73 14.65 19.6 ± 0.09 -5.26 ± 4.39 0.34
820 17 56.006 0.66 16.92 19.6 ± 0.16 -5.26 ± 4.15 0.51
840 20 54.117 0.50 18.64 19.6 ± 0.10 -5.40 ± 3.62 0.67
840 49 61.938 0.44 20.15 19.9 ± 0.08 -5.81 ± 2.05 0.87
840 847 73.373 1.57 25.51 20.0 ± 0.09 -6.42 ± 1.55 1.18
900 21 73.551 0.16 26.06 22.0 ± 0.38 -5.75 ± 3.46 1.07
950 15 78.787 0.34 27.22 21.6 ± 0.07 -5.27 ± 4.61 1.00
1000 22 85.055 0.79 29.93 20.8 ± 0.15 -5.04 ± 3.33 1.04
1050 19 86.778 1.16 33.89 20.3 ± 0.07 -4.76 ± 3.74 1.05
1100 23 88.186 1.58 39.31 20.4 ± 0.11 -4.65 ± 3.19 1.13
1100 40 89.971 1.11 43.12 20.3 ± 0.03 -4.99 ± 2.20 1.30
1100 82 90.260 1.09 46.86 20.6 ± 0.04 -5.27 ± 1.67 1.45
1100 61 87.867 0.54 48.70 20.5 ± 0.05 -5.42 ± 1.83 1.52
1100 55 85.382 0.38 50.01 20.9 ± 0.09 -5.54 ± 1.90 1.58
1100 1042 81.270 2.97 60.20 21.5 ± 0.04 -5.83 ± 1.40 1.73
1150 74 87.088 0.65 62.44 21.4 ± 0.05 -5.28 ± 1.78 1.58
1200 17 88.357 1.41 67.28 21.0 ± 0.04 -4.26 ± 4.13 1.19
1250 20 90.653 6.67 90.13 20.9 ± 0.03 -3.39 ± 3.44 0.86
1550 23 79.012 2.88 99.99 22.2 ± 0.04 -2.69 ± 2.62 1.05