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

Data Summary for 3790ksp
E= 33.49 ± 0.00(kcal/mol) log(Do/ro^2)= 0.00 ± 0.79(1/sec) J= .000465

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 17 1.625 0.73 0.84 1.4 ± 0.48 -7.26 ± 0.05 -.53
450 21 6.641 0.04 0.89 14.4 ± 2.27 -8.29 ± 0.04 -.02
500 18 33.658 0.16 1.07 38.9 ± 0.81 -7.57 ± 0.04 -.05
500 20 26.892 0.08 1.17 7.8 ± 0.80 -7.85 ± 0.04 0.09
550 18 50.512 0.39 1.62 28.2 ± 0.27 -7.04 ± 0.04 -.03
550 27 38.181 0.24 1.89 4.5 ± 0.32 -7.34 ± 0.03 0.12
600 15 48.912 0.57 2.54 12.3 ± 0.14 -6.60 ± 0.05 0.00
600 25 39.571 0.45 3.05 2.5 ± 0.15 -6.83 ± 0.03 0.12
650 14 43.313 1.02 4.22 5.9 ± 0.08 -6.10 ± 0.05 -.02
650 24 60.741 0.82 5.16 1.8 ± 0.08 -6.32 ± 0.03 0.09
700 20 46.286 1.84 7.27 2.8 ± 0.04 -5.77 ± 0.04 0.02
700 21 54.114 1.20 8.64 1.4 ± 0.06 -5.87 ± 0.03 0.07
750 17 52.514 2.34 11.32 2.0 ± 0.03 -5.39 ± 0.04 0.01
750 31 71.337 2.12 13.74 1.4 ± 0.03 -5.59 ± 0.03 0.12
800 21 63.778 3.09 17.28 1.6 ± 0.02 -5.16 ± 0.03 0.07
850 20 58.673 3.75 21.57 1.6 ± 0.02 -4.96 ± 0.04 0.12
875 14 71.340 2.36 24.28 1.4 ± 0.02 -4.94 ± 0.05 0.18
900 17 63.950 2.55 27.19 1.3 ± 0.03 -4.94 ± 0.04 0.25
925 15 77.340 1.92 29.39 1.4 ± 0.03 -4.96 ± 0.05 0.32
950 25 78.334 2.81 32.60 1.4 ± 0.03 -4.98 ± 0.03 0.40
975 18 75.141 1.74 34.60 1.5 ± 0.04 -5.01 ± 0.04 0.47
1000 17 75.780 1.83 36.69 1.7 ± 0.04 -4.94 ± 0.04 0.49
1025 32 74.016 3.13 40.27 1.8 ± 0.03 -4.95 ± 0.02 0.55
1050 23 71.944 2.16 42.74 2.0 ± 0.04 -4.93 ± 0.03 0.60
1075 25 74.025 2.23 45.30 2.3 ± 0.04 -4.93 ± 0.03 0.65
1100 22 72.273 2.11 47.71 2.4 ± 0.04 -4.87 ± 0.03 0.67
1100 32 73.014 2.20 50.23 2.4 ± 0.05 -5.01 ± 0.02 0.74
1100 50 72.508 2.46 53.05 2.5 ± 0.07 -5.10 ± 0.02 0.78
1100 107 71.951 3.60 57.16 2.6 ± 0.10 -5.24 ± 0.01 0.85
1100 196 76.187 3.96 61.70 2.7 ± 0.16 -5.41 ± 0.01 0.94
1100 846 96.911 8.22 71.11 2.8 ± 0.33 -5.65 ± 0.01 1.06
1150 23 91.563 0.91 72.16 3.0 ± 0.11 -4.97 ± 0.03 0.81
1200 16 86.219 4.30 77.08 3.0 ± 0.02 -4.09 ± 0.04 0.46
1233 23 89.023 11.60 90.41 2.7 ± 0.02 -3.59 ± 0.03 0.26
1266 14 88.419 5.40 96.58 2.6 ± 0.02 -3.30 ± 0.05 0.17
1300 15 84.313 2.08 98.97 2.5 ± 0.06 -3.27 ± 0.04 0.20
1400 23 33.225 0.90 99.99 2.7 ± 0.36 -2.87 ± 0.04 0.14