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Data Summary for spksp
E= 47.96 ± 1.35(kcal/mol) log(Do/ro^2)= 5.61 ± 0.36(1/sec) J= .007300

Temp. time % 40Ar* 39Ar % 39Ar* age ± 1sd log(D/r^2) ± 1sd log(r/ro)
(C) (min) -- (E-14 mol) released (Ma) (1/sec) --
550 34 84.042 70.48 0.06 69.6 ± 0.35 -9.96 ± 3.27 0.00
550 30 91.009 36.14 0.16 67.3 ± 0.95 -8.96 ± **** 0.04
600 17 91.208 81.23 0.42 70.2 ± 0.72 -8.00 ± 6.66 0.03
650 30 95.675 265.27 1.43 70.8 ± 0.25 -7.14 ± 3.77 0.01
700 18 97.491 209.41 1.95 71.2 ± 0.19 -7.12 ± 4.30 0.00
725 23 98.061 202.70 3.12 70.9 ± 0.15 -6.34 ± 5.00 -.03
750 23 98.684 169.54 3.16 71.4 ± 0.22 -7.88 ± 3.84 -.03
775 42 97.693 252.45 6.96 70.9 ± 0.15 -5.77 ± 3.29 0.02
800 35 97.992 199.20 9.97 71.4 ± 0.32 -5.43 ± 4.12 0.14
800 60 98.244 155.99 12.88 71.0 ± 0.14 -5.42 ± 3.36 0.27
850 25 96.191 118.43 15.31 71.0 ± 0.30 -5.41 ± 3.31 0.39
900 25 97.061 188.66 18.93 70.9 ± 0.27 -5.41 ± 2.27 0.51
950 25 96.824 284.12 21.79 71.0 ± 0.16 -5.36 ± 2.46 0.60
975 30 96.079 293.86 24.02 71.0 ± 0.18 -5.65 ± 1.93 0.75
1000 24 95.330 104.92 24.22 70.4 ± 0.43 -6.25 ± 3.36 0.81
1000 51 95.987 139.08 24.31 71.7 ± 0.29 -6.81 ± 2.41 0.82
1000 137 95.901 224.47 24.36 71.3 ± 0.27 -8.16 ± 1.59 0.88
1050 22 94.371 79.93 26.06 75.0 ± 0.51 -5.35 ± 3.05 0.81
1100 18 94.053 138.45 28.77 75.0 ± 0.35 -5.11 ± 3.04 0.89
1100 32 95.568 165.53 32.84 76.0 ± 0.20 -4.88 ± 3.03 0.96
1100 61 94.929 203.78 37.06 75.1 ± 0.31 -4.89 ± 2.65 1.05
1100 90 96.627 191.24 38.56 76.2 ± 0.15 -5.21 ± 3.12 1.29
1100 321 95.072 264.39 40.56 75.8 ± 0.14 -5.39 ± 1.99 1.39
1100 360 94.158 208.18 43.78 75.6 ± 0.15 -5.59 ± 1.58 1.48
1100 780 94.202 320.40 43.93 75.9 ± 0.14 -5.92 ± 4.61 1.48
1100 660 92.932 213.52 43.99 76.0 ± 0.12 -6.49 ± 3.60 1.58
1100 840 92.498 222.09 44.02 75.8 ± 0.25 -6.97 ± 2.55 1.62
1100 4065 89.857 528.08 44.03 76.2 ± 0.19 -7.47 ± 2.08 1.66
1200 30 96.293 353.18 45.18 75.7 ± 0.10 -5.22 ± 3.32 1.45
1300 25 95.965 572.73 47.17 75.8 ± 0.11 -4.87 ± 3.91 1.43
1550 15 52.112 178.97 49.54 77.4 ± 0.51 -5.03 ± 2.51 1.50