TÁC 40*Ar/39Ar 36Ar/40Ar x103 39Ar/40Ar x100 37Ar/39Ar x100 %39Ar Cumul. % Atm. Age (Ma) ± (Ma) 500 0.902 2.8132 0.1871 0.000 0.101 83.13 27.3 11.2 550 1.420 1.4222 0.4082 0.000 1.045 42.30 42.8 2.0 600 0.936 1.6390 0.5506 0.000 1.802 48.43 28.3 1.9 650 0.845 1.2741 0.7374 0.000 6.112 37.65 25.6 0.5 700 0.865 1.0768 0.7881 0.000 11.395 31.82 26.2 0.4 750 0.848 1.0135 0.8264 0.000 18.272 29.95 25.7 0.3 800 0.906 1.3539 0.6618 0.000 25.724 40.01 27.4 0.4 850 0.801 0.8737 0.9259 0.000 36.038 25.82 24.3 0.1 900 0.774 0.5316 1.0887 0.000 45.941 15.71 23.4 0.1 950 0.767 0.4341 1.1368 0.000 55.101 12.83 23.2 0.1 1000 0.790 0.2314 1.1788 0.000 63.586 6.84 23.9 0.2 1050 0.765 0.3069 1.1880 0.000 70.212 9.07 23.2 0.2 1100 0.752 0.3555 1.1898 0.000 76.762 10.50 22.8 0.2 1150 0.734 0.2851 1.2480 0.000 82.875 8.42 22.2 0.2 1200 0.794 0.2193 1.1778 0.000 88.548 6.48 24.0 0.2 1250 0.784 0.3025 1.1614 0.000 93.469 8.94 23.7 0.2 1300 0.755 0.4086 1.1642 0.000 100.00 12.07 22.9 0.2