LCS-94-72, Anorthoclase, J-Factor = 0.0008102
 
40Ar/39Ar
38Ar/39Ar
x100
37Ar/39Ar
36Ar/39Ar
x100
39ArK 
x10-16mol
%40Ar*
40Ar*/39ArK
Age
±1s (Ma)
10.91
1.510
0.120
0.791
7.374
78.5
8.57
12.5±0.28
10.51
1.383
0.098
0.601
6.713
83.0
8.72
12.7±0.29
10.05
1.378
0.095
0.481
14.84
85.8
8.63
12.6±0.26
9.689
1.295
0.104
0.349
14.87
89.3
8.65
12.6±0.26
10.82
1.207
0.006
0.697
1.657
80.8
8.74
12.7±0.84
10.68
1.443
0.008
0.657
3.045
81.7
8.73
12.7±0.51
10.64
1.584
0.009
0.778
3.393
78.3
8.33
12.1±0.46
17.90
2.051
0.008
3.232
2.635
46.6
8.33
12.1±0.61