INF-94-68, Labradorite, J-Factor = 0.0004208
|
40Ar/39Ar
|
38Ar/39Ar
x100
|
37Ar/39Ar
|
36Ar/39Ar
x100
|
39ArK
x10-16
mol
|
%40Ar*
|
40Ar*/39ArK
|
Age
±1s (Ma)
|
|
43.57
|
3.753
|
20.86
|
11.19
|
15.90
|
27.9
|
12.3
|
9.31±0.27
|
|
50.88
|
5.130
|
15.04
|
14.30
|
1.680
|
19.3
|
9.90
|
7.49±1.56
|
|
34.06
|
3.210
|
22.07
|
8.370
|
23.80
|
32.5
|
11.2
|
8.49±0.30
|
|
44.11
|
4.030
|
17.13
|
11.50
|
2.900
|
26.1
|
11.6
|
8.78±1.20
|
|
33.27
|
3.260
|
23.05
|
7.579
|
14.00
|
38.2
|
12.9
|
9.74±0.47
|
|
58.86
|
5.970
|
13.23
|
17.48
|
3.260
|
14.0
|
8.31
|
6.29±1.18
|
|
39.25
|
3.890
|
24.16
|
9.870
|
9.150
|
30.6
|
12.2
|
9.21±0.50
|
|
111.6
|
8.910
|
11.52
|
37.81
|
0.729
|
0.7
|
0.77
|
0.58±3.71
|
|
29.53
|
3.110
|
23.12
|
7.086
|
14.70
|
35.3
|
10.6
|
8.00±0.33
|
|
70.71
|
6.940
|
14.00
|
21.93
|
2.590
|
9.9
|
7.07
|
5.35±1.42
|
|
31.27
|
3.200
|
22.81
|
6.850
|
12.40
|
41.0
|
13.0
|
9.85±0.37
|
|
61.94
|
5.690
|
13.34
|
17.72
|
2.270
|
17.1
|
10.7
|
8.09±1.53
|
|
26.35
|
2.980
|
21.89
|
5.940
|
9.480
|
39.9
|
10.7
|
8.07±0.40
|