INF-94-52, Andesine, J-Factor = 0.0004202
|
40Ar/39Ar
|
38Ar/39Ar
x100
|
37Ar/39Ar
|
36Ar/39Ar
x100
|
39ArK
x10-16mol
|
%40Ar*
|
40Ar*/39ArK
|
Age
±1s (Ma)
|
|
46.31
|
6.720
|
5.994
|
8.900
|
28.00
|
44.2
|
20.5
|
15.5±0.21
|
|
47.53
|
6.630
|
5.944
|
9.450
|
26.20
|
42.2
|
20.1
|
15.2±0.18
|
|
38.21
|
6.170
|
5.905
|
6.140
|
33.00
|
53.7
|
20.6
|
15.5±0.14
|
|
42.05
|
6.191
|
6.101
|
7.470
|
37.20
|
48.6
|
20.5
|
15.5±0.17
|
|
90.69
|
13.31
|
1.834
|
24.29
|
8.860
|
21.0
|
19.1
|
14.4±0.73
|
|
33.13
|
5.100
|
6.261
|
4.370
|
31.50
|
62.5
|
20.8
|
15.7±0.15
|
|
49.08
|
6.850
|
5.861
|
9.940
|
27.30
|
41.1
|
20.2
|
15.3±0.23
|
|
88.83
|
13.27
|
1.185
|
24.03
|
8.100
|
20.2
|
17.9
|
13.5±0.73
|
|
43.03
|
6.580
|
6.024
|
7.740
|
19.10
|
47.9
|
20.7
|
15.6±0.21
|
|
158.4
|
18.12
|
1.053
|
48.09
|
2.410
|
10.3
|
16.3
|
12.3±2.27
|
|
33.13
|
5.330
|
6.340
|
4.430
|
37.40
|
62.0
|
20.6
|
15.6±0.12
|
|
35.76
|
6.120
|
5.796
|
5.590
|
11.50
|
55.1
|
19.8
|
14.9±0.26
|