This sample belongs to: Laura Webb
Sample Name: 05024A-psd2
IGSN: IEUVM0005
Laboratory: University of Vermont
Analyst: Jones
Sample Material: pseudotachylyte
Sample Material Type: Groundmass
Instrumental Method: peak hopping, intensity vs. time regressions
Instrumental Method Reference:
Decay Constant 40Ar Total: 5.464E-10
Decay Constant 40Ar Total Sigma: 9.9984998874831E-12
Decay Constant Reference: Steiger and Jäger (1977)
Standard Name: Fish Canyon
Standard Material: sanidine
Standard Age: 28.02
J-Value: 1.08E-3
J-Value Sigma: 6.91E-6
Sample ID: 24A
Sample Description:
GeoObject Type: Individual Sample
Geoobject Classification:
Collection Method:
Material: Rock
Latitude: -45.21972918
Longitude: 167.31875394
Sample Comment:
Collector: K.A. Klepeis
Material Classification:
Primary Location Name:
Primary Location Type:
Location Description:
Locality:
Locality Description:
Country:
Provice:
County:
City Or Township:
Platform:
Platform ID:
Original Archival Institution:
Original Archival Contact:
Most Recent Archival Institution: University of Vermont Geology Department
Most Recent Archival Contact:
| Analysis Purpose |
Experiments Included |
Preferred Age |
Preferred Age Sigma |
Preferred Age Sigma Internal |
Preferred Age Sigma External |
Preferred Age Type |
Preferred Age Classification |
Preferred Age Reference |
Preferred Age Description |
| Other |
|
|
|
|
|
|
|
|
|
| ID |
Power |
40Ar/39Ar |
37Ar/39Ar |
36Ar/39Ar |
39ArK |
K/Ca |
40Ar* |
39Ar |
Age |
Age Error 1s |
| (step) |
(Watts) |
|
|
|
(CPS) |
|
(%) |
(cumulative %) |
(Ma) |
(Ma) |
| 3.8 |
3.8 |
|
|
1.40E-1 |
2553.8 |
|
12.0 |
1.0767828707651 |
11.355667227427 |
1.8019203088346 |
| 3.9 |
3.9 |
|
|
3.19E-2 |
4793.8 |
|
43.6 |
3.0980140345504 |
14.389587181477 |
0.60505626556561 |
| 4.1 |
4.1 |
|
|
1.21E-2 |
13090.5 |
|
70.4 |
8.6174187242118 |
16.676607230903 |
0.43534907514231 |
| 4.3 |
4.3 |
|
|
8.20E-3 |
17635.9 |
|
79.6 |
16.053359624463 |
18.625955115704 |
0.43135370782839 |
| 4.4 |
4.4 |
|
|
6.75E-3 |
13945.2 |
|
83.7 |
21.933140339649 |
20.152132786621 |
0.44780261760685 |
| 4.5 |
4.5 |
|
|
6.60E-3 |
12726.8 |
|
84.7 |
27.29923199795 |
21.268918667279 |
0.46511180725761 |
| 4.6 |
4.6 |
|
|
7.34E-3 |
15412.4 |
|
83.9 |
33.797631899631 |
22.360405822003 |
0.4920847951029 |
| 4.7 |
4.7 |
|
|
8.10E-3 |
18242.1 |
|
84.1 |
41.489139746714 |
24.96018415491 |
0.54468017308973 |
| 4.75 |
4.75 |
|
|
7.60E-3 |
18452.3 |
|
86.1 |
49.269274233746 |
27.389137296289 |
0.58515806561557 |
| 4.8 |
4.8 |
|
|
8.11E-3 |
19848.8 |
|
86.5 |
57.638219738804 |
30.250774578192 |
0.64194348241507 |
| 4.825 |
4.825 |
|
|
7.88E-3 |
12946.5 |
|
86.8 |
63.096939793017 |
30.290802350332 |
0.6458026530174 |
| 4.85 |
4.85 |
|
|
7.79E-3 |
10713.9 |
|
87.4 |
67.614280791613 |
31.471049304599 |
0.67044035749893 |
| 4.875 |
4.875 |
|
|
8.24E-3 |
9081.9 |
|
87.2 |
71.443545486954 |
32.68675168834 |
0.69558228310594 |
| 4.9 |
4.9 |
|
|
8.23E-3 |
7074.3 |
|
87.6 |
74.426342480307 |
33.698229710721 |
0.7201250569722 |
| 4.95 |
4.95 |
|
|
9.17E-3 |
6961.4 |
|
86.8 |
77.361533484079 |
35.192075137925 |
0.75834250685307 |
| 5.1 |
5.1 |
|
|
8.26E-3 |
12978.8 |
|
88.7 |
82.833853836809 |
37.562629141385 |
0.78363814573011 |
| 5.25 |
5.25 |
|
|
8.96E-3 |
9202.6 |
|
87.9 |
86.71400725303 |
37.657396433309 |
0.79817486012741 |
| 5.5 |
5.5 |
|
|
1.18E-2 |
6557.9 |
|
82.9 |
89.479039582565 |
33.381017269079 |
0.74741948082455 |
| 6 |
6 |
|
|
1.38E-2 |
6877.1 |
|
81.3 |
92.378688060316 |
35.202437106102 |
0.79550018490679 |
| fuse |
fuse |
|
|
2.00E-2 |
18075.6 |
|
75.9 |
100 |
37.392652056808 |
0.88309133843479 |
filename:18595.xml