This sample belongs to: Laura Webb
Sample Name: 15AB22D-psd1
IGSN: IEUVM0007
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: 5.74E-6
Sample ID: 22
Sample Description:
GeoObject Type: Individual Sample
Geoobject Classification:
Collection Method:
Material: Rock
Latitude: -45.24391472
Longitude: 167.33097709
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 and GNS Science Petlab collections
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 |
|
|
5.17E-3 |
25657.0 |
|
62.0 |
9.1151864266841 |
4.9430646087684 |
0.068507066010702 |
| 3.9 |
3.9 |
|
|
6.03E-4 |
27328.2 |
|
94.2 |
18.824077720102 |
5.7718853098442 |
0.057427001702054 |
| 4.1 |
4.1 |
|
|
9.34E-4 |
28280.8 |
|
92.7 |
28.871399771126 |
6.919896533623 |
0.069149016937195 |
| 4.3 |
4.3 |
|
|
1.92E-3 |
20043.3 |
|
85.9 |
35.992192586966 |
6.8810333446333 |
0.073804736307986 |
| 4.6 |
4.6 |
|
|
9.71E-4 |
28036.1 |
|
93.0 |
45.952608658944 |
7.5417195259759 |
0.075721337100655 |
| 4.9 |
4.9 |
|
|
1.20E-3 |
28101.5 |
|
91.7 |
55.93622614209 |
7.7222443342034 |
0.077259667419574 |
| 5.2 |
5.2 |
|
|
1.72E-3 |
25016.5 |
|
88.4 |
64.823832500152 |
7.678203791423 |
0.080388746103417 |
| 5.5 |
5.5 |
|
|
1.70E-3 |
37926.5 |
|
88.6 |
78.29798160243 |
7.732721576677 |
0.079728352002563 |
| 5.8 |
5.8 |
|
|
2.57E-3 |
27512.5 |
|
83.2 |
88.072369518093 |
7.4354494380386 |
0.080020739367394 |
| 6.1 |
6.1 |
|
|
2.99E-3 |
8955.8 |
|
80.9 |
91.25410148153 |
7.3893636888552 |
0.092668989911951 |
| fuse |
fuse |
|
|
9.39E-3 |
24617.6 |
|
57.0 |
100 |
7.2718307614209 |
0.10692974628553 |
filename:18601.xml