This sample belongs to: Laura Webb
Sample Name: 15AB23-psd1
IGSN: IEUVM0008
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: 1.09E-3
J-Value Sigma: 4.90E-6
Sample ID: 23
Sample Description:
GeoObject Type: Individual Sample
Geoobject Classification:
Collection Method:
Material: Rock
Latitude: -45.2438051
Longitude: 167.3313066
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 |
|
|
5.32E-3 |
11880.0 |
|
62.6 |
7.5161666216374 |
5.2502127239122 |
0.074341698721279 |
| 4 |
4 |
|
|
5.38E-4 |
28830.6 |
|
94.8 |
25.756586146451 |
5.8260873331491 |
0.055030903974098 |
| 4.2 |
4.2 |
|
|
6.78E-4 |
17487.9 |
|
94.8 |
36.820749116784 |
7.2203355558442 |
0.069571514527328 |
| 4.5 |
4.5 |
|
|
1.42E-3 |
10495.1 |
|
89.5 |
43.460727363398 |
7.1886713252612 |
0.076378865667996 |
| 5 |
5 |
|
|
8.23E-4 |
17162.0 |
|
94.3 |
54.3186963846 |
8.0243394946679 |
0.07730996896604 |
| 5.5 |
5.5 |
|
|
1.36E-3 |
21471.5 |
|
91.0 |
67.90320518216 |
8.1457195966657 |
0.080231170433995 |
| 6 |
6 |
|
|
1.79E-3 |
28432.5 |
|
88.2 |
85.891747993217 |
7.8695663435041 |
0.078754208248388 |
| 6.5 |
6.5 |
|
|
2.39E-3 |
6515.7 |
|
84.5 |
90.014077353716 |
7.628997139665 |
0.092163406853271 |
| fuse |
fuse |
|
|
5.42E-3 |
15783.7 |
|
69.9 |
100 |
7.3997479418691 |
0.091114641060196 |
filename:18603.xml
