This sample belongs to: Laura Webb
Sample Name: 5MT3B-bt1
IGSN: IEUVM0009
Laboratory: University of Vermont
Analyst: Jones
Sample Material: biotite
Sample Material Type: Single Crystal
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: Min et al. (2002)
Standard Name: Fish Canyon
Standard Material: sanidine
Standard Age: 28.201
J-Value: 5.34E-4
J-Value Sigma: 1.92E-6
Sample ID: 5MT3B
Sample Description:
GeoObject Type: Individual Sample
Geoobject Classification:
Collection Method:
Material: Rock
Latitude: -44.5102929
Longitude: 168.02167187
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 |
|
|
2.88E-2 |
24.4 |
|
44.8 |
0.96 |
23.509894604804 |
4.7670088906882 |
| 4 |
4 |
|
|
2.93E-3 |
287.3 |
|
87.9 |
12.27 |
75.861042713222 |
2.6936661621217 |
| 4.2 |
4.2 |
|
|
1.82E-3 |
408.9 |
|
93.2 |
28.38 |
88.386137262899 |
1.6819698695014 |
| 4.4 |
4.4 |
|
|
1.80E-3 |
416.7 |
|
93.6 |
44.79 |
90.419919021231 |
1.6605175640204 |
| 4.6 |
4.6 |
|
|
1.44E-3 |
500.6 |
|
94.3 |
64.50 |
86.238054936375 |
1.4242500684141 |
| 4.8 |
4.8 |
|
|
2.40E-3 |
326.9 |
|
91.4 |
77.38 |
78.914589297343 |
1.7237377483959 |
| 5.2 |
5.2 |
|
|
2.39E-3 |
289.1 |
|
92.1 |
88.76 |
70.770859338157 |
1.6624098813201 |
| fuse |
fuse |
|
|
2.48E-3 |
285.4 |
|
92.7 |
100.00 |
81.802503907787 |
1.9426858688726 |
filename:18611.xml