This sample belongs to: gaétan milesi
Sample Name: TET4tf
IGSN: IEMIL000F
Laboratory: GET
Analyst: S. Brichau
Mineral: Apatite
Dosimeter Glass: CN5
Dosimeter Glass U ppm: 12.5
Irradiation: 19IR1-C3
Count Date: 26/02/2020
Locality: GET, Toulouse, France
Rock Type:
Rock Age:
Acquisition system: Olympus BX61
Magnification: 1250
Radiation Facility: Chilean CCHEN reactor
Total Thermal Neutron Fluence: 1.1E16 n/cm²
Position in Irradiation Canister (#): 15
Area of Graticule Square: 0.000000884
No. of Crystals Counted: 16
Zeta Factor: 341.8
Zeta Factor Error (1s): 7.97
Rho d: 1182805.43
Rho d (% Relative Error): 1.4
N d: 10391
Geometry factor (for EDM and Zeta ICPMS methods):
Etchant: 40% HF
Etching Conditions: 20°C for 40 min
Method - U: External detector
ICPMS Model:
Laser Model and Type:
Instrumental Method References:
U Calibration Standard:
U ppm of Standard:
Specific Denisty of Dated Mineral:
Avagadro Constant:
Registration Factor (Rsp):
Etching Correction Factor (k):
ICPMS Zeta Standard:
Standard Age:
Standard Age Error:
Primary Zeta:
1 sigma Uncertainty:
Session (Modified) Zeta:
1 sigma (Modified) Uncertainty:
Comment:
Chemistry Method: 5.5N HNO3 at 20°C for 20s
Chemistry Laboratory: GET
Chemistry Comment: No
238U Decay Constant: 1.55125E-10
238U Decay Constant Error: 8.3E-8
235U Decay Constant: 9.84850E-10
235U Decay Constant Error: 6.7E-7
232Th Decay Constant : 4.94750E-11
232Th Decay Constant Error: 0.0000025
Spontaneous Fission Decay Constant: 8.46E-17
Spontaneous Fission Decay Constant Error: 0.14E-17
238U/235U: 137.88
Fission Decay Constant Reference: Spadavecchia , A. & Hahn, B. (1967). Die Rotationskammer und einige Anwendungen. Helvetica Physica Acta, 40, p. 1063-1079
Decay Constant References: Steiger, R.H. and Jager, E., 1977, Subcommission on geochronology: Convention on the use of decay constants in geo- and cosmochronology. Earth and Planetary Science Letters, v. 36, no. 3, p. 359-362
Decay Constant Comment:
Sample ID: TET4
Sample Description:
GeoObject Type: Individual Sample
Geoobject Classification:
Collection Method:
Material: Rock
Latitude: 42.51175
Longitude: 2.25487
Sample Comment:
Collector: Gaétan Milesi
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 Montpellier
Most Recent Archival Contact:
| Analysis Purpose |
Preferred Age Type |
Pooled Age |
Pooled Age Error +95% |
Pooled Age Error -95% |
Chi-squared Value |
Degrees of Freedom |
P (Chi-suqared) |
Mean Crystal Age |
Mean Crystal Age Error +95% |
Mean Crystal Age Error -95% |
Central Age |
Central Age Error +95% |
Central Age Error -95% |
Central Age - Age Dispersion (%) |
Binomial Age |
Binomial Age Error +95% |
Binomial Age Error -95% |
Other Age |
Other Age Error |
Preferred Age Explanation |
Age Reference |
| Cooling |
Central |
17.4 |
3.8 |
3.1 |
6.65 |
9 |
67.37 |
17.8 |
5.2 |
2.7 |
17.4 |
3.8 |
3.1 |
0.1 |
|
|
|
|
|
|
|
| Grain ID |
N s |
N i |
Na |
Dpar |
Dper |
Rmr0 |
Rho s |
Rho i |
Rho s / Rho i |
Area (Ω) |
# of Etch Figures |
238U/43Ca |
error (1σ) |
U ppm |
U error (1s) |
Age (Ma) |
Age error +1s |
Age error -1s |
CaO |
P2O5 |
F |
Cl |
SrO |
BaO |
Si02 |
Na2O |
CeO2 |
FeO |
Total |
| 2A |
10 |
156 |
28 |
1.16 |
0.38 |
|
4.04E+5 |
6.30E+6 |
0.06410 |
|
5 |
|
|
66.6 |
|
12.9 |
11.9 |
6.2 |
|
|
|
|
|
|
|
|
|
|
|
| 3A |
14 |
167 |
40 |
0.88 |
0.33 |
|
3.96E+5 |
4.72E+6 |
0.08383 |
|
5 |
|
|
49.9 |
|
16.9 |
12.6 |
7.2 |
|
|
|
|
|
|
|
|
|
|
|
| 4A |
6 |
89 |
28 |
1.04 |
0.34 |
|
2.42E+5 |
3.60E+6 |
0.06742 |
|
5 |
|
|
38.0 |
|
13.6 |
18.0 |
7.8 |
|
|
|
|
|
|
|
|
|
|
|
| 5A |
15 |
130 |
30 |
1.11 |
0.44 |
|
5.66E+5 |
4.90E+6 |
0.11538 |
|
5 |
|
|
51.8 |
|
23.3 |
16.9 |
9.8 |
|
|
|
|
|
|
|
|
|
|
|
| 6A |
11 |
160 |
100 |
1.15 |
0.25 |
|
1.24E+5 |
1.81E+6 |
0.06875 |
|
5 |
|
|
19.1 |
|
13.9 |
12.0 |
6.5 |
|
|
|
|
|
|
|
|
|
|
|
| 7A |
20 |
164 |
30 |
0.96 |
0.39 |
|
7.54E+5 |
6.18E+6 |
0.12195 |
|
5 |
|
|
65.4 |
|
24.6 |
15.0 |
9.3 |
|
|
|
|
|
|
|
|
|
|
|
| 5C |
8 |
119 |
24 |
1.13 |
0.33 |
|
3.77E+5 |
5.61E+6 |
0.06723 |
|
5 |
|
|
59.3 |
|
13.6 |
14.6 |
7.0 |
|
|
|
|
|
|
|
|
|
|
|
| 1B |
8 |
66 |
24 |
0.99 |
0.37 |
|
3.77E+5 |
3.11E+6 |
0.12121 |
|
5 |
|
|
32.9 |
|
24.5 |
27.2 |
12.9 |
|
|
|
|
|
|
|
|
|
|
|
| 3B |
10 |
104 |
40 |
0.97 |
0.29 |
|
2.83E+5 |
2.94E+6 |
0.09615 |
|
5 |
|
|
31.1 |
|
19.4 |
18.2 |
9.4 |
|
|
|
|
|
|
|
|
|
|
|
| 4B |
17 |
222 |
40 |
0.88 |
0.29 |
|
4.81E+5 |
6.28E+6 |
0.07658 |
|
5 |
|
|
66.3 |
|
15.5 |
10.2 |
6.1 |
|
|
|
|
|
|
|
|
|
|
|
| Grain ID |
Length |
Angle to C axis |
Dpar |
Tint or Tincle |
Depth |
Width |
Probability of this being a confined length |
Number of times Intersected |
| 1A |
12.83 |
2 |
1.21 |
|
|
|
|
|
| 1A |
14.15 |
3 |
1.21 |
|
|
|
|
|
| 1A |
12.14 |
44 |
1.21 |
|
|
|
|
|
| 2A |
12.09 |
17 |
1.16 |
|
|
|
|
|
| 2A |
14.3 |
14 |
1.16 |
|
|
|
|
|
| 3A |
7.57 |
14 |
0.88 |
|
|
|
|
|
| 3A |
11.36 |
5 |
0.88 |
|
|
|
|
|
| 3A |
10.88 |
67 |
0.88 |
|
|
|
|
|
| 4A |
11.18 |
3 |
1.04 |
|
|
|
|
|
| 4A |
15.15 |
25 |
1.04 |
|
|
|
|
|
| 1C |
11.90 |
90 |
1.02 |
|
|
|
|
|
| 1C |
12.24 |
52 |
1.02 |
|
|
|
|
|
| 1C |
11.86 |
39 |
1.02 |
|
|
|
|
|
| 2C |
12.89 |
58 |
0.92 |
|
|
|
|
|
| 2C |
12.64 |
87 |
0.92 |
|
|
|
|
|
| 2C |
10.57 |
74 |
0.92 |
|
|
|
|
|
| 2C |
13.90 |
76 |
0.92 |
|
|
|
|
|
| 3C |
12.19 |
61 |
1.10 |
|
|
|
|
|
| 3C |
10.78 |
57 |
1.10 |
|
|
|
|
|
| 3C |
8.55 |
85 |
1.10 |
|
|
|
|
|
| 4C |
13.05 |
53 |
1.34 |
|
|
|
|
|
| 4C |
10.85 |
52 |
1.34 |
|
|
|
|
|
| 5C |
11.51 |
15 |
1.13 |
|
|
|
|
|
| 5C |
11.45 |
23 |
1.13 |
|
|
|
|
|
| 5C |
10.85 |
69 |
1.13 |
|
|
|
|
|
| 6C |
7.26 |
31 |
1.16 |
|
|
|
|
|
| 6C |
8.66 |
70 |
1.16 |
|
|
|
|
|
| 6C |
10.83 |
59 |
1.16 |
|
|
|
|
|
| 1B |
10.48 |
29 |
1.09 |
|
|
|
|
|
| 2B |
12.4 |
41 |
1.21 |
|
|
|
|
|
| 2B |
13.48 |
11 |
0.92 |
|
|
|
|
|
| 3B |
13.69 |
80 |
0.92 |
|
|
|
|
|
| 4B |
11.69 |
48 |
1.15 |
|
|
|
|
|
| 4B |
12.88 |
22 |
1.15 |
|
|
|
|
|
| 4B |
13.52 |
67 |
1.27 |
|
|
|
|
|
filename:23229.xml
