This sample belongs to: Nicolas Villamizar Escalante
Sample Name: 15SACZ-01
IGSN: IE2320001
Laboratory: Grenoble Alpes
Analyst: Villamizar-Escalante Nicolas
Mineral: Zircon
Dosimeter Glass: IRMM 541
Dosimeter Glass U ppm: 50
Irradiation: 1-2016
Count Date:
Locality: Colombia
Rock Type: Plutonic rock
Rock Age: 205
Acquisition system: Olympus BH-2 microscope
Magnification: 1250x
Radiation Facility: FRM II Munich
Total Thermal Neutron Fluence: 0.5 ×10^15 n/cm2
Position in Irradiation Canister (#): 7
Area of Graticule Square: 8.30E-07
No. of Crystals Counted: 16
Zeta Factor: 139.15
Zeta Factor Error (1s): 4.29
Rho d: 2.32E+05
Rho d (% Relative Error): 1.44
N d: 3858
Geometry factor (for EDM and Zeta ICPMS methods): 0.5
Etchant: NaOH-KOH
Etching Conditions: 228°C
Method - U: EDM
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:
Chemistry Laboratory:
Chemistry Comment:
238U Decay Constant: 1.55125E-10
238U Decay Constant Error:
235U Decay Constant: 9.84850E-10
235U Decay Constant Error:
232Th Decay Constant : 4.94750E-11
232Th Decay Constant Error:
Spontaneous Fission Decay Constant: 8.46E-17
Spontaneous Fission Decay Constant Error:
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: 15SACZ-01
Sample Description: quartz monzonite
GeoObject Type: Individual Sample
Geoobject Classification: Felsic
Collection Method: External detector
Material: Rock
Latitude: 6.917835
Longitude: -73.00098
Sample Comment:
Collector:
Material Classification: Felsic
Primary Location Name:
Primary Location Type:
Location Description:
Locality:
Locality Description:
Country: Colombia
Provice: SANTANDER
County:
City Or Township:
Platform:
Platform ID:
Original Archival Institution:
Original Archival Contact:
Most Recent Archival Institution:
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 |
|
|
|
|
16 |
0 |
|
|
|
26.4 |
7.4 |
7.4 |
49 |
|
|
|
|
|
|
|
| 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 |
| 1 |
55 |
56 |
|
|
|
|
1.38E+6 |
1.41E+6 |
9.79E-1 |
48 |
|
|
|
303.00 |
81.00 |
15.90 |
10.70 |
|
|
|
|
|
|
|
|
|
|
|
|
| 2 |
77 |
47 |
|
|
|
|
3.09E+6 |
1.89E+6 |
1.63E+0 |
30 |
|
|
|
406.00 |
118.00 |
26.40 |
18.10 |
|
|
|
|
|
|
|
|
|
|
|
|
| 3 |
34 |
23 |
|
|
|
|
4.55E+6 |
3.08E+6 |
1.48E+0 |
9 |
|
|
|
663.00 |
274.00 |
23.80 |
13.60 |
|
|
|
|
|
|
|
|
|
|
|
|
| 4 |
25 |
36 |
|
|
|
|
2.51E+6 |
3.61E+6 |
6.95E-1 |
12 |
|
|
|
778.00 |
259.00 |
11.20 |
6.50 |
|
|
|
|
|
|
|
|
|
|
|
|
| 5 |
15 |
16 |
|
|
|
|
3.01E+6 |
3.21E+6 |
9.38E-1 |
6 |
|
|
|
692.00 |
341.00 |
15.10 |
7.00 |
|
|
|
|
|
|
|
|
|
|
|
|
| 6 |
19 |
13 |
|
|
|
|
2.29E+6 |
1.57E+6 |
1.46E+0 |
10 |
|
|
|
337.00 |
184.00 |
23.50 |
11.10 |
|
|
|
|
|
|
|
|
|
|
|
|
| 7 |
25 |
23 |
|
|
|
|
5.02E+6 |
4.62E+6 |
1.09E+0 |
6 |
|
|
|
994.00 |
411.00 |
17.50 |
9.60 |
|
|
|
|
|
|
|
|
|
|
|
|
| 8 |
60 |
24 |
|
|
|
|
7.23E+6 |
2.89E+6 |
2.50E+0 |
10 |
|
|
|
622.00 |
252.00 |
40.10 |
24.70 |
|
|
|
|
|
|
|
|
|
|
|
|
| 9 |
121 |
75 |
|
|
|
|
5.83E+6 |
3.61E+6 |
1.61E+0 |
25 |
|
|
|
778.00 |
180.00 |
26.00 |
19.30 |
|
|
|
|
|
|
|
|
|
|
|
|
| 10 |
24 |
11 |
|
|
|
|
5.78E+6 |
2.65E+6 |
2.18E+0 |
5 |
|
|
|
571.00 |
337.00 |
34.90 |
16.60 |
|
|
|
|
|
|
|
|
|
|
|
|
| 11 |
32 |
52 |
|
|
|
|
2.57E+6 |
4.18E+6 |
6.15E-1 |
15 |
|
|
|
899.00 |
249.00 |
10.00 |
6.20 |
|
|
|
|
|
|
|
|
|
|
|
|
| 12 |
24 |
7 |
|
|
|
|
4.82E+6 |
1.41E+6 |
3.42E+0 |
6 |
|
|
|
303.00 |
221.00 |
54.30 |
23.10 |
|
|
|
|
|
|
|
|
|
|
|
|
| 13 |
90 |
40 |
|
|
|
|
3.61E+6 |
1.61E+6 |
2.24E+0 |
30 |
|
|
|
346.00 |
109.00 |
36.20 |
24.70 |
|
|
|
|
|
|
|
|
|
|
|
|
| 14 |
53 |
16 |
|
|
|
|
7.98E+6 |
2.41E+6 |
3.31E+0 |
8 |
|
|
|
519.00 |
256.00 |
52.90 |
30.00 |
|
|
|
|
|
|
|
|
|
|
|
|
| 15 |
62 |
13.00 |
|
|
|
|
7.47E+6 |
1.57E+6 |
4.76E+0 |
10.00 |
|
|
|
337.00 |
184.00 |
75.90 |
41.80 |
|
|
|
|
|
|
|
|
|
|
|
|
| 16 |
71 |
25.00 |
|
|
|
|
1.07E+7 |
3.77E+6 |
2.84E+0 |
8.00 |
|
|
|
810.00 |
322.00 |
45.60 |
28.60 |
|
|
|
|
|
|
|
|
|
|
|
|
| Grain ID |
Length |
Angle to C axis |
Dpar |
Tint or Tincle |
Depth |
Width |
Probability of this being a confined length |
Number of times Intersected |
filename:26471.xml
