This sample belongs to: Nicolas Villamizar Escalante
Sample Name: 15SACZ-05
IGSN: IE232000L
Laboratory: Grenoble Alpes
Analyst: Villamizar-Escalante Nicolas
Mineral: Apatite
Dosimeter Glass: IRMM540R
Dosimeter Glass U ppm: 15
Irradiation: 5-2016
Count Date:
Locality: Colombia
Rock Type: Igneous rock
Rock Age: 206
Acquisition system: Olympus BX51
Magnification: 1250x
Radiation Facility: FRM II Munich
Total Thermal Neutron Fluence: 8 ×10^15 n/cm2
Position in Irradiation Canister (#): 8
Area of Graticule Square: 6.39E-07
No. of Crystals Counted: 11
Zeta Factor: 249,55
Zeta Factor Error (1s): 12.52
Rho d: 1.02E+06
Rho d (% Relative Error): 1.13
N d: 4224
Geometry factor (for EDM and Zeta ICPMS methods): 0.5
Etchant: 5.5 molar HNO3
Etching Conditions: 21°C
Method - U:
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-05
Sample Description: quartz monzonite
GeoObject Type: Individual Sample
Geoobject Classification:
Collection Method:
Material: Rock
Latitude: 6.93817
Longitude: -72.96608
Sample Comment:
Collector:
Material Classification:
Primary Location Name:
Primary Location Type:
Location Description:
Locality:
Locality Description:
Country: Colombia
Provice:
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 |
|
|
|
|
|
11 |
98.2 |
|
|
|
5.5 |
6.5 |
6.5 |
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 |
| 1 |
0 |
10 |
|
|
|
|
0,00E+00 |
1,04E+06 |
|
15 |
|
|
|
15 |
9 |
9.1 |
0.3 |
|
|
|
|
|
|
|
|
|
|
|
|
| 2 |
0 |
6 |
|
|
|
|
0,00E+00 |
3,13E+05 |
|
30 |
|
|
|
5 |
4 |
15.5 |
0.5 |
|
|
|
|
|
|
|
|
|
|
|
|
| 3 |
1 |
10 |
|
|
|
|
1,04E+05 |
1,04E+06 |
|
15 |
|
|
|
15 |
9 |
14.3 |
0.3 |
|
|
|
|
|
|
|
|
|
|
|
|
| 4 |
0 |
2 |
|
|
|
|
0,00E+00 |
6,39E+04 |
|
49 |
|
|
|
1 |
1 |
52.4 |
1.6 |
|
|
|
|
|
|
|
|
|
|
|
|
| 5 |
0 |
5 |
|
|
|
|
0,00E+00 |
5,22E+05 |
|
15 |
|
|
|
8 |
7 |
18.9 |
0.6 |
|
|
|
|
|
|
|
|
|
|
|
|
| 6 |
1 |
14 |
|
|
|
|
1,56E+04 |
2,19E+05 |
|
100 |
|
|
|
3 |
2 |
10.3 |
0.2 |
|
|
|
|
|
|
|
|
|
|
|
|
| 7 |
1 |
11 |
|
|
|
|
7,82E+04 |
8,61E+05 |
|
20 |
|
|
|
13 |
7 |
13 |
0.3 |
|
|
|
|
|
|
|
|
|
|
|
|
| 8 |
0 |
9 |
|
|
|
|
0,00E+00 |
2,20E+05 |
|
64 |
|
|
|
3 |
2 |
10.2 |
0.4 |
|
|
|
|
|
|
|
|
|
|
|
|
| 9 |
0 |
1 |
|
|
|
|
0,00E+00 |
7,82E+04 |
|
20 |
|
|
|
1 |
2 |
125.8 |
3.3 |
|
|
|
|
|
|
|
|
|
|
|
|
| 10 |
0 |
2 |
|
|
|
|
0,00E+00 |
2,09E+05 |
|
15 |
|
|
|
3 |
4 |
52.4 |
1.6 |
|
|
|
|
|
|
|
|
|
|
|
|
| 11 |
1 |
23 |
|
|
|
|
1,96E+04 |
4,50E+05 |
|
80 |
|
|
|
7 |
3 |
6.3 |
0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
| Grain ID |
Length |
Angle to C axis |
Dpar |
Tint or Tincle |
Depth |
Width |
Probability of this being a confined length |
Number of times Intersected |
| 1 |
14.03 |
59 |
1.42 |
|
|
|
|
|
| 2 |
12.23 |
79 |
1.08 |
|
|
|
|
|
filename:26460.xml
