This sample belongs to: Nicolas Villamizar Escalante

Sample Details
Sample Name: 15SACZ-08
IGSN: IE232000O
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 (#): 11
Area of Graticule Square: 6.39E-07
No. of Crystals Counted: 19
Zeta Factor: 249,55
Zeta Factor Error (1s): 12.52
Rho d: 1.03E+06
Rho d (% Relative Error): 1.08
N d: 4281
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 Metadata
Sample ID: 15SACZ-08
Sample Description: quartz monzonite
GeoObject Type: Individual Sample
Geoobject Classification: Felsic
Collection Method:
Material: Rock
Latitude: 6.90638
Longitude: -72.886961
Sample Comment:
Collector:
Material Classification: Felsic
Primary Location Name:
Primary Location Type:
Location Description:
Locality:
Locality Description:
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Platform ID:
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Age(s)
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 19 2 10.6 6.5 6.5 80.8

Apatite Age
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 4 24 1,56E+05 9,39E+05 40 14 6 22.2 5.4
2 3 8 1,12E+05 2,98E+05 42 4 3 49.7 8.3
3 5 15 1,96E+05 5,87E+05 40 9 4 43.7 12.2
4 1 9 3,91E+04 3,52E+05 40 5 3 16.1 0.3
5 0 6 0,00E+00 3,76E+05 25 5 4 15.8 0.5
6 1 12 6,26E+04 7,51E+05 25 11 6 12.1 0.3
7 1 8 6,26E+04 5,01E+05 25 7 5 18.1 0.4
8 0 18 0,00E+00 1,13E+06 25 16 8 5.1 0.2
9 0 11 0,00E+00 1,08E+06 16 16 9 8.4 0.3
10 0 5 0,00E+00 4,89E+05 16 7 6 19.1 0.7
11 3 13 1,56E+05 6,78E+05 30 10 5 30.9 5.4
12 0 40 0,00E+00 1,96E+06 32 28 9 2.3 0.1
13 1 18 3,91E+04 7,04E+05 40 10 5 8.1 0.2
14 1 9 7,45E+04 6,71E+05 21 10 6 16.1 0.3
15 0 6 0,00E+00 3,76E+05 25 5 4 15.8 0.5
16 0 17 0,00E+00 8,87E+05 30 13 6 5.4 0.2
17 0 23 0,00E+00 9,00E+05 40 13 5 3.9 0.1
18 1 10 6,26E+04 6,26E+05 25 9 6 14.5 0.3
19 1 30 3,91E+04 1,17E+06 40 17 6 4.9 0.1

Grain Lengths
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 16.32 53 1.61
2 13.14 73 1.22
3 14.8 49 1.31
4 15.31 70 1.41
5 15.08 61 1.56
6 14 70 1.43
7 13.99 75 1.3
8 15.47 46 1.49
9 15.44 82 1.33
10 15.3 87 1.47
11 14.71 59 1.49
12 15.45 77 1.67
13 16.18 33 1.34
filename:26463.xml
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