This sample belongs to: Nicolas Villamizar Escalante

Sample Details
Sample Name: 15SACZ-09A
IGSN: IE232000P
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 (#): 12
Area of Graticule Square: 6.39E-07
No. of Crystals Counted: 19
Zeta Factor: 249,55
Zeta Factor Error (1s): 12.52
Rho d: 1.04E+06
Rho d (% Relative Error): 1.09
N d: 4299
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-09A
Sample Description: quartz monzonite
GeoObject Type: Individual Sample
Geoobject Classification: Felsic
Collection Method:
Material: Rock
Latitude: 6.915003
Longitude: -72.871904
Sample Comment:
Collector:
Material Classification: Felsic
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:

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 40.2 5 2.6 2.6 19.5

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 0 4 0,00E+00 3,13E+05 20 5 4 24.4 0.8
2 2 30 5,22E+04 7,82E+05 60 11 4 9.2 1
3 0 7 0,00E+00 4,38E+05 25 6 5 13.5 0.5
4 0 27 0,00E+00 8,45E+05 50 12 5 3.4 0.1
5 0 76 0,00E+00 1,19E+06 100 17 4 1.2 0
6 2 36 3,13E+04 5,63E+05 100 8 3 7.7 0.8
7 2 72 3,13E+04 1,13E+06 100 16 4 3.9 0.4
8 0 5 0,00E+00 4,89E+05 16 7 6 19.2 0.7
9 1 6 7,82E+04 4,69E+05 20 7 5 24 0.5
10 1 16 3,13E+04 5,01E+05 50 7 4 9.2 0.2
11 0 13 0,00E+00 7,27E+05 28 11 6 7.1 0.3
12 2 20 1,30E+05 1,30E+06 24 19 8 13.8 1.5
13 1 17 6,26E+04 1,06E+06 25 15 7 8.6 0.2
14 1 28 3,13E+04 8,76E+05 50 13 5 5.3 0.1
15 1 6 9,78E+04 5,87E+05 16 8 7 24 0.5
16 0 20 0,00E+00 6,26E+05 50 9 4 4.6 0.2
17 1 20 5,22E+04 1,04E+06 30 15 7 7.4 0.2
18 2 11 1,30E+05 7,17E+05 24 10 6 24.9 2.5
19 0 5 0,00E+00 4,89E+05 16 7 6 19.2 0.7

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 14.08 32 1.36
2 13.71 46 1.13
filename:26464.xml
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