This sample belongs to: Nicolas Villamizar Escalante

Sample Details
Sample Name: 15SACZ-06
IGSN: IE232000M
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 (#): 9
Area of Graticule Square: 6.39E-07
No. of Crystals Counted: 21
Zeta Factor: 249,55
Zeta Factor Error (1s): 12.52
Rho d: 1.02E+06
Rho d (% Relative Error): 1.10
N d: 4243
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-06
Sample Description: quartz monzonite
GeoObject Type: Individual Sample
Geoobject Classification:
Collection Method:
Material: Rock
Latitude: 6.94644
Longitude: -72.9532
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:

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 21 79.8 9.1 2.8 2.8 0.4

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 6 45 1,88E+05 1,41E+06 50 21 6 17.4 5.9
2 2 42 6,26E+04 1,31E+06 50 19 6 6.5 0.7
3 2 48 7,82E+04 1,88E+06 40 28 8 5.7 0.6
4 2 23 8,69E+04 1,00E+06 36 15 6 11.9 1.3
5 5 54 1,96E+05 2,11E+06 40 31 8 12.2 3.7
6 3 38 9,39E+04 1,19E+06 50 17 6 10.6 2
7 1 6 9,78E+04 5,87E+05 16 9 7 23.7 0.5
8 1 7 1,30E+05 9,13E+05 12 13 10 20.4 0.4
9 1 42 3,26E+04 1,37E+06 48 20 6 3.5 0.1
10 2 54 6,26E+04 1,69E+06 50 25 7 5.1 0.6
11 2 47 5,22E+04 1,23E+06 60 18 5 5.8 0.6
12 1 19 1,12E+05 2,12E+06 14 31 14 7.6 0.2
13 2 16 7,82E+04 6,26E+05 40 9 5 17 1.8
14 2 35 1,74E+05 3,04E+06 18 45 15 7.8 0.8
15 3 38 7,82E+04 9,91E+05 60 15 5 10.6 2
16 5 45 1,56E+05 1,41E+06 50 21 6 14.6 4.4
17 3 39 1,56E+05 2,03E+06 30 30 10 10.3 1.9
18 2 48 6,26E+04 1,50E+06 50 22 6 5.7 0.6
19 1 35 3,13E+04 1,10E+06 50 16 5 4.2 0.1
20 1 15 7,82E+04 1,17E+06 20 17 9 9.6 0.2
21 4 19 1,74E+05 8,26E+05 36 12 5 27.7 6.6

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 14.28 68 1.38
2 12.87 45 1.63
3 15.16 57 1.31
4 14.05 88 1.19
5 15.43 74 1.41
6 14.1 75 1.2
7 15.41 75 1.2
8 14.5 36 1.24
9 14.29 80 1.68
10 12.97 89 1.63
11 15.9 72 1.59
12 15.54 26 1.27
13 15.8 80 1.18
14 11.25 40 1.23
15 12.86 59 1.36
16 13.54 70 1.46
17 15.01 54 1.74
18 14.75 50 1.46
19 14.08 71 1.49
20 15.43 64 1.52
21 15.09 72 1.48
22 15.22 51 1.26
23 15.57 57 1.67
24 16.43 69 1.37
25 15.91 64 1.63
26 16.16 46 1.38
27 16.48 45 1.61
28 15.75 77 1.35
29 14.83 54 1.29
30 14.48 63 1.43
31 14.28 46 1.33
32 15.47 49 1.15
33 14.69 78 1.43
34 14.99 49 1.18
35 14.74 49 1.44
36 13.03 51 1.47
37 14.74 75 1.45
38 15.53 60 1.55
39 13.09 63 1.59
40 15.55 47 1.39
41 14.67 70 1.67
42 13.02 38 1.56
43 15.2 31 1.16
44 13.03 44 1.39
45 13.22 77 1.45
46 12.51 62 1.69
47 13.94 74 1.5
filename:26461.xml
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