This sample belongs to: Natalia Sánchez

Sample Details
Sample Name: sample AFT 3
IGSN: 10.58052/IEATB0003
Laboratory: LATE ANDES
Analyst: Natalia Sánchez
Mineral: apatite
Dosimeter Glass: cn5
Dosimeter Glass U ppm:
Irradiation:
Count Date:
Locality: Argentine
Rock Type: sedimentary
Rock Age:
Acquisition system:
Magnification:
Radiation Facility:
Total Thermal Neutron Fluence:
Position in Irradiation Canister (#):
Area of Graticule Square:
No. of Crystals Counted:
Zeta Factor: 349,06
Zeta Factor Error (1s): 25,9
Rho d:
Rho d (% Relative Error):
N d:
Geometry factor (for EDM and Zeta ICPMS methods):
Etchant:
Etching Conditions:
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: 3
Sample Description: sedimentary rock
GeoObject Type: Individual Sample
Geoobject Classification:
Collection Method:
Material: Rock
Latitude: -37.3792
Longitude: -69.9303
Sample Comment:
Collector:
Material Classification:
Primary Location Name:
Primary Location Type:
Location Description:
Locality:
Locality Description:
Country:
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

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 15 268 7.33E-5 1.9249591643042
2 11 34 4.20E-5 5.227936139698
3 14 68 4.74E-5 5.9035720482795
4 4 21 1.67E-5 5.4006691868619
5 4 56 3.57E-5 2.69579472853
6 10 28 7.18E-5 5.5945625103314
7 4 59 3.50E-5 2.4020337221873
8 5 25 5.21E-5 5.174104547045
9 7 67 4.10E-5 1.7252461498967
10 6 98 7.33E-5 2.2793705932587
11 5 31 4.40E-5 2.7649558894912
12 3 17 3.64E-5 5.3770591324673
13 5 50 2.97E-5 1.313406993364
14 6 42 5.47E-5 2.5479069533388
15 5 43 2.86E-5 5.2580383726544
16 6 39 3.65E-5 3.6873399641224
17 25 248 3.60E-5 2.8812766354998
18 11 71 3.04E-5 2.5037470420513
19 5 41 5.10E-5 2.3444445303045
20 10 148 3.75E-5 4.8615041986264
21 2 43 2.58E-5 2.3994485258174
22 11 84 2.24E-5 1.6257676629477
23 2 29 1.88E-5 2.6609203046386
24 11 57 2.83E-5 2.5310318901103
25 8 68 1.73E-5 2.7985222492479
26 10 95 3.53E-5 2.822289660655
27 19 166 3.49E-5 2.2219819444108
28 6 107 2.97E-5 2.5839180691438
29 5 24 7.84E-5 2.8095745619623
30 7 82 4.30E-5 2.6394384000804
31 7 80 2.90E-5 2.061484745738
32 7 89 5.34E-5 3.1005284081704

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
filename:27162.xml
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