This sample belongs to: Natalia Sánchez
Sample Name: sample AFT 2
IGSN: 10.58052/IEATB0002
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 ID: 2
Sample Description: sedimentary rock
GeoObject Type: Individual Sample
Geoobject Classification:
Collection Method:
Material: Rock
Latitude: -37.434186
Longitude: -70.286027
Sample Comment:
Collector:
Material Classification:
Primary Location Name:
Primary Location Type:
Location Description:
Locality:
Locality Description:
Country: Argentina
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 |
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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 |
10 |
8.93E-6 |
5.476030051704 |
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2 |
4 |
11 |
2.10E-5 |
9.3036084418807 |
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3 |
2 |
9 |
1.25E-5 |
5.7903554555421 |
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4 |
2 |
7 |
3.14E-5 |
6.9020644784674 |
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5 |
5 |
31 |
3.73E-5 |
4.6953669549309 |
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6 |
3 |
11 |
1.31E-5 |
6.7819988794666 |
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7 |
3 |
8 |
7.53E-6 |
4.7427278976485 |
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8 |
6 |
86 |
5.03E-5 |
3.0242451477327 |
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9 |
2 |
4 |
1.53E-5 |
6.7338351653005 |
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10 |
2 |
44 |
1.20E-5 |
3.4354491965176 |
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11 |
1 |
20 |
2.53E-5 |
6.478122920701 |
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12 |
1 |
7 |
8.99E-6 |
6.3434583345368 |
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13 |
2 |
13 |
1.22E-5 |
2.4304804352846 |
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14 |
1 |
26 |
2.50E-5 |
4.7218700200419 |
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15 |
3 |
12 |
1.32E-5 |
5.2466200547618 |
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16 |
2 |
7 |
1.24E-5 |
5.5393089051197 |
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17 |
1 |
9 |
8.28E-6 |
3.6902206855208 |
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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:27161.xml