This sample belongs to: ANTONELLA GALETTO

Sample Details
Sample Name: TF_17 (AHe)
IGSN: IEATG1617
Laboratory: Arizona Radiogenic Helium Dating Laboratory (ARHDL). University of Arizona
Analyst: Prof. Peter Reiners
Instrumental Method - He:
Instrumental Method Reference - He:
Instrumental Method - U-Th-Sm:
Instrumental Method Reference - U-Th-Sm:
Alpha Ejection Correction Method:
Alpha Ejection Correction Method Reference:
Mineral: APATITE
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:
230Th Decay Constant:
230Th Decay Constant Error:
238U/235U: 137.88
Decay Constant Reference: 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.
147Sm Decay Constant: 6.54E-12
147Sm Decay Constant Error:
147Sm Decay Constant Reference: Lugmair, G.W., and Marti, K., 1978, Lunar initial 143Nd/144Nd: differential evolution of the lunar crust and mantle: Earth and Planetary Science Letter, v. 39, p. 349-357.
Decay Constant Comment:

Sample Metadata
Sample ID: TF_17
Sample Description: Sandstone
GeoObject Type: Individual Sample
Geoobject Classification:
Collection Method:
Material: Rock
Latitude:
Longitude:
Sample Comment:
Collector:
Material Classification:
Primary Location Name:
Primary Location Type:
Location Description:
Locality:
Locality Description:
Country: Argentina
Provice: Neuquén
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 Value Error Age Type MSWD Age Error Systematic Included Analyses Comment
Cooling

Data Reduction Parameters
Spike Type U-Th-Sm:
Spike Type He:
Standard Mineral:
Standard Mineral Reference:
Standard True Age:
Standard True Age Error:
Standard Measured Age:
Standard Measured Age Error:
Data Reduction Comment:

Fraction(s)
Fraction Name Mineral Age, Ma err., Ma U (ppm) Th (ppm) 147Sm (ppm) Th/U He (nmol/g) Mass (ug) Ft
(Raw) (Raw) (Ca) (Ca) (Ca) (Ca)
TF_17_Ap1 Apatite 22.7 0.3 73.601073757463 89.763139283265 322.15434114303 1.2511468137084 11.658112840533 6.7870111274532E-7 0.6
TF_17_Ap2 Apatite 11.8 1.2 6.336801868766 25.639430909428 270.79088787854 4.1508079969977 0.81221586117912 7.265487875479E-7 0.6
TF_17_Ap3 Apatite 29.6 0.5 39.219779427174 5.2381463962118 128.57794598404 0.13701460936465 6.500055063386 1.8536880709149E-6 0.7
TF_17_Ap4 Apatite 6.2 0.5 3.2830808677658 15.142384383167 72.373711027456 4.7315897014902 0.23205178954499 6.5569238463311E-7 0.6
TF_17_Ap5 Apatite 22.3 0.6 18.340245269535 7.7356083109315 296.76424984028 0.43269684020639 2.4680448576732 5.6913637136148E-7 0.6
filename:22592.xml
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