This sample belongs to: Gonzalo Ronda
Sample Name: TOR8
IGSN: IEGMR001B
Laboratory: Dalhousie Noble Gas
Analyst: Roman Kislytsin
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: ZIRCON
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 ID: TOR8
Sample Description: 
GeoObject Type: Grab
Geoobject Classification: 
Collection Method: Manual
Material: Rock
Latitude: -47.7919
Longitude: -73.52846
Sample Comment: 
Collector: Gonzalo Ronda
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: Universidad de Buenos Aires
Most Recent Archival Contact: gonzaloronda@gmail.com
| Analysis Purpose | 
Value | 
Error | 
Age Type | 
MSWD | 
Age Error Systematic | 
Included Analyses | 
Comment | 
| Cooling | 
26.96 | 
4.27 | 
average age with standard error | 
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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 Name | 
Mineral | 
Age, Ma | 
err., Ma | 
U (ppm) | 
Th (ppm) | 
147Sm (ppm) | 
Th/U | 
He (nmol/g) | 
Mass (ug) | 
Ft | 
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| zTOR8-1 | 
zircon | 
26.814533233643 | 
0.11989929527044 | 
565.39324951172 | 
294.4533203125 | 
4.2200172424316 | 
0.52079383785851 | 
72.77320098877 | 
9.8085880279541 | 
0.79190462827682 | 
| zTOR8-2 | 
zircon | 
20.520078659058 | 
0.086176671087742 | 
426.326171875 | 
378.5126953125 | 
5.4796627044678 | 
0.8878476628535 | 
44.538917541504 | 
8.1084241867065 | 
0.77982419729233 | 
| zTOR8-3 | 
zircon | 
32.061000823975 | 
0.13417732715607 | 
859.75915527344 | 
788.60361328125 | 
5.1258071899414 | 
0.91723781996883 | 
148.76049804688 | 
17.709386825562 | 
0.82123869657516 | 
| zTOR8-4 | 
zircon | 
26.257574081421 | 
0.1136504560709 | 
782.13110351562 | 
546.09819335938 | 
7.7028938293457 | 
0.69821822825445 | 
99.426551818848 | 
7.4450688362122 | 
0.76992708444595 | 
| zTOR8-5 | 
zircon | 
29.153398513794 | 
0.13174052536488 | 
700.37847900391 | 
324.12722167969 | 
4.8744075775146 | 
0.46278866555219 | 
90.591049194336 | 
4.8975296020508 | 
0.7410107254982 | 
 
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