This sample belongs to: ANTONELLA GALETTO
Sample Name: TF_12 (ZHe)
IGSN: IEATG1612
Laboratory: Laboratory of thermochronology of the Institut fur Geowissenschaften, Universitat Potsdam (Germany) and GFZ German Research Centre for Geosciences.
Analyst: Prof. Edward Sobel and Dr. Johannes Glodny
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: Hourigan et al. (2005)
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: TF_12
Sample Description: Igneous
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:
| 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 Name |
Mineral |
Age, Ma |
err., Ma |
U (ppm) |
Th (ppm) |
147Sm (ppm) |
Th/U |
He (nmol/g) |
Mass (ug) |
Ft |
| TF_12_Zr1 |
zircon |
53.9 |
|
365.2 |
140.5 |
0.4 |
0.4 |
116.2 |
12.63008155205 |
0.82 |
| TF_12_Zr2 |
zircon |
55 |
|
450.1 |
181.8 |
0.2 |
0.4 |
146.8 |
6.1674851385 |
0.79 |
| TF_12_Zr3 |
zircon |
63 |
|
261.4 |
137.2 |
0.5 |
0.5 |
100.4 |
8.087018484 |
0.80 |
filename:22613.xml