This sample belongs to: ANTONELLA GALETTO
Sample Name: TF_09 (AHe)
IGSN: IEATG1609
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 ID: TF_09
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:
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 |
|
|
(Raw) |
(Raw) |
(Ca) |
(Ca) |
(Ca) |
|
(Ca) |
|
|
TF_09_Ap1 |
Apatite |
0.68755442699912 |
0.060340129001215 |
5.5672496931961 |
68.084496953172 |
1109.8052266397 |
12.545902980148 |
0.0854744977899652 |
1.2442622001377E-6 |
0.6 |
TF_09_Ap2 |
Apatite |
1.6859552099012 |
0.34622632944052 |
3.6593639616979 |
16.40542013696 |
98.802051395031 |
4.5991348332685 |
0.069696032067633 |
5.3429813525096E-7 |
0.5 |
TF_09_Ap3 |
Apatite |
0.8303246959337 |
0.23199631313565 |
5.0399872170156 |
15.999388823441 |
216.50829331535 |
3.256629478569 |
0.040702084359007 |
5.7169482453705E-7 |
0.6 |
TF_09_Ap4 |
Apatite |
0.89805566436885 |
0.32460481968846 |
6.6717964343275 |
21.383086930923 |
1119.5590618418 |
3.2879257871625 |
0.063386500068856 |
3.0035924254078E-7 |
0.4 |
TF_09_Ap5 |
Apatite |
2.5778635869596 |
1.0606103435768 |
21.759583796131 |
37.715635043135 |
68.332887105286 |
1.7781370540222 |
0.42763790808201 |
3.1610779112117E-8 |
0.4 |
filename:22588.xml