This sample belongs to: ANTONELLA GALETTO
Sample Name: TF_10 (AHe)
IGSN: IEATG1610
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_10
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 |
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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 |
|
|
(Raw) |
(Raw) |
(Ca) |
(Ca) |
(Ca) |
|
(Ca) |
|
|
TF_10_Ap1 |
Apatite |
2.3144570240246 |
0.12614006247387 |
4.6567207084277 |
23.009663764249 |
208.70595464356 |
5.0690254623131 |
0.12932704374 |
2.5238387593981E-6 |
0.7 |
TF_10_Ap2 |
Apatite |
2.5978960921451 |
0.15144482036599 |
4.6273582127181 |
25.163182821535 |
205.76288058603 |
5.5786208328687 |
0.15186437230013 |
1.770874853267E-6 |
0.7 |
TF_10_Ap3 |
Apatite |
6.0178722960651 |
0.29658086327613 |
7.5075332151935 |
31.44811397792 |
258.64730996347 |
4.2972610230391 |
0.49569483788408 |
7.8634168522115E-7 |
0.6 |
TF_10_Ap4 |
Apatite |
1.3035729753395 |
0.096522208568429 |
9.9634595080778 |
46.532537966809 |
291.18116447309 |
4.7911632839184 |
0.15001981195369 |
1.2187300270017E-6 |
0.7 |
TF_10_Ap5 |
Apatite |
4.2595689079947 |
0.30193498996806 |
3.4355228452063 |
17.059455221981 |
199.70499718595 |
5.0940911211325 |
0.17734391424078 |
1.2643391638611E-6 |
0.7 |
filename:22589.xml