This sample belongs to: gaétan milesi
Sample Name: GAL3
IGSN: IEMIL000I
Laboratory: Géosciences Montpellier
Analyst: Gaétan Milesi
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: GAL3
Sample Description:
GeoObject Type: Individual Sample
Geoobject Classification:
Collection Method:
Material: Rock
Latitude: 42.51018
Longitude: 2.19904
Sample Comment:
Collector: Gaétan Milesi
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: University of Montpellier
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 |
GAL3a |
zircon |
31.621910216196 |
2.5297528172956 |
1678.1310760044 |
328.74180041813 |
|
0.19589757029043 |
219.1 |
7.85 |
0.74 |
GAL3b |
zircon |
28.626396190348 |
2.2901116952278 |
685.06742570189 |
436.90816099185 |
|
0.63775935710885 |
93.4 |
9.14 |
0.78 |
GAL3c |
zircon |
27.509437401716 |
2.2007549921373 |
685.64075830437 |
477.56991304958 |
|
0.69653081043583 |
94.4 |
10.69 |
0.81 |
GAL3d |
zircon |
29.354088512674 |
2.3483270810139 |
881.87240406634 |
207.10575704714 |
|
0.23484775812483 |
113.7 |
11.05 |
0.78 |
filename:23220.xml