This sample belongs to: gaétan milesi
Sample Name: ST10
IGSN: IEMIL0003
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: 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: ST10
Sample Description:
GeoObject Type: Individual Sample
Geoobject Classification:
Collection Method:
Material: Rock
Latitude: 42.4949
Longitude: 2.17104
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 |
|
|
|
|
|
|
|
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 |
ST10a |
apatite |
20.92871604142 |
1.6 |
50.094870349617 |
28.018366674025 |
|
0.55930610217137 |
4.84 |
4.65 |
0.77 |
ST10b |
apatite |
15.299746944194 |
1.2239797555355 |
62.265033213415 |
27.30288942855 |
|
0.43849473804935 |
4.17 |
3.05 |
0.74 |
ST10c |
apatite |
16.962153614679 |
1.3569722891743 |
56.062260173276 |
26.433792804301 |
|
0.47150779727038 |
4.54 |
7.86 |
0.81 |
ST10d |
apatite |
25.226893055111 |
2.0181514444089 |
29.050903131917 |
7.396709405108 |
|
0.25461202949596 |
3.36 |
7.25 |
0.81 |
filename:23216.xml