This sample belongs to: gaétan milesi

Sample Details
Sample Name: ST7
IGSN: IEMIL0005
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 Metadata
Sample ID: ST7
Sample Description:
GeoObject Type: Individual Sample
Geoobject Classification:
Collection Method:
Material: Rock
Latitude: 42.48421
Longitude: 2.17433
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:

Age(s)
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(s)
Fraction Name Mineral Age, Ma err., Ma U (ppm) Th (ppm) 147Sm (ppm) Th/U He (nmol/g) Mass (ug) Ft
ST7a apatite 16.060364891313 1.284829191305 11.307943073035 3.1536760390031 0.27889033563703 0.81 10.42 0.79
ST7b apatite 18.691627719865 1.4953302175892 16.077808309066 4.6003718501167 0.28613177627716 1.37 12.3 0.80
ST7c apatite 15.828808219682 1.2663046575746 24.10364206296 5.8710558680836 0.24357546684224 1.76 15.2 0.82
ST7d apatite 17.933343060522 1.4346674448418 14.180327203372 3.7360308073465 0.26346576872063 1.15 12.15 0.80
filename:23214.xml
NSF logo Funded by the US National Science Foundation (NSF)