This sample belongs to: Trevor Waldien
Sample Name: 07CSR08
IGSN: IE757001C
Laboratory: Univ. of Texas
Analyst: Trevor Waldien
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:
Sample Description:
GeoObject Type:
Geoobject Classification:
Collection Method:
Material:
Latitude:
Longitude:
Sample Comment:
Collector:
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:
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 |
07CSR-08-1 |
apatite |
22.58 |
1.35 |
6.69 |
18.61 |
51.47 |
2.78 |
0.98 |
3.44 |
0.70 |
07CSR-08-2 |
apatite |
21.68 |
1.30 |
5.45 |
14.71 |
41.68 |
2.70 |
0.66 |
1.34 |
0.61 |
07CSR-08-3 |
apatite |
21.93 |
1.32 |
9.32 |
23.61 |
48.47 |
2.53 |
1.02 |
0.96 |
0.56 |
filename:26607.xml