This sample belongs to: Gonzalo Ronda

Sample Details
Sample Name: TOR8
IGSN: IEGMR001B
Laboratory: Dalhousie Noble Gas
Analyst: Roman Kislytsin
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 Metadata
Sample ID: TOR8
Sample Description:
GeoObject Type: Grab
Geoobject Classification:
Collection Method: Manual
Material: Rock
Latitude: -47.7919
Longitude: -73.52846
Sample Comment:
Collector: Gonzalo Ronda
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: Universidad de Buenos Aires
Most Recent Archival Contact: gonzaloronda@gmail.com

Age(s)
Analysis Purpose Value Error Age Type MSWD Age Error Systematic Included Analyses Comment
Cooling 26.96 4.27 average age with standard error

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
zTOR8-1 zircon 26.814533233643 0.11989929527044 565.39324951172 294.4533203125 4.2200172424316 0.52079383785851 72.77320098877 9.8085880279541 0.79190462827682
zTOR8-2 zircon 20.520078659058 0.086176671087742 426.326171875 378.5126953125 5.4796627044678 0.8878476628535 44.538917541504 8.1084241867065 0.77982419729233
zTOR8-3 zircon 32.061000823975 0.13417732715607 859.75915527344 788.60361328125 5.1258071899414 0.91723781996883 148.76049804688 17.709386825562 0.82123869657516
zTOR8-4 zircon 26.257574081421 0.1136504560709 782.13110351562 546.09819335938 7.7028938293457 0.69821822825445 99.426551818848 7.4450688362122 0.76992708444595
zTOR8-5 zircon 29.153398513794 0.13174052536488 700.37847900391 324.12722167969 4.8744075775146 0.46278866555219 90.591049194336 4.8975296020508 0.7410107254982
filename:26069.xml
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