This sample belongs to: Gonzalo Ronda

Sample Details
Sample Name: TOR7
IGSN: IEGMR001A
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: TOR7
Sample Description:
GeoObject Type: Grab
Geoobject Classification:
Collection Method: Manual
Material: Rock
Latitude: -47.82232
Longitude: -73.58621
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 17.50 3.24 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
zTOR7-1 zircon 14.786382675171 0.056295696645975 518.48675537109 912.60556640625 5.7975273132324 1.7601328422615 48.087799072266 16.876125335693 0.82072597742081
zTOR7-2 zircon 15.619839668274 0.060852322727442 217.23492431641 323.95603027344 9.2245811462402 1.491270481912 20.204063415527 14.88347530365 0.81563204526901
zTOR7-3 zircon 15.668009757996 0.062254324555397 577.77807617188 757.62563476563 20.061254882813 1.3112744598849 50.764049530029 9.9069452285767 0.79322457313538
zTOR7-4 zircon 18.852188110352 0.070336163043976 319.57794189453 645.31030273438 16.076864624023 2.0192579591346 37.889099121094 9.795524597168 0.78834474086761
zTOR7-5 zircon 22.592525482178 0.092103838920593 152.52972412109 167.33067626953 2.6646595001221 1.0970365103177 19.135084152222 13.815487861633 0.81684619188309
filename:26070.xml
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