This sample belongs to: Gonzalo Ronda

Sample Details
Sample Name: TOR3
IGSN: IEGMR0016
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: TOR3
Sample Description:
GeoObject Type: Grab
Geoobject Classification:
Collection Method: Manual
Material: Rock
Latitude: -47.80043
Longitude: -73.3917
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 18.17 4.41 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
zTOR3-1 zircon 13.511747360229 0.056351311504841 623.38110351562 583.66025390625 24.591787719727 0.93628159502211 44.781444549561 13.559133529663 0.80688285827637
zTOR3-2 zircon 21.90998840332 0.093087717890739 1125.6802978516 922.2296875 33.430667114258 0.81926430555828 120.19313049316 6.1698341369629 0.75649619102478
zTOR3-3 zircon 14.139024734497 0.060228772461414 545.8603515625 436.54458007813 17.396487426758 0.79973674370842 40.887790679932 18.747627258301 0.82591444253922
zTOR3-4 zircon 22.047473907471 0.09239174425602 586.77331542969 528.54301757813 13.986515808105 0.90076185075165 69.100318908691 15.415856361389 0.81588298082352
zTOR3-5 zircon 19.22878074646 0.082964979112148 692.16076660156 498.77026367188 10.5973487854 0.72059886624431 66.389953613281 10.112078666687 0.78998446464539
filename:26065.xml
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