This sample belongs to: Sebastian Zapata

Sample Details
Sample Name: C6
IGSN: IESZH000T
Laboratory: University of Potsdam
Analyst: Edward Sobel
Instrumental Method - He: alphachron
Instrumental Method Reference - He:
Instrumental Method - U-Th-Sm: ICP-MS
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: C2
Sample Description:
GeoObject Type: Other
Geoobject Classification:
Collection Method:
Material: Rock
Latitude: -27.05777
Longitude: -66.63055
Sample Comment:
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Material Classification:
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Locality Description:
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Age(s)
Analysis Purpose Value Error Age Type MSWD Age Error Systematic Included Analyses Comment
SingleAge

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
C6_A Apatite 100.85936254757 3.1863696787389 43.164635947958 5.5111964774377 35.982367910855 0.13191852833679 16.40660308914 2.3268774862799 0.6704529025855
C6_B Apatite 83.291062173404 12.334735536211 62.041142986369 6.4417369284467 36.87104092905 0.10727812655006 17.064575550628 1.0601241360747 0.59283510197938
C6_C Apatite 73.778469766357 3.8829455174026 72.365666302916 5.1651849774901 25.211341182692 0.073746480719295 20.804292238208 2.7759893388865 0.70601282413195
C6_D Apatite 51.153493293798 3.1253340051694 52.906881297848 7.5107165329424 27.398805198835 0.14667537098489 9.5958941456713 1.555810872336 0.63235294117647
filename:19409.xml
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