Sagawe, Anja; Gärtner, Andreas; Zieger-Hofmann, Mandy; Gerdes, Axel; Linnemann, Ulf: U-Th-Pb isotope and age determinations on sample Strieg4 [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.960947 (dataset in review), In: Sagawe, A et al.: U-Th-Pb and Hf isotopic data on zircon and apatite of non-granulite rocks from the Saxonian Granuilite Massif [dataset publication series]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.960927 (dataset in review)
References:
Stacey, John S; Kramers, Jan Dirk (1975): Approximation of terrestrial lead isotope evolution by a two-stage model. Earth and Planetary Science Letters, 26(2), 207-221, https://doi.org/10.1016/0012-821X(75)90088-6
Documentation:
Coverage:
Latitude: 51.031000 * Longitude: 13.164722
Date/Time Start: 2011-11-26T09:00:00 * Date/Time End: 2011-11-26T09:00:00
Minimum Elevation: 235.0 m * Maximum Elevation: 235.0 m
Event(s):
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Sample number | Sample no | Sagawe, Anja | |||
| 2 | Grain ID | Grain ID | Sagawe, Anja | |||
| 3 | Lead-207 | 207Pb | cps | Sagawe, Anja | within-run background-corrected mean 207Pb signal in counts per second | |
| 4 | Uranium | U | mg/kg | Sagawe, Anja | U and Pb content and Th/U ratio were calculated relative to GJ-1 and are accurate to approximately 10% | |
| 5 | Lead | Pb | mg/kg | Sagawe, Anja | U and Pb content and Th/U ratio were calculated relative to GJ-1 and are accurate to approximately 10% | |
| 6 | Thorium/Uranium ratio | Th/U | Sagawe, Anja | U and Pb content and Th/U ratio were calculated relative to GJ-1 and are accurate to approximately 10% | ||
| 7 | Lead-206/Lead-204 ratio | 206Pb/204Pb | Sagawe, Anja | |||
| 8 | Lead-206/Uranium-238 ratio | 206Pb/238U | Sagawe, Anja | corrected for background, mass bias, laser induced U-Pb fractionation and common Pb (if detectable, see analytical method) using Stacey & Kramers (1975) model Pb composition. 207Pb/235U calculated using 207Pb/206Pb/(238U/206Pb _ 1/137.88). Errors are propagated by quadratic addition of within-run errors (2SE) and the reproducibility of GJ-1 (2SD) | ||
| 9 | Lead-206/Uranium-238 ratio, standard deviation | 206Pb/238U std dev | ± | Sagawe, Anja | Calculated, 2 sigma | |
| 10 | Lead-207/Uranium-235 ratio | 207Pb/235U | Sagawe, Anja | corrected for background, mass bias, laser induced U-Pb fractionation and common Pb (if detectable, see analytical method) using Stacey & Kramers (1975) model Pb composition. 207Pb/235U calculated using 207Pb/206Pb/(238U/206Pb _ 1/137.88). Errors are propagated by quadratic addition of within-run errors (2SE) and the reproducibility of GJ-1 (2SD) | ||
| 11 | Lead-207/Uranium-235 ratio, standard deviation | 207Pb/235U std dev | ± | Sagawe, Anja | Calculated, 2 sigma | |
| 12 | Lead-207/Lead-206 ratio | 207Pb/206Pb | Sagawe, Anja | corrected for background, mass bias, laser induced U-Pb fractionation and common Pb (if detectable, see analytical method) using Stacey & Kramers (1975) model Pb composition. 207Pb/235U calculated using 207Pb/206Pb/(238U/206Pb _ 1/137.88). Errors are propagated by quadratic addition of within-run errors (2SE) and the reproducibility of GJ-1 (2SD) | ||
| 13 | Lead-207/Lead-206 ratio, standard deviation | 207Pb/206Pb std dev | ± | Sagawe, Anja | Calculated, 2 sigma | |
| 14 | Correlation coefficient, isotope ratio error | Rho | Sagawe, Anja | Rho is the error correlation defined as err206Pb/238U/err207Pb/235U | ||
| 15 | Age | Age | Ma | Sagawe, Anja | 206Pb/238U | |
| 16 | Age, standard deviation | Age std dev | ± | Sagawe, Anja | Calculated, 2 sigma | 206Pb/238U |
| 17 | Age | Age | Ma | Sagawe, Anja | 207Pb/235U | |
| 18 | Age, standard deviation | Age std dev | ± | Sagawe, Anja | Calculated, 2 sigma | 207Pb/235U |
| 19 | Age | Age | Ma | Sagawe, Anja | 207Pb/206Pb | |
| 20 | Age, standard deviation | Age std dev | ± | Sagawe, Anja | Calculated, 2 sigma | 207Pb/206Pb |
| 21 | Concordance | Conc | % | Sagawe, Anja |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
1835 data points