Sagawe, Anja; Gärtner, Andreas; Zieger-Hofmann, Mandy; Gerdes, Axel; Linnemann, Ulf: LA-MC-ICPMS Lu-Hf isotope data of selected concordant zircon grains, run 2 [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.960960 (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:
Bouvier, Audrey; Vervoort, Jeff D; Patchett, P Jonathan (2008): The Lu–Hf and Sm–Nd isotopic composition of CHUR: Constraints from unequilibrated chondrites and implications for the bulk composition of terrestrial planets. Earth and Planetary Science Letters, 273(1-2), 48-57, https://doi.org/10.1016/j.epsl.2008.06.010
Documentation:
Coverage:
Median Latitude: 50.969886 * Median Longitude: 12.867677 * South-bound Latitude: 50.877694 * West-bound Longitude: 12.690192 * North-bound Latitude: 51.078161 * East-bound Longitude: 13.165111
Date/Time Start: 2008-10-15T08:00:00 * Date/Time End: 2011-11-26T10:00:00
Minimum ELEVATION: 206 m a.s.l. * Maximum ELEVATION: 360 m a.s.l.
Event(s):
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Sample code/label | Sample label | Sagawe, Anja | |||
| 2 | Spot identification | Spot ID | Sagawe, Anja | U-Pb spot | ||
| 3 | Comment | Comment | Sagawe, Anja | |||
| 4 | Spot identification | Spot ID | Sagawe, Anja | Hf spot | ||
| 5 | Ytterbium-176/Hafnium-177 | 176Yb/177Hf | Sagawe, Anja | |||
| 6 | Ytterbium-176/Hafnium-177, standard deviation | 176Ub/177Hf std dev | ± | Sagawe, Anja | calculated, 2 sigma | |
| 7 | Lutetium-176/Hafnium-177 | 176Lu/177Hf | Sagawe, Anja | 176Yb/177Hf = (176Yb/173Yb)true x (173Yb/177Hf)meas x (M173(Yb)/M177(Hf))b(Hf), b(Hf) = ln(179Hf/177Hf true / 179Hf/177Hfmeasured )/ ln (M179(Hf)/M177(Hf) ), M=mass of respective isotope. The 176Lu/177Hf were calculated in a similar way by using the 175Lu/177Hf and b(Yb) | ||
| 8 | Lutetium-176/Hafnium-177, standard deviation | 176Ly/177Hf std dev | ± | Sagawe, Anja | calculated, 2 sigma | |
| 9 | Hafnium-178/Hafnium-177 | 178Hf/177Hf | Sagawe, Anja | |||
| 10 | Hafnium-180/Hafnium-177 | 180Hf/177Hf | Sagawe, Anja | |||
| 11 | Signal | Signal | V | Sagawe, Anja | Mean Hf signal | |
| 12 | Hafnium-176/Hafnium-177 | 176Hf/177Hf | Sagawe, Anja | |||
| 13 | Hafnium-176/Hafnium-177, standard deviation | 176Hf/177Hf std dev | ± | Sagawe, Anja | calculated, 2 sigma | Uncertainties are quadratic additions of the within-run precision and the daily reproducibility of the 40ppb-JMC475 solution. Uncertainties for the JMC475 quoted at 2SD (2 standard deviation) |
| 14 | Hafnium-176/Hafnium-177 | 176Hf/177Hf | Sagawe, Anja | Initial 176Hf/177Hf and eHf calculated using the apparent Pb-Pb age determined by LA-ICP-MS dating (see column f), and the CHUR parameters: 176Lu/177Hf = 0.0336, and 176Hf/177Hf = 0.282785 (Bouvier et al., 2008) | ||
| 15 | ε-Hafnium (T) | ε-Hf(T) | Sagawe, Anja | Initial 176Hf/177Hf and eHf calculated using the apparent Pb-Pb age determined by LA-ICP-MS dating (see column f), and the CHUR parameters: 176Lu/177Hf = 0.0336, and 176Hf/177Hf = 0.282785 (Bouvier et al., 2008) | ||
| 16 | ε-Hafnium, standard deviation | ε-Hf std dev | ± | Sagawe, Anja | calculated, 2 sigma | Uncertainties are quadratic additions of the within-run precision and the daily reproducibility of the 40ppb-JMC475 solution. Uncertainties for the JMC475 quoted at 2SD (2 standard deviation) |
| 17 | Geological age | Age | Ga | Sagawe, Anja | two stage model age in billion years using the measured 176Lu/177Lu of each spot (first stage = age of zircon), a value of 0.0113 for the average continental crust (second stage), and a juvenile crust (NC) 176Lu/177Lu and 176Hf/177Hf of 0.0384 and 0.28314, respectively | |
| 18 | Age | Age | Ma | Sagawe, Anja | apparent Pb-Pb age determined by LA-ICP-MS | |
| 19 | Age, standard deviation | Age std dev | ± | Sagawe, Anja | calculated, 2 sigma | |
| 20 | Geological age | Age | Ga | Sagawe, Anja | two stage model age in billion years using the measured 176Lu/177Lu of each spot (first stage = age of zircon), a value of 0.0270 for the average MORB (second stage), and a juvenile crust (NC) 176Lu/177Lu and 176Hf/177Hf of 0.0384 and 0.28314, respectively | |
| 21 | LATITUDE | Latitude | Sagawe, Anja | Geocode | ||
| 22 | LONGITUDE | Longitude | Sagawe, Anja | Geocode | ||
| 23 | ELEVATION | Elevation | m a.s.l. | Sagawe, Anja | Geocode | |
| 24 | Sample method | Sample method | Sagawe, Anja | |||
| 25 | DATE/TIME | Date/Time | Sagawe, Anja | Geocode – sampling date | ||
| 26 | Rock type | Rock | 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:
2211 data points
Download Data (login required; moratorium until 2025-07-14)
View dataset as HTML (shows only first 2000 rows)