Determinations of Zr isotopic composition and U–Pb ages for terrestrial and extraterrestrial Zr-bearing minerals using laser ablation-inductively coupled plasma mass spectrometry: implications for Nb–Zr isotopic systematics

2001 ◽  
Vol 176 (1-4) ◽  
pp. 323-342 ◽  
Author(s):  
Takafumi Hirata
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