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Nd isotopic ages of crust formation and metamorphism in the Precambrian of eastern and southern Mexico

✍ Scribed by P. Jonathan Patchett; Joaquin Ruiz


Publisher
Springer
Year
1987
Tongue
English
Weight
599 KB
Volume
96
Category
Article
ISSN
0010-7999

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πŸ“œ SIMILAR VOLUMES


Age and provenance of early Precambrian
✍ D. Bridgwater; D. J. Scott; V. V. Balagansky; M. J. Timmerman; M. Marker; S πŸ“‚ Article πŸ“… 2001 πŸ› John Wiley and Sons 🌐 English βš– 233 KB

^207^Pb/^206^Pb ages are presented for detrital zircons (Laser Ablation Microprobe ICP‐MS) and whole‐rock Nd isotopic determinations (TIMS) from samples of Neoarchean and Palaeoproterozoic metasedimentary rocks from the Umba granulite terrane and the Keivy domain of the Central Kola composite terran

Sr–Nd isotopes and geochemistry of grani
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Neoproterozoic gneisses at Meatiq and Hafafit in the Eastern Desert of Egypt give Rb-Sr and U-Pb zircon ages of 600-750 Ma. These gneisses are interpreted by different workers to represent deeper levels of juvenile Neoproterozoic crust or Archaean/Palaeoproterozoic crust that was remobilized during