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Mantle metasomatism by ephemeral carbonatite melts

✍ Scribed by Lev, O.; Sheintuch, M.; Pisemen, L. M.; Yarnitzkyt, Ch.


Book ID
109757204
Publisher
Nature Publishing Group
Year
1988
Tongue
English
Weight
502 KB
Volume
336
Category
Article
ISSN
0028-0836

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High U/Th partitioning by clinopyroxene
✍ S. F. Foley; C. M. Petibon; G. A. Jenner; B. A. Kjarsgaard πŸ“‚ Article πŸ“… 2001 πŸ› John Wiley and Sons 🌐 English βš– 202 KB

Clinopyroxene/melt pairs in strongly potassic silicate and carbonatite melts exhibit unusually high U/Th partitioning ratios of Λœβ€ƒ3 and Λœβ€ƒ2, respectively. These values are much higher than those found for aluminous clinopyroxenes in peridotite, and have the potential to cause significant (^230^Th)/(