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Ferrous freudenbergite in ilmenite megacrysts: A unique paragenesis from the Dalnaya kimberlite, Yakutia
Ferrous freudenbergite ilmenite megacrysts unique paragenesis Dalnaya kimberlite Yakutia
2012/4/6
AsuiteofpicroilmenitemegacrystsfromtheDalnayakimberlite,Siberia,wasfoundtofallintooneoftwogroups,themostabundanthaving11¤C12wt%MgOand650¤C15ppmNb,andtheothershavinglowerMgO(8.8¤C10.2wt%)andhigherNb(17...