 | | Journal (article/letter/editorial) | | niobium, metallogeny of tantalum, tantaloniobates, carbonatite, nepheline syenite, alkali granite, syenite,...(Fennoscandian) Shield, namely, Siilinjärvi carbonatite and Saharjok nepheline–syenite (Zozulya et al...(3) Brockman; (4) Katugin; (5) Mount Weld; (6) Argor; (7) Montviel; (8) Two Tom; (9) Strange Lake; (10)...Nechalacho Pitinga Brockman Katugin Mount Weld Argor Montviel Two Tom Strange Lake Tanbreez Motzfeldt...cassiterite; f, fluorite; k, K-feldspar; mo, molybdenite; mz, monazite; tn, tantaloniobates; tt, titanite; |  | | Report (volume) | | Victoria 3053, Australia DISTRIBUTORS USA and Canada Blackwell Scientific Publications Inc PO Box 50009...carbonatites 53 TWYMAN, J. D. & GITTINS, J. Alkalic carbonatite magmas: parental or derivative ? 85 DAWSON...White Mountain alkaline igneous provinces, eastern North America 433 vi Contents UPTON, B. G. J. & EMELEUS...biotites from the Poohbah Lake syenite in north-western Ontario have been dated at around 2.7 Ga (Mitchell...reported by Larsen et al. (1983) for the Tupertalik carbonatite in western Greenland. At the present time, alkaline |
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