 | | Journal (article/letter/editorial) | | 12. Conditions of Accumulation and Fractionation of Zirconium and Hafnium in the Alkaline–Carbonatite...of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, Moscow, Russia *e-mail: Kogarko@geokhi...distribution and fractionation of strategic metals (Zr, Hf) have been studied in the Kugda intrusion (Polar...ppm). A significant increase in Zr and Hf from early rocks (olivinite and melilite rocks) to later differentiation...up to 570 ppm Zr and 16 ppm Hf, has been revealed. During the evolution of the Kugda magmatic system, |  | | Journal (article/letter/editorial) | | DOI : 10.3749/canmin.46.4.951 MELILITE-BEARING AND MELILITE-FREE ROCK SERIES IN CARBONATITE COMPLEXES:...Staromonetny 35, Moscow, 119017 Russia Abstract Magnetite, perovskite and apatite zoning was investigated...Ca-rich) and melilite-free (i.e., Ca-poor) series in the alkaline–ultramafic complexes Guli, Kugda, Odikhincha...Odikhincha and Kara-Meni (Maimecha– Kotuy province, northwestern Siberian Platform), and in the Turiy Cape...Peninsula), all in Russia. Carbonatites in such complexes are found in both melilite-bearing and melilite-free |  | | Journal (article/letter/editorial) | | Staromonetny, (Received August RASS Mineralogy and Geochemistry, 35, Moscow, 109017, USSR 20, 1980;...Abstract-The rare-earth distributions in melilites and other coexisting minerals of melilite-containing...were analysed by partition paper chromatography and neutron activation. Relatively late differentiates...are characterized by elevated relative alkalinity and reduced absolute basicity. The characteristics of...minerals studied are richer in LREE than chondrites and REE concentrations in these minerals increase in |  | | Book (edition) | | MINERALS . andtheir LOCALITIES JAN H. BERNARD AND JAROSLAV HYRSL 4,200 MINERALS 8,500 LOCALITIES 1,0'00...memory of Dr. John Sinkankas for his kind initiative and support to publish this book in English version.... 2004 by Granit. s.r.o. 2004 Text bv Jan H. Bernard and Jaroslav Hyrsl 2004 Photo; by JaroslaYHyrsl (463)...collections. The awors are gratefi,I ro all institwions and persons who allowed to photograph their specimens...7 Mineral Species and their Localities .............. Explanation of Symbols and Abbreviations ... |  | | Book (edition) | | edition 1980 with Supplementary Material Printed and Published by ROBERT E. KRIEGER PUBLISHING 645 New...Eckermann, an eponym for carbonatite, with admiration and affection Preface to the Reprint Edition s In...Geology of Carbonatites first appeared, scientific and technological interest in carbonatites has remained...Finland, Guyana, Venezuela, Brazil, Paraguay, Angola and South-West Africa, i.a. Carbonatites are now the...California) and of Nb (Oka, Quebec and Araxa, Brazil) and important sources of P, Ti, Cu and CaCO; (Jacupiranga |
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