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Compositional evolution of igneous garnets: calcic garnets from alkaline rocks of Terskiy Coast (Kola Alkaline Carbonatite Province)
The study examined garnets in lamprophyric and carbonatitic dykes and massif melilitolites from the Devonian Kola Alkaline Carbonatite Province...
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Oxygen Isotopic Fractionation in a Silicate–Carbonate System during the Formation of Rocks of the Kovdor Pluton (Kola Peninsula)
AbstractThe δ 18 О values of carbonates and silicates (Ol, Phl, Mt) of calcite carbonatites, phoscorites, ijolites, and turjaites of the Kovdor pluton...
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Calcic Garnets as a Source of Information on the Age of Ultramafic Alkaline Intrusions in the Kola Magmatic Province
AbstractThe paper presents data of U–Pb (ID-TIMS) geochronologic studies of schorlomite–morimotoite–andradite garnet from the Vuoriyarvi,...
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Magmatic Deposits
Magma is fused rock (i.e., melt including dissolved gases and any crystals floating in it). Magma can cool and solidify at depth to form a large rock...
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U-Pb geochronology and Sr-Nd isotopic systematics of minerals from the ultrabasic-alkaline massifs of the Kola province
This paper reports the results of U-Pb geochronological and Sr-Nd isotopic geochemical investigations (LA-ICP-MS) for perovskite, apatite, titanite,...
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3D mineralogical map** of the Kovdor phoscorite–carbonatite complex (Russia)
The Kovdor baddeleyite–apatite–magnetite deposit in the Kovdor phoscorite–carbonatite pipe is situated in the western part of the zoned...
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Geochemical indicators of the evolution of the ultrabasic-alkaline series of Paleozoic massifs of the Fennoscandian shield
Rare-earth element distribution in the rocks and minerals of the olivinite-clinopyroxenitemelilitolite-melteigite-ijolite-nepheline syenite series...
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Formation of eudialyte-bearing phonolite from Kontozero carbonatite paleovolcano, Kola Peninsula
The results of the geological and petrologic study of eudialyte-bearing phonolite from the Late Devonian Kontozero carbonatite paleovolcano are...
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Where Are New Minerals Hiding? The Main Features of Rare Mineral Localization Within Alkaline Massifs
Alkaline and alkaline-ultrabasic massifs of the Kola Peninsula are unrestrained world’s leaders in mineral diversity. More than 700 mineral species...
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Nyerereite from calcite carbonatite at the Kerimasi Volcano, Northern Tanzania
The extinct Quaternary Kerimasi volcano located in the southern part of the Gregory Rift, northern Tanzania, contains both intrusive and extrusive...
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Hydrocarbon gases and helium isotopes in the Paleozoic alkaline-ultramafic massifs of the Kola Peninsula
Hydrocarbon gases (HCG) were studied in fluid inclusions from seven alkaline-ultramafic massifs of the Kola Peninsula. All the massifs (Sebljavr,...
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Compositional variation of Fe−Ti oxides from the Sokli complex, northeastern Finland
The phoscorite-carbonatite complex at Sokli, northeastern Finland, is composed of five stages of intrusions of phoscorites and carbonatites (P1-C1,...
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Phlogopite and tetraferriphlogopite from phoscorite and carbonatite associations in the Sokli massif, Northern Finland
The phoscorite—carbonatite complex (PCC) in the Sokli massif, northern Finland, is divided into 5 stages according to mineral assemblages and...
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Mineralogy and geochemistry of Devonian ultramafic minor intrusions of the southern Kola Peninsula, Russia: implications for the petrogenesis of kimberlites and melilitites
Minor magmatic intrusions of kimberlite, melilitite and cpx-melilitite occur in the southern part of the Kola Peninsula, Russia, on the Terskii...
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Parental melts of melilitolite and origin of alkaline carbonatite: evidence from crystallised melt inclusions, Gardiner complex
Perovskite and melilite crystals from melilitolites of the ultramafic alkaline Gardiner complex (East Greenland) contain crystallised melt...
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Sr and Nd isotope data of apatite, calcite and dolomite as indicators of source, and the relationships of phoscorites and carbonatites from the Kovdor massif, Kola peninsula, Russia
A detailed Sr−Nd isotopic study of primary apatite, calcite and dolomite from phoscorites and carbonatites of the Kovdor massif (380 Ma), Kola...
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The lamprophyre facies
Lamprophyres are a polygenetic group of rocks that have formed by the crystallization of common magma types, including lamproites and kimberlites,...
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Nephelines and analcimes in some alkaline igneous rocks
The paper presents electron microprobe analyses of nephelines and analcimes in alkaline igneous rocks ranging from theralite and basanite to...
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The phlogopites from the Jacupiranga carbonatite intrusions
Electron microprobe analyses of phlogopites from five carbonatite intrusions (C 1 oldest, to C 5 youngest) constituting the carbonatite plug in the...