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Sulfur Isotopic Composition of Sulfides and Sulfates from Rocks of Carbonatite Complexes of the Devonian Kola Alkaline Province
AbstractThis study presents the sulfur isotopic characteristics in baryte from carbonatites of the Sallanlatva massif and sulfides (mainly pyrite and...
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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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Geochemistry of Rocks at the Neskevara Rare-Metal Deposit of the Vuoriyarvi Alkaline–Ultramafic Complex, Kola Peninsula
AbstractThe Vuoriyarvi Paleozoic alkaline–ultramafic complex with carbonatites is made up of a great diversity of rocks with various ore...
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Orbicular and Nodular Structures in Carbonatite of the Sung Valley Ultramafic-Alkaline-Carbonatite Complex, Shillong Plateau, Meghalaya, NE India: Their Petrogenetic Implications
Hitherto unknown rare orbicular carbonatites and associated nodular structures occur in the southeastern parts of the Cretaceous Sung valley...
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Noble gas isotopic signatures of sulfides in carbonatites of the Vuoriyarvi alkaline-ultrabasic complex (Kola Region, NW Russia)
Isotope signatures of noble gases incorporated into sulfides from alkaline-ultrabasic carbonatite complexes of the Devonian Kola Alkaline Province...
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Late Mesozoic Carbonatite of Central Asia
Late Mesozoic carbonatites of Central Asia are developed within the Central Asian Orogenic Belt and adjacent territories of the Siberian and North...
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Petrology of the Mid-Paleoproterozoic Tiksheozero Ultramafic‒Alkaline‒Carbonatite Complex (Northern Karelia)
The paper reports first comprehensive geological, petrographic, mineralogical, and geochemical data on one of the world’s oldest Tiksheozero...
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Rare Earth Mineralization in Regolith Zones of the Neoarchean Phoscorite from the Carbonatite-syenite Complex, Dombarahalli Area, Eastern Dharwar Craton, Koppal District, Karnataka
Two plugs of phoscorite (1.4 km × 1.6 km) covering 3 km 2 are reported in association with carbonatite and syenite complex for the first time from the...
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The Paleozoic Stage of the Bogdo Massif Alkaline Rocks Formation, Arctic Siberia: Data of 40Ar/39Ar Dating Results
AbstractThe 40 Ar/ 39 Ar age is determined for K-bearing minerals from high-K nepheline syenite (rischorrites), liebenerite and carbonatized nepheline...
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Geochemistry of Rare Earth Metals in the Ultrabasic–Alkaline–Carbonatite Complex of Kugda (Polar Siberia)
AbstractThe distribution patterns of rare earth metals (REM) in the rocks of the Kugda massif (Polar Siberia) are assessed. The REM content decreases...
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Rare-Earth Minerals from Carbonatite Veins in the Soustov Pluton, Kola Peninsula, as an Indicator of its Ore Specialization
Abstract —This paper presents the results of the first geological, isotope, geochemical, and mineralogical study of carbonatite veins that were...
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Estimation of Formation Temperature of the Noble Metal Mineralization of the Kovdor Alkaline-Ultrabasic Massif (Kola Peninsula)
In this work, mineralogical and geochemical data are presented for sulfide-rich phoscorites and carbonatites in the Kovdor massif. The PGE and...
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Rare earth elements (REEs) investigation of fly ash placers in southwestern Taurides: footprints of alkaline potassic Gölcük volcanism, Turkey
The importance of Rare Earth Elements (REE) is consistently rising for industrialized countries due to their widespread usage in various...
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New Data on the Age and Genesis of the Newania Carbonatite Complex, Rajasthan, India
Abstract —The paper presents newly acquired geochemical and mineralogical data on carbonatites and fluorapatite of the Newania intrusive complex,...
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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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The Niz’yavr Alkaline Pluton: Age, Isotope Characteristics, and Rare-Metal Mineralization
AbstractThe two phase Niz’yavr alkaline pluton is composed of alkali syenite and alkali quartz syenite. The crystallization age of alkali quartz...
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Phoscorites and Carbonatites: Relations, Possible Petrogenetic Processes, and Parental Magma, with Reference to the Kovdor Massif, Kola Peninsula
AbstractThe paper presents petrochemical, geochemical, and mineralogical data on rocks of the phoscorite–carbonatite complex in the Kovdor...
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Associations and Formation Conditions of a Body of Melilite Leucite Clinopyroxenite (Purtovino, Vologda Oblast, Russia): an Alkaline–Ultrabasic Paralava
A novel petrogenetic scheme is discussed for the formation of a melilite leucite clinopyroxenite body from an alkaline–ultrabasic paralava in the...
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Rare Earth Element Resource Potential of Super-Large Deposits in Eastern Fennoscandia
AbstractThis work has been carried out to assess the rare-earth potential of the main ore minerals of the Lovozero and Khibiny deposits. The loparite...
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Titanium-rich metasomatism in the lithospheric mantle beneath the Arkhangelsk Diamond Province, Russia: insights from ilmenite-bearing xenoliths and HP–HT reaction experiments
To provide new insights into the interaction of ultramafic alkaline melts with the subcontinental lithospheric mantle, we present results of a...