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Showing 1-20 of 326 results
  1. Sulfur Isotopic Composition of Sulfides and Sulfates from Rocks of Carbonatite Complexes of the Devonian Kola Alkaline Province

    Abstract

    This study presents the sulfur isotopic characteristics in baryte from carbonatites of the Sallanlatva massif and sulfides (mainly pyrite and...

    E. N. Kozlov, E. N. Fomina, ... M. Yu. Sidorov in Geochemistry International
    Article 01 June 2024
  2. 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...

    Alexey A. Vozniak, Maya G. Kopylova, ... Maria V. Stifeeva in Mineralogy and Petrology
    Article 03 May 2023
  3. Geochemistry of Rocks at the Neskevara Rare-Metal Deposit of the Vuoriyarvi Alkaline–Ultramafic Complex, Kola Peninsula

    Abstract

    The Vuoriyarvi Paleozoic alkaline–ultramafic complex with carbonatites is made up of a great diversity of rocks with various ore...

    N. V. Sorokhtina, T. A. Lipnitsky, ... N. N. Kononkova in Geochemistry International
    Article 15 November 2023
  4. 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...

    Damepaia S. M. Pdah, M. A. Khonglah in Journal of the Geological Society of India
    Article 12 May 2022
  5. 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...

    Evgeniy Kozlov, Vladimir Skiba, ... Mikhail Sidorov in Arabian Journal of Geosciences
    Article 10 August 2021
  6. 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...

    A. V. Nikiforov in Petrology
    Article 01 February 2023
  7. Petrology of the Mid-Paleoproterozoic Tiksheozero UltramaficAlkalineCarbonatite Complex (Northern Karelia)

    The paper reports first comprehensive geological, petrographic, mineralogical, and geochemical data on one of the world’s oldest Tiksheozero...

    E. V. Sharkov, A. V. Chistyakov, ... P. V. Frolov in Petrology
    Article 14 September 2021
  8. 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...

    K. Reshma, T. Paradkar Trigun, Nibin G. Tom in Journal of the Geological Society of India
    Article 09 August 2022
  9. The Paleozoic Stage of the Bogdo Massif Alkaline Rocks Formation, Arctic Siberia: Data of 40Ar/39Ar Dating Results

    Abstract

    The 40 Ar/ 39 Ar age is determined for K-bearing minerals from high-K nepheline syenite (rischorrites), liebenerite and carbonatized nepheline...

    S. M. Zhmodik, A. V. Travin, ... N. N. Dobretsov in Doklady Earth Sciences
    Article 19 December 2023
  10. Geochemistry of Rare Earth Metals in the Ultrabasic–Alkaline–Carbonatite Complex of Kugda (Polar Siberia)

    Abstract

    The distribution patterns of rare earth metals (REM) in the rocks of the Kugda massif (Polar Siberia) are assessed. The REM content decreases...

    L. N. Kogarko in Doklady Earth Sciences
    Article 30 December 2021
  11. 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...

    M. N. Petrovskii in Geology of Ore Deposits
    Article 01 December 2020
  12. 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...

    N. V. Sorokhtina, V. A. Zaitsev, ... N. N. Kononkova in Geochemistry International
    Article 17 May 2021
  13. 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...

    Ali Tugcan Unluer, Zeynep Doner, ... Mehmet Sezai Kirikoglu in Geosciences Journal
    Article 24 April 2023
  14. 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,...

    N. V. Sorokhtina, B. V. Belyatsky, ... A. Ghatak in Geochemistry International
    Article 08 December 2022
  15. Calcic Garnets as a Source of Information on the Age of Ultramafic Alkaline Intrusions in the Kola Magmatic Province

    Abstract

    The paper presents data of U–Pb (ID-TIMS) geochronologic studies of schorlomite–morimotoite–andradite garnet from the Vuoriyarvi,...

    M. V. Stifeeva, E. B. Salnikova, ... V. Yu. Grozdev in Petrology
    Article 01 January 2020
  16. The Niz’yavr Alkaline Pluton: Age, Isotope Characteristics, and Rare-Metal Mineralization

    Abstract

    The two phase Niz’yavr alkaline pluton is composed of alkali syenite and alkali quartz syenite. The crystallization age of alkali quartz...

    M. N. Petrovskiy in Geology of Ore Deposits
    Article 01 December 2020
  17. Phoscorites and Carbonatites: Relations, Possible Petrogenetic Processes, and Parental Magma, with Reference to the Kovdor Massif, Kola Peninsula

    Abstract

    The paper presents petrochemical, geochemical, and mineralogical data on rocks of the phoscorite–carbonatite complex in the Kovdor...

    I. T. Rass, D. B. Petrenko, ... A. I. Yakushev in Geochemistry International
    Article 15 July 2020
  18. 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...

    A. Y. Barkov, A. A. Nikiforov, ... B. M. Lobastov in Petrology
    Article 27 May 2024
  19. Rare Earth Element Resource Potential of Super-Large Deposits in Eastern Fennoscandia

    Abstract

    This work has been carried out to assess the rare-earth potential of the main ore minerals of the Lovozero and Khibiny deposits. The loparite...

    L. N. Kogarko in Doklady Earth Sciences
    Article Open access 10 October 2023
  20. 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...

    Alexey Kargin, Yannick Bussweiler, ... Stephan Klemme in Contributions to Mineralogy and Petrology
    Article 15 November 2021
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