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  1. No Access

    Article

    Application of Energy-Dispersive X-ray Spectroscopy to Quantify the Chemical Composition of Igneous Rocks

    The possibility of using energy-dispersive X-ray spectroscopy for quantification of the chemical composition of igneous rocks without their transfer into solution has been considered. Statistical processing of...

    E. N. Pechenkina, V. A. Krenev, S. V. Fomichev… in Russian Journal of Inorganic Chemistry (2024)

  2. No Access

    Article

    Basalt of Kanzafarova Open Pit Mine: Raw Material for Production of Mineral Fiber

    The chemical composition of rocks from the Kanzafarova open pit mine is determined by inductively coupled plasma atomic emission spectroscopy; their petrochemical properties are estimated. On the basis of the ...

    E. N. Pechenkina, E. I. Berbekova… in Theoretical Foundations of Chemical Engine… (2023)

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    Stratiform Anorthosite Associations of Differentiated Basitic Massifs in Russia. Part 1. Deposits and Mineral Composition

    The data on the main (Arsent’evskii, Orongoiskii, Kizirskii, Chineiskii, Patynskii, and Kharlovskii) massifs of stratiform anorthosite deposits in Russia and their location data are given. The problems of clas...

    V. A. Krenev, S. V. Fomichev, D. F. Kondakov… in Theoretical Foundations of Chemical Engine… (2023)

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    Stratiform Anorthosite Associations of Differentiated Basitic Massifs in Russia. Part 2. Genesis

    Data on the crystallization of the basic magma and its intrachamber and intrapocket (deep-seated) differentiations are given. Problems of the genesis of stratiform anorthosites are considered.

    V. A. Krenev, S. V. Fomichev, D. F. Kondakov… in Theoretical Foundations of Chemical Engine… (2023)

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    Physicochemical Modeling of Melting and Crystallization Processes of Latite and Trachyte

    Using computer physicochemical modeling methods, we determine the mineral compositions of igneous rocks corresponding to latite and trachyte, medium volcanic rocks of the subalkaline series 53 ≤ SiO2 ≤ 64.5 ≤ (Na

    E. N. Pechenkina, E. I. Berbekova… in Theoretical Foundations of Chemical Engine… (2023)

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    Magnetochemistry and Electron Paramagnetic Resonance of Andesite and Gabbro

    Brief petrochemical characteristics of andesite (from the Ussuri region) and gabbro (from the Republic of Karelia) are given. The magnetic properties of various grain size fractions are analyzed in detail by E...

    E. N. Pechenkina, N. N. Efimov, P. N. Vasil’ev… in Russian Journal of Inorganic Chemistry (2022)

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    Effect of Technological Parameters on the Formation of Igneous Rock Melts (for Gabbro Used As an Example)

    The results of determination of the chemical composition of the main plutonic rock gabbro are presented. The chemical and mineral compositions were calculated by physicochemical modeling, as well as the compos...

    V. A. Krenev, S. V. Fomichev… in Theoretical Foundations of Chemical Engine… (2022)

  8. No Access

    Article

    Obtaining Gabbro-Based Ceramics with Potassium Liquid Glass Binder

    A method of producing ceramics from igneous rocks is presented for the example of gabbro. It is shown that potassium liquid glass can be used as a binder. The method of physicochemical modeling was used to cal...

    E. N. Pechenkina, S. V. Fomichev, A. N. Komilova, V. A. Krenev in Glass and Ceramics (2022)

  9. No Access

    Article

    Gabbro–Basalt Raw Materials of Russia: Mineral Composition, Modification Methods, and Complex Use

    Research was carried out, intended for using igneous rocks of Russian deposits for the production of advanced materials. Methods for calculating the mineral composition of gabbro–basalt rocks and the effect of...

    V. A. Krenev, E. N. Pechenkina, S. V. Fomichev in Russian Journal of Inorganic Chemistry (2021)

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    Article

    Extraction Reprocessing of Fe,Ni-Containing Parts of Ni–MH Batteries

    A combined method for the reprocessing of Fe,Ni-containing parts of spent Ni–MH batteries has been developed. Leaching and extractive separation of Fe(III) and Ni(II) ions from anode grids of recovered commerc...

    M. I. Fedorova, Yu. A. Zakhodyaeva… in Russian Journal of Inorganic Chemistry (2021)

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    Article

    Melting and Crystallization of Moderately Alkaline Volcanic Rocks: Physicochemical Modeling and Experimental Study

    We studied by physicochemical modeling (PCM) how the temperature and redox properties of the crystallization atmosphere affect the equilibrium compositions of product phases using trachyandesibasalt as an exam...

    V. A. Krenev, N. N. Efimov, P. N. Vasil’ev… in Russian Journal of Inorganic Chemistry (2020)

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    Article

    Modification of the Composition of Gabbro-Basalt Raw Materials during Melting in an Oxidizing, Inert, or Reducing Atmosphere

    The processes of melting of different types of igneous rock constituting gabbro-basalt raw material are examined. The role of the main rock-forming elements in the formation of these melts for the production o...

    V. A. Krenev, D. F. Kondakov, E. N. Pechenkina, S. V. Fomichev in Glass and Ceramics (2020)

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    Article

    Preparation of Stone Castings from Olivine Dolerite

    The subject of this study is olivine dolerite, a holocrystalline variety of basic volcanic and dike rocks of the normally alkaline rock subclass of the basalt family. Based on innovative methods combining phys...

    V. A. Krenev, E. N. Pechenkina, S. V. Fomichev in Inorganic Materials (2019)

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    Article

    Physicochemical Modeling and Experimental Study of the Si–Al–Ti–Fe–Mg–Ca–Na–K–O System

    The melting and crystallization of the natural system Si–Al–Ti–Fe–Mg–Ca–Na–K–O, which represents andesite-basalt, an effusive medium rock that contains 35–95% glass, were studied by physicochemical modeling an...

    V. A. Krenev, S. V. Fomichev, E. N. Pechenkina in Russian Journal of Inorganic Chemistry (2019)

  15. No Access

    Article

    Modification of the Composition of Andesite Raw Material for the Production of Mineral Fibers and Stone Casting

    The properties of andesite, a neutral or subalkaline medium volcanic rock, are reviewed. Using the example of andesite mined in Kamchatka, an analysis of the possibility of applying methods for modifying the c...

    E. N. Pechenkina, S. V. Fomichev… in Theoretical Foundations of Chemical Engine… (2019)

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    Article

    Equilibrium Composition of Phases in Comelting of Natural Tecto-, Meta-, and Orthosilicates by the Example of Olivine Gabbronorite

    By the example of olivine gabbronorite, a basic plutonic rock of the gabbroid family, the effect of temperature and the redox properties of the crystallization atmosphere on the equilibrium composition of the ...

    V. A. Krenev, E. N. Pechen’kina, S. V. Fomichev in Russian Journal of Inorganic Chemistry (2019)

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    Article

    Influence of the Crystallization Temperature and Atmosphere on the Equilibrium Phase Assemblage of Plutonic Rocks of the Monzonite Family

    The influence of external settings on the mineral assemblage of plutonic rocks is studied. The equilibrium compositions of phases formed during melting–crystallization of quartz monzodiorite are calculated by ...

    V. A. Krenev, S. V. Fomichev, E. N. Pechenkina in Russian Journal of Inorganic Chemistry (2018)

  18. No Access

    Article

    Physicochemical Modeling and Modification of the Composition of Magmatic and Metamorphic Rocks: Diorites

    This paper presents general data on the diorite family: intermediate plutonic rocks in the normally and low alkaline rock subclass. Using quartz diorite from the Altai Mountains as an example, we analyze the f...

    V. A. Krenev, S. V. Fomichev, N. P. Dergacheva, E. N. Pechenkina… in Inorganic Materials (2018)

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    Article

    Modern Classification of the Rocks of Gabbro-Basalt Raw Materials Occurring in Russia

    Based on the data of chemical analysis and on calculated petrochemical characteristics, the rocks from 48 deposits of gabbro-basalt raw materials native to Russia are assigned to specific mineral families and ...

    V. A. Krenev, O. A. Noskova… in Theoretical Foundations of Chemical Engine… (2018)

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    Article

    Physicochemical Modeling and Modification of the Composition of Magmatic and Metamorphic Rocks: Basic Picrobasalts

    Using picrobasalt from the Bulatovskoe occurrence (Arkhangelsk oblast) as an example, we analyze the feasibility of using methods developed at the Kurnakov Institute of General and Inorganic Chemistry, Russian...

    V. A. Krenev, N. P. Dergacheva, S. V. Fomichev, V. K. Ivanov in Inorganic Materials (2018)

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