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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...
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Article
Evaluation of the Standard Entropy of Crystalline Alkali Metal Borates
A composition–property relationship has been developed that makes it possible to select the optimal values of the standard entropy of alkali metal borates, for which available experimental and reference data v...
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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 ...
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Article
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...
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Article
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.
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Article
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
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Article
Interpretation of the XENON1T Excess in the Decaying Sterile Neutrino Model
We consider the experimentally detected XENON1T excess of electron recoil events in the energy range from 1 to 7 keV in terms of the phenomenological model with three active and three decaying sterile neutrino...
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Article
On Determination of the Two-Neutrino Double Beta Decay Mechanism for 82Se and Sterile Neutrino Contribution
Calculation of the 2ν2β-decay amplitude for 82Se based on the Higher-States Dominance (HSD) and Single-State Dominance (SSD) mechanisms is presented. If for some isotopes the main contribution to the amplitude of...
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Article
Estimation of the Standard Heat Capacity of Crystalline Alkali Metal Borates
A structure–property correlation was developed that makes it possible to choose the optimal values of the standard heat capacity of alkali metal borates, for which, according to the data of various experimenta...
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Article
Estimation of the Standard Enthalpy of Formation of Crystalline Alkali Metal Borates
A structure–property correlation has been developed, which makes it possible to choose the optimal values of the enthalpy of formation of alkali metal borates, for which, according to the data of various exper...
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Article
Determination of Parameters of the Model Involving Three Sterile Neutrinos on the Basis of the Results of the BEST Experiment
Parameters of the model involving three active and three sterile neutrinos are estimated. Specifically, these are the parameters of mixing of active and sterile neutrinos and mass parameters of sterile neutrin...
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Article
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...
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Article
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...
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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...
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Article
Properties of Active-Neutrino Oscillations and Double-Beta Decay in the Presence of Sterile-Neutrino Contributions
The contributions of light sterile neutrinos to the properties of active-neutrino oscillations and the properties of double-beta decay are estimated under the assumption of the Majorana nature of neutrinos on ...
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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...
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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...
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Article
Refining the Cross Section of the Gallium Neutrino Capture Reaction and the Contributions from Sterile Neutrinos for Interpreting Neutrino Data on the Gallium Anomaly
Graphical dependencies are presented of the probability of electron neutrino preservation in a model with three active and three sterile neutrinos as a function of the neutrino distance from the source at ener...
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Article
Interpreting the Reactor Anomaly of Neutrino Data in Models with Sterile Neutrinos
A possible interpretation of the reactor antineutrino anomaly as an effect of one or three sterile neutrinos is discussed. The asymmetry of the probability of muon (anti)neutrino–electron (anti)neutrino transi...
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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...
