Search Results - "Nikolaev, S G"

Effect of Sulfide Sulfur on the Crystallization of Low-Alkali Magmas: Prolegomena by Nikolaev, G. S.

“…—The effect of sulfide sulfur on the crystallization of ultramafic–mafic–intermediate magmatic systems is considered in order to assess its scale and direction…”
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Infiltration of Intercumulus Liquid as a Process for the Sulfide Relocation—An Example from Low-Sulfide Mineralization of the Burakovo–Aganozero Intrusion by Nikolaev, G. S.

“…— A mechanism is suggested to explain the transport of sulfide material by means of its dissolution and subsequent redeposition under the effect of an…”
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SPINMELT-2.0: Simulation of Spinel–Melt Equilibrium in Basaltic Systems under Pressures up to 15 Kbar: III. The Effects of Major Components in the Melt on the Chrome-Spinel Stability and a Possible Solution of the Problem of Origin of Chromitites by Nikolaev, G. S., Ariskin, A. A., Barmina, G. S.

“…— The effect of variations in the fo , fa , en , fs , di , an and ab components in high-Mg basaltic melts on the topology of the spinel liquidus was quantified…”
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Numerical Modeling of the Effects of Major Elements on the Solubility of Chrome–Spinel and a Likely Solution of the Problem of the Origin of Chromitite by Nikolaev, G. S., Ariskin, A. A., Barmina, G. S.

“…The influence of variations in fo- , fa -, en- , fs -, di -, an -, and ab -components in a high-Mg basaltic melt on the topology of the spinellide liquidus was…”
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Genetic Interpretation of the Distribution of PGE and Chalcogens in Sulfide-Mineralized Ultramafic Rocks from the Yoko-Dovyren Layered Intrusion by Ariskin, A. A., Nikolaev, G. S., Danyushevsky, L. V., Fiorentini, M., Kislov, E. V., Pshenitsyn, I. V.

“…— The paper presents newly acquired data on concentrations of chalcophile elements and chalcogens (Se and Te) in sulfide-bearing rocks and Cu–Ni ores from the…”
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Geochemistry and Petrology of Protosulfide Melts in an Ore-Bearing Apophysis of the Yoko-Dovyren Intrusion by Pshenitsyn, I. V., Ariskin, A. A., Nikolaev, G. S., Korost, D. V., Yapaskurt, V. O., Kislov, E. V., Sobolev, S. N., Kubrakova, I. V., Tyutyunnik, O. A.

“…— The paper presents results of petrological and geochemical studies of sulfide-bearing rocks from a bottom apophysis in the central part of the Yoko-Dovyren…”
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Oxygen Isotope Composition in Olivine and Melts from Cumulates of the Yoko-Dovyren Layered Massif, Northern Transbaikalia, Russia by Ariskin, A. A., Fomin, I. S., Dubinina, E. O., Avdeenko, A. S., Nikolaev, G. S.

“…— Oxygen isotope composition was studied in 33 monomineralic fractions of olivine from plagioclase lherzolite, dunite, troctolite, and olivine gabbronorite of…”
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Scratch-collapse test in reflex cervical-elbow syndrome by Nikolaev, S. G.

“…The scratch-collapse test was proposed in 2008 to detect the level of compression of the ulnar and median nerves in tunnel lesions. Further study of this…”
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Three Types of Olivine Crystal Size Distribution in Dunites from the Yoko-Dovyren Layered Massif as Signals of Their Different Crystallization History by Sobolev, S. N., Ariskin, A. A., Nikolaev, G. S., Pshenitsyn, I. V.

“…Crystal size distributions (CSD) of olivine were obtained for 17 samples of plagiodunite and Pl ‑bearing dunite from the central part of the Yoko-Dovyren…”
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Updated COMAGMAT-5: Modeling the Effects of Sulfide Precipitation in Parallel to the Crystallization of Alumino-Chromian Spinel by Ariskin, A. A., Bychkov, K. A., Nikolaev, G. S., Barmina, G. S.

“…An updated version of the COMAGMAT-5.3 program is presented, which enables simulations of the silicate-sulfide immiscibility in parallel to the crystallization…”
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Crystal Size Distribution as a Key to Understanding Protocumulus Evolution in Layered Intrusions: Experiments, Calculations, and Practice of CSD Extraction by Sobolev, S. N., Ariskin, A. A., Nikolaev, G. S., Pshenitsyn, I. V.

“…The paper provides a review of calculations and experimental approaches to reproducing three types of crystal size distributions (log-linear, bimodal,…”
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SPINMELT-2.0: Simulation of spinel–melt equilibrium in basaltic systems under pressures up to 15 kbar: I. model formulation, calibration, and tests by Nikolaev, G. S., Ariskin, A. A., Barmina, G. S.

“…The paper presents results of testing currently used models proposed to describe Cr-spinel–melt equilibrium: models of the MELTS family by M.S. Ghiorso with…”
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SPINMELT-2.0: Simulation of Spinel–Melt Equilibrium in Basaltic Systems under Pressures up to 15 Kbar: II. Description of the Program Package, the Topology of the Cr-spinel–Melt Model System, and Petrological Implications by Nikolaev, G. S., Ariskin, A. A., Barmina, G. S.

“…The paper represents an algorithmic implementation of the SPINMELT-2.0 model designed to simulate Cr-spinel–melt equilibrium, and provides a description of its…”
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Test of the Ballhaus–Berry–Green Ol–Opx–Sp oxybarometer and calibration of a new equation for estimating the redox state of melts saturated with olivine and spinel by Nikolaev, G. S., Ariskin, A. A., Barmina, G. S., Nazarov, M. A., Almeev, R. R.

“…Testing the Ballhaus–Berry–Green Ol–Opx–Sp oxybarometer (BBG) on independent experimental data indicates that it overestimates the oxygen fugacity by 0.6–1.3…”
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Modeling of trace-element composition of sulfide liquid in a crystallizing basalt magma: Development of the R-factor concept by Ariskin, A. A., Bychkov, K. A., Nikolaev, G. S.

“…This paper presents principles of the method of modeling metal concentrations in sulfide at the occurrence of silicate–sulfide liquid immiscibility during…”
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Morphology, Mineralogy, and Composition of Sulfide Droplets in Picrodolerite from a Near-Bottom Apophysis of the Yoko-Dovyren Layered Intrusion by Pshenitsyn, I. V., Ariskin, A. A., Nikolaev, G. S., Kislov, E. V., Korost, D. V., Yapaskurt, V. O., Sobolev, S. N.

“…The paper presents data on sulfide globules in picrodolerites from a bottom apophysis of the Yoko-Dovyren massif, northern Transbaikalia. Textural features of…”
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Geochronology of the Dovyren intrusive complex, northwestern Baikal area, Russia, in the Neoproterozoic by Ariskin, A. A., Kostitsyn, Yu. A., Konnikov, E. G., Danyushevsky, L. V., Meffre, S., Nikolaev, G. S., McNeill, A., Kislov, E. V., Orsoev, D. A.

“…The paper reports newly obtained data on the geochronology of the Dovyren intrusive complex and associated metarhyolites of the Inyaptuk Formation in the…”
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Hg- and Cd-Bearing Pd, Pt, Au, and Ag Minerals in Sulfide-Bearing Mafic and Ultramafic Rocks of the Yoko-Dovyren Intrusion in the Baikalides of the Northern Baikal Area by Spiridonov, E. M., Orsoev, D. A., Ariskin, A. A., Nikolaev, G. S., Kislov, E. V., Korotaeva, N. N., Yapaskurt, V. O.

“…Hg and Cd are rare chemical elements found in magmatic PGE and Au mineralization and typical of this mineralization in the Late Riphean Yoko-Dovyren…”
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The experience with repetitive peripheral magnetic stimulation in subjects with lumbosacral radiculopathy by Blokhina, V. N., Kopachka, M. M., Troshina, E. M., Kanshin, D. S., Nikolaev, S. G.

“…Introduction . Lumbosacral radiculopathy is а leading cause of long-term disability. Taking into a consideration the duration of treatment radiculopathy, the…”
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Redox conditions during crystallization of ultramafic and gabbroic rocks of the Yoko–Dovyren massif (Based on the results of measurements of intrinsic oxygen fugacity of olivine) by Ariskin, A. A., Fomin, I. S., Zharkova, E. V., Kadik, A. A., Nikolaev, G. S.

“…We present the results of electrochemical measurements of the intrinsic oxygen fugacity of olivine separates representing seven rock types from the central…”
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