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Scopus
ISSN 2411-3336 · Saint-Petersburg Mining University · 954 artikel di indeks
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Artikel Jurnal
Substantiation of the optimal performance parameters for a quarry during the stage-wise development of steeply dipping ore deposits
The use of stage-wise schemes in the development of deep quarries is one of the ways to increase the economic efficiency of mining a deposit and determining the optimal stage parameters remains an urgent task. Such parameters are stage depth, bench height, block length, etc. However, there is a…
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Artikel Jurnal
Physical properties of Paleozoic-Mesozoic deposits from wells in the South Barents Basin
The Arctic shelf zone is an important research target due to its significant hydrocarbon potential. A study of the physical properties (density, elasticity, elastic anisotropy index, specific acoustic impedance, and porosity) was conducted for core samples from six wells in the South Barents Basin…
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Artikel Jurnal
Experimental modeling of diamond dissolution in kimberlite within crustal cumulative centers
The main stages within the chemically active history of diamond genesis are proposed, from the upper-mantle chambers to the explosive ejections of diamonds and kimberlite material from cumulative centers to the surface. The paper focuses on the pre-final episode of diamond deposit genesis – the…
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Artikel Jurnal
Accumulation of impurity elements under hydrothermal crystallization of pyrite: selectivity of surface phases
Limited data on the behavior of impurity elements during the formation of ore minerals in hydrothermal systems reduce their potential as indicators of the physicochemical conditions of ore formation. One of the most common sulfides capable of concentrating precious metals and other valuable…
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Artikel Jurnal
Mechanism of microcrack zone formation in rock samples of various lithological types under triaxial stress state fracture conditions
Study of fracture mechanics in heterogeneous rocks, including crack initiation and propagation, has practical applications for geocontrol and identification of fracture zones in hydrocarbon well extraction. The features of microcrack zone formation depending on the type of rock heterogeneity under…
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Artikel Jurnal
Assessment of reliability parameters for workshop power supply circuits in mining enterprises with single-transformer substations under various redundancy methods
With the increasing complexity of electrical equipment in mining enterprises, the development and analysis of methods to enhance the reliability of technical devices within power supply systems are becoming increasingly relevant. This article focuses on assessing the reliability parameters of…
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Artikel Jurnal
Prospects for rare earth element mineralization in the weathering crusts developed on granite-gneisses of the Souktal Plutonic Complex (Northern Kazakhstan)
This study investigates unique weathering crust samples from the most altered sections (30-43 m) of the weathering profile within the Souktal Plutonic Complex, Northern Kazakhstan. The samples, obtained from two drill cores, consist of quartz, kaolinite, microcline, muscovite, and plagioclase, as…
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Artikel Jurnal
Influence of daily fluctuations in thermodynamic parameters of atmospheric air on its temperature distribution in downcast shafts of potash mines
The amplitude of diurnal variations in atmospheric air temperature may exceed 25 °C depending on the climatic zone and season. This gives rise to unsteady heat-transfer processes in downcast mine shafts and in the subsequent underground workings along the airflow path. The present study focuses on…
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Artikel Jurnal
Physical-geological models of coastal areas based on petrophysical and electric resistivity tomographic modelling
The potential of hydroacoustic methods widely used in coastal engineering geophysical survey is limited in the presence of gas-saturated bottom sediments. Under unfavourable conditions it is advisable to use electric prospecting methods. This article analyses the efficiency of modern electric…
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Artikel Jurnal
Sino-Russian cooperation in the Arctic: options for joint development of rare earth metals
The rare earth metals (REM) industry plays an important role in the modern global economy due to the extensive use of these elements in high-technology sectors. Russia possesses substantial REM reserves, giving the country a major competitive advantage: a strong mineral resource base capable of…
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Artikel Jurnal
Development of a composition and evaluation of the effectiveness of a bio-based product for cleaning oil-contaminated soils
Soil pollution by oil and petroleum products is a serious environmental problem, especially relevant for industrialized regions. Microbiological remediation based on the use of oil-oxidizing microorganisms is a promising method of restoring polluted soils. The aims of the study are to develop a…
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Artikel Jurnal
Constructed Floating Wetlands – a phytotechnology for wastewater treatment: application experience and prospects
The article is devoted to the actively developing area of wastewater treatment – Constructed Floating Wetlands (CFW, floating bioplatforms). The paper explores the creation history and operational experience of CFW in Russia and abroad. It describes the designs and preferred compositions of…
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Artikel Jurnal
High-alumina gneisses of the Chupa Formation in the Belomorian Mobile Belt: metamorphic conditions, partial melting, and the age of migmatites
Migmatized gneisses of the Chupa paragneiss Formation in the Belomorian Mobile Belt (BMB) of the Fennoscandian Shield have been studied, and the conditions of partial melting during high-grade metamorphism of the rocks were determined. The melting temperatures and pressures, the amount and…
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Artikel Jurnal
Development of an engineering methodology for determining the standard consumption of electricity by air coolers
The issue of reducing electricity consumption costs is becoming relevant for industrial enterprises, taking into account the growing demand for electricity every year. The electricity consumption of air coolers at a gas processing plant was considered in the framework of this study. The change in…
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Artikel Jurnal
Assessment of carbon deposition rates by bottom sediments of small lakes in the south of Western Siberia
The study is devoted to the quantitative assessment of organic carbon (Corg) deposition rates in the bottom sediments of small lakes located in the south of Western Siberia. The studied water bodies cover a wide range of landscape-climatic conditions and types of sedimentation environments. Despite…
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Artikel Jurnal
Investigation of “Kolchedan amber” with IR spectroscopy
This work is devoted to the study of fossil resins from the collection of the Mining Museum using infrared spectroscopy (FTIR). Samples of amber from the Iset River in the Middle Urals, collected in the early 19th century and known as “Kolchedan amber”, were examined. For comparison, fossil resins…
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Artikel Jurnal
Design improvement of a near-bit reaming-ejection device for enhancing rock-breaking efficiency during well construction
This research investigates the operational performance of ejection systems integrated into drilling rock-breaking assemblies. The object of the study is a near-bit reaming-ejection device (RED), which is installed in the bottom hole assembly (BHA) and is intended to improve bottom hole cleaning…
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Artikel Jurnal
Mineralogical and geochemical characteristics of coals from the Mugun deposit and sediment provenance during their formation
This study presents a comprehensive mineralogical and geochemical investigation of lignites from the Mugun deposit within the Irkutsk Coal Basin. The relevance of the research is determined by the need for the rational utilization of coal resources amid growing interest in the recovery of valuable…
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Artikel Jurnal
Morphological features, internal structure, and compositional signatures of native gold from the Murzinka placer group (Middle Urals): identification of lode sources and conditions of placer formation
The paper presents the results of a complex study of native gold from nine placers of the Murzinka group in the Middle Urals. Morphological features, chemical composition, and internal structure of native gold, as well as mineral inclusions within it, are described in detail. Based on the analysis…
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Artikel Jurnal
A study of grouting mortars using chromium-containing catalyst sludge for well cementing in permafrost zones
This article presents an experimental study of the effect of chromium (III) oxide, recovered from chromium-containing catalyst sludge, on the properties of grouting mortars used for well cementing in permafrost zones. The necessity of modifying grouting mortars to increase the strength of the…