Izvestiia vysshikh uchebnykh zavedenii Geologiia i razvedka最新文献

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New prospects of uranium mineralisation of the Trans-Urals based on regional geochemical survey data 基于区域地球化学测量资料的跨乌拉尔地区铀矿化新展望
Izvestiia vysshikh uchebnykh zavedenii Geologiia i razvedka Pub Date : 2022-06-22 DOI: 10.32454/0016-7762-2022-64-1-8-16
L. A. Krinochkin, O. Krinochkina, V. Blokov
{"title":"New prospects of uranium mineralisation of the Trans-Urals based on regional geochemical survey data","authors":"L. A. Krinochkin, O. Krinochkina, V. Blokov","doi":"10.32454/0016-7762-2022-64-1-8-16","DOIUrl":"https://doi.org/10.32454/0016-7762-2022-64-1-8-16","url":null,"abstract":"Introduction. The article presents the prospects of uranium mineralisation in the Trans-Urals. The study area lies in the southwestern part of the Western Siberian Plate and belongs to the West Siberian uranium-bearing belt. The belt controls the paleovalley type uranium infiltration mineralisation of the Mesozoic age. The data obtained from the anomalous geochemical area (AGA) of the Dolmatovsky and Khokhlovsky uranium ore regions are used as a reference with suitable geochemical characteristics. Aim. The aim of this study is to identify and forecast new uranium ore regions that are promising for the discovery of industrial deposits of paleovalley type uranium.Materials and methods. The research was conducted while establishing the geochemical bases on a scale of 1 : 1 00 000. Over 2000 samples of soils and bottom sediments were evaluated on a 10 × 10 km grid. The uranium active forms and other 56 elements were detected in the samples. The analysis was carried out by inductively coupled plasma mass spectrometry (ICP-MS) in the FSBI “IMGRE” analytical centre.Results. Besides the known Dolmatovsky and Khokhlovsky uranium ore regions, 31 AGAs with uranium specialisation were identified based on the geochemical data obtained in a well-developed and accessible site. Their prospectivity was assessed according to a set of geological and geochemical criteria. As a result, six new promising areas for discovering industrial uranium deposits were identified, and a significant increase in uranium reserves is expected in the well-known Khokhlovsky region.Conclusions. The practical implication of the study is the forecast of the expansion of the uranium raw materials base around the known deposits with finite raw materials reserves.","PeriodicalId":33343,"journal":{"name":"Izvestiia vysshikh uchebnykh zavedenii Geologiia i razvedka","volume":"275 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73559232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Western flanks of the Central Asian late paleozoic continental rift system and uranium mineralization 中亚晚古生代大陆裂谷系西侧翼与铀矿化
Izvestiia vysshikh uchebnykh zavedenii Geologiia i razvedka Pub Date : 2022-06-22 DOI: 10.32454/0016-7762-2022-64-1-17-29
S. A. Malyutin
{"title":"Western flanks of the Central Asian late paleozoic continental rift system and uranium mineralization","authors":"S. A. Malyutin","doi":"10.32454/0016-7762-2022-64-1-17-29","DOIUrl":"https://doi.org/10.32454/0016-7762-2022-64-1-17-29","url":null,"abstract":"Introduction. Available information on the occurrences of high alkaline magmatic rocks fixing the position of the western flanks of the southern branches (Gobi Altai and Gobi Tien-Shan) of the Central Asian Late Paleozoic continental rift system in the territory of the North-West of Chingiz (the eastern part of Central Kazakhstan), the Kendyktas-Chu-Ili-Bet-Pak-Dal uranium-bearing province of the Southern Kazakhstan and the Chatkal-Naryn zone of Tien-Shan (Uzbekistan) is reviewed. Data on the confinement of uranium mineralization to these occurrences and its paragenetic relationship with the Late Paleozoic alkaline volcanic-plutonic association is provided.Aim. To study the uranium mineralization of Late Paleozoic alkaline magmatism to clarify metallogenic representations and justify prospects for the ore-bearingness of the western flanks of the southern branches of the Central Asian continental rift system.Materials and methods. The largest part of materials was obtained in the process of geological surveys and prospecting works of various scales in the regions of Central Kazakhstan in the period 1965–1985 with the participation of the author. Published materials concerning the subdivision of magmatic formations in the uranium ore fields of Southern Kazakhstan and the Chatkal-Naryn zone were also used.Results. Subvolcanic bodies of comendites and small masses of alkaline granites of the Late Paleozoic were identified across the area of uranium ore occurrences in the South-Western Chingiz and some deposits of South Kazakhstan confined to Devonian volcanic structures, which indicates their relationship with the southern branches of the Central Asian continental rift system. Rare-metalalbite, uranium-phosphorus and uranium-molybdenum formations are confined to alkaline rocks. Rare-metal mineralization is closely associated with alkaline rocks, while uranium mineralization occurred after the introduction of the most recent microgabbrodiorite and lamprophyre dikes. Similar correlations of rare-metal and uranium mineralization with alkaline granites and of microgabbrodiorite and lamprophyre dikes are observed in the uranium deposits of the Chatkal-Naryn zone located among the early Permian bimodal trachybasalt-trachyolite formation.Conclusion. The establishment of ore mineralization on the western flanks of the Gobi Altai and Gobi Tien-Shan branches in the territory of Southern and Central Kazakhstan allows these areas to be distinguished as metallogenic zones, promising in terms of rare-metal and uranium mineralization.","PeriodicalId":33343,"journal":{"name":"Izvestiia vysshikh uchebnykh zavedenii Geologiia i razvedka","volume":"343 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78824755","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Landslide hazard assessment of the Norak region of Tadjikistan 塔吉克斯坦诺拉克地区滑坡危险性评价
Izvestiia vysshikh uchebnykh zavedenii Geologiia i razvedka Pub Date : 2022-06-22 DOI: 10.32454/0016-7762-2022-64-1-50-60
B. Muminov, I. Fomenko, O. Sirotkina
{"title":"Landslide hazard assessment of the Norak region of Tadjikistan","authors":"B. Muminov, I. Fomenko, O. Sirotkina","doi":"10.32454/0016-7762-2022-64-1-50-60","DOIUrl":"https://doi.org/10.32454/0016-7762-2022-64-1-50-60","url":null,"abstract":"Introduction. The application of geographic information system (GIS) technologies is a promising technology for mapping and evaluating landslide hazards. At present, satellite-based terrestrial sensing is widely used. Satellite images make it possible not only to identify individual landslides, particularly in hard-to-reach areas, but also to identify those locations where landslide processes have manifested, are manifesting and may manifest themselves in the future.Aim. Mapping of the present landslide propagation in the territory of the Norak region of Tajikistan using satellite imaging and GIS.Materials and methods. In the course of the study, maps of landslide propagation were compiled both automatically and manually. An analysis of the results of previous studies and interpretations of satellite images was conducted. Digital models of the relief, as well as topographic, geomorphological, engineering and geological maps, were investigated.Results. A detailed map of landslide phenomena was compiled in the GIS format and a database of landslide phenomena was created for the first time for the territory of the Norak region of the Republic of Tajikistan.Conclusions. The conducted zoning showed that, out of the total landslide number, 24%, 36%, 10%, 18% and 12% correspond to very small, small, medium, large, and very large landslides, respectively. The landslide processes are developed across the area of 2601×104 m2, which accounts for the 4% of the total area of the district. The results demonstrate that the approach used in this study may be applicable to the landslide hazard assessment in hard-to-reach and poorly studied regions.","PeriodicalId":33343,"journal":{"name":"Izvestiia vysshikh uchebnykh zavedenii Geologiia i razvedka","volume":"15 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73400661","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Formation conditions and evolution of the oil and gas strata of the prospective East Siberian oil and gas province 东西伯利亚油气远景区油气层形成条件与演化
Izvestiia vysshikh uchebnykh zavedenii Geologiia i razvedka Pub Date : 2022-06-22 DOI: 10.32454/0016-7762-2022-64-1-38-49
R. Mamedov, M. Allanazarova, R. R. Sagdeev, T. N. Suyunbaev
{"title":"Formation conditions and evolution of the oil and gas strata of the prospective East Siberian oil and gas province","authors":"R. Mamedov, M. Allanazarova, R. R. Sagdeev, T. N. Suyunbaev","doi":"10.32454/0016-7762-2022-64-1-38-49","DOIUrl":"https://doi.org/10.32454/0016-7762-2022-64-1-38-49","url":null,"abstract":"Introduction. East Siberian Sea shelf refers to the Novosibirsk-Chukotka prospective oil and gas province. The definition of the East Siberian shelf as a prospective oil and gas province and its division into areas is based, along with the structural and geological prerequisites, on the identification of numerous bitumen occurrences in the Paleozoic, Triassic and Jurassic sediments of the Novosibirsk Islands.Aim. To construct spatio-temporal digital models of sedimentary basins and hydrocarbon systems for the main horizons of source rocks, as well as to carry out their detailed analysis based on the available information about the oil and gas content, the gas-chemical composition of sediments, the characteristics of the component composition and evolution of source rocks within the studied prospective oil and gas province. The conducted research made it possible to study regional trends in oil and gas content, features of the sedimentary cover formation and the development of hydrocarbon systems in the area under study.Materials and methods. The materials of production reports obtained for individual large objects in the water area were the source of information. A basin analysis was based on a model developed by the Equinor specialists (Somme et al., 2018) [8, 9], which covered the time period from the Triassic to Paleogene inclusive and took into account the plate-tectonic reconstructions performed by Dor’e et al. in 2015. The resulting model included four main sedimentary complexes: pre-Aptian, Apt-Upper Cretaceous, Paleogene, and Neogene-Quaternary.Results. The calculation of numerical models was carried out in two versions with different types of kerogen of oil and gas source strata corresponding to humic and sapropel organic matter. The key factor in controlling the development of hydrocarbon systems was found to be the sinking rate of the basins and the thickness of the formed overburden complexes.Conclusion. The conducted analysis allowed the most promising research objects to be identified. The main foci of hydrocarbon generation in the Aptian-Late Cretaceous and Paleogene complexes were identified, along with the area of their most probable accumulation. Significant hydrocarbon potential is expected in the Paleogene clinoforms of the Eastern Arctic. This complex is currently underestimated, thus requiring further resource assessment study. A detailed mapping of its interior structure should be carried out.","PeriodicalId":33343,"journal":{"name":"Izvestiia vysshikh uchebnykh zavedenii Geologiia i razvedka","volume":"16 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88834715","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Useful publication 有用的出版
Izvestiia vysshikh uchebnykh zavedenii Geologiia i razvedka Pub Date : 2022-06-20 DOI: 10.32454/0016-7762-2020-63-6-95-97
A. Kudryashov
{"title":"Useful publication","authors":"A. Kudryashov","doi":"10.32454/0016-7762-2020-63-6-95-97","DOIUrl":"https://doi.org/10.32454/0016-7762-2020-63-6-95-97","url":null,"abstract":"This article provides a review of the book co-authored by P.A. Ignatov and K.V. Novikov entitled “Field diagnostics of tectonic disturbances and fluid-fracturing formations in kimberlite-containing deposits of the lower Paleozoic” (Mirny: ALROSA, 2019). The book describes a new technique for core sample documentation (along with the conventional technique). The described prospecting wells were drilled within the Nakyn kimberlite field of the Yakutsk diamondiferous province. Of particular interest is the detailed classification and characteristics of tectonic, magmatic, fluid-fracturing and mineralogical features, which contributes to the reliability of kimberlite bodies forecasting. The proposed technique can be used to document core samples from wells of other utility types.","PeriodicalId":33343,"journal":{"name":"Izvestiia vysshikh uchebnykh zavedenii Geologiia i razvedka","volume":"85 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81126858","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Typomorphic features of magnetite from tomtor massif camaphorites 断层状山啡岩磁铁矿标型特征
Izvestiia vysshikh uchebnykh zavedenii Geologiia i razvedka Pub Date : 2022-06-20 DOI: 10.32454/0016-7762-2020-63-6-66-76
L. Baranov, A. V. Tolstov
{"title":"Typomorphic features of magnetite from tomtor massif camaphorites","authors":"L. Baranov, A. V. Tolstov","doi":"10.32454/0016-7762-2020-63-6-66-76","DOIUrl":"https://doi.org/10.32454/0016-7762-2020-63-6-66-76","url":null,"abstract":"Background. The paper presents new data on the material composition and formation conditions of apatite-magnetite rocks (phoscorite and camaphorites) from the Onkuchakh deposit within the Tomtor massif drawing on the study into the typomorphic features of magnetite.Aim. To study the morphology, chemical composition, and relations of magnetite with associated minerals in apatite-magnetite rocks from the Onkuchakh deposit (Tomtor massif).Materials and methods. The study employed core samples measuring 177 m in total length (borehole No. 801, Onkuchakh field, Tomtor massif). In order to determine the composition of recovered minerals, the following instruments were used: JEOL JXA-8230 Electron Probe Microanalyzer (ALROSA, Mirny, Russia); TESCAN MIRA 3 LMU field emission scanning electron microscope equipped with an Oxford Instruments INCA Energy 450+ energy dispersive spectrometer with an XMax-80 detector (ALROSA, Mirny; V. S. Sobolev Institute of Geology and Mineralogy, SB RAS). The measurements were performed according to a standard procedure: accelerating voltage — 20 kV; current — 1 nA; counting time — from 60 s; probe size — 2 μm. Instrument calibration was carried out using a set of characterized artificial compounds and natural minerals; instrument stability was confirmed by measuring Co line intensity.Results. The authors identified the textural and structural features of magnetite ores, as well as ascertaining their relations with the areas of camaphorites characterized by different material composition and host rocks. The impact of superimposed hydrothermal processes was determined. In addition, a detailed morphological characterization was provided for magnetite found to comprise two generations: primary magmatic magnetite and that transformed under the influence of superimposed processes. Finally, representative data on the chemical composition of magnetite were obtained.Conclusion. It is concluded that magnetite is formed through a magmatic process involving crystallization differentiation. The occurrence of noble metal is shown to be related to hydrothermal processes superimposed on magnetite ores. The role of apatite-magnetite ores in the formation of the supergene complex — ferrous phosphate lateritic weathering crusts of the Tomtor massif — is confirmed. It is recommended to consider camaphorites from the Tomtor massif as naturally alloyed iron ores potentially extracted along with a number of valuable components.","PeriodicalId":33343,"journal":{"name":"Izvestiia vysshikh uchebnykh zavedenii Geologiia i razvedka","volume":"40 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89572172","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Principles governing the selection of ore regions for gold deposit search 金矿找矿区选择原则
Izvestiia vysshikh uchebnykh zavedenii Geologiia i razvedka Pub Date : 2022-06-20 DOI: 10.32454/0016-7762-2020-63-6-77-86
Е. М. Nekrasov
{"title":"Principles governing the selection of ore regions for gold deposit search","authors":"Е. М. Nekrasov","doi":"10.32454/0016-7762-2020-63-6-77-86","DOIUrl":"https://doi.org/10.32454/0016-7762-2020-63-6-77-86","url":null,"abstract":"Background. In 2020, the Auditing Chamber of the Russian Federation, based on a representative report by its expert analysts M. Men’ and A. Kaulbars, proposed expanding the search for deposits of a number of metals, including gold. Since the fund of easily discovered gold deposits coming to the surface has been significantly reduced, prospecting of ore regions most promising in terms of gold deposits becomes highly relevant.Aim. In connection with the above task, it seems expedient to outline territories within the currently known gold provinces, where the prerequisites and signs of gold ores could be detected with minimal expenditures for their subsequent verification by drilling.Materials and methods. The study involved calculating the shares of the world’s gold reserves attributable to each type of distinguished deposits located in various rocks. The extensive experience of prospecting work carried out in recent decades and culminated in the discovery of the Muruntau deposit in Uzbekistan, a world leader in the development of gold deposits, and Russian largest and giant deposits – Natalka, Sukholozhskoe, Nezhdaninsky, Degdekansky, Maisky, Oktyabrsky, Pavlik, Kupol, as well as the Bakyrchik deposit in Kazakhstan and others, clearly shows that the most promising and largest deposits are selectively localized in favourable rocks and largescale disjunctive dislocations, or faults. To identify favourable rocks, the distribution of the world’s gold reserves in various rocks was analysed, as well as the distribution of reserves in the areas of the largest deposits in ore-bearing faults as the most favourable fault types containing the most powerful and extended gold ore bodies.Results. A comparison of the shares of reserves has shown that the most promising for prospecting are those rock complexes containing the highest proportions of the world’s gold reserves. The article presents the distribution of shares of the world’s gold reserves for near surface and deep-formed deposits of various types. The main share of the world’s gold reserves in deeply formed deposits is shown to be concentrated in the Phanerozoic strata of sandy-clayey composition and in the interlayers of easily replaceable carbonate and amphibolite shales developed in the Proterozoic quartzite-phyllite rocks. The reserves of near-surface gold-silver and gold-telluride ores are selectively located in the young Mesozoic-Cenozoic volcanic rocks of basalt-andesite composition, accompanied by dikes, subvolcanic stocks and the pipes of explosive breccias with large-scale gold ore bodies confined to them. Thus, the most promising areas for prospecting new deposits are those composed of the mentioned rock complexes and crossed by ore-bearing faults, in the zones of which the main largest ore bodies are concentrated. Conclusion. The conducted study into the distribution of the world’s gold reserves in the deposits of various types, as well as the selective localization of ores in deposits with","PeriodicalId":33343,"journal":{"name":"Izvestiia vysshikh uchebnykh zavedenii Geologiia i razvedka","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81154882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mechanisms for stimulating the implementation of projects in the sphere subsurgery waste handling 刺激实施项目的机制在外科手术领域废物处理
Izvestiia vysshikh uchebnykh zavedenii Geologiia i razvedka Pub Date : 2022-06-20 DOI: 10.32454/0016-7762-2020-63-6-87-94
O. S. Кorobova
{"title":"Mechanisms for stimulating the implementation of projects in the sphere subsurgery waste handling","authors":"O. S. Кorobova","doi":"10.32454/0016-7762-2020-63-6-87-94","DOIUrl":"https://doi.org/10.32454/0016-7762-2020-63-6-87-94","url":null,"abstract":"Background. The generalization of available information on the volumes of mineral resource waste accumulated in Russia and its use presents a relevant research task. In this regard, an analysis of the current level of use of accumulated mineral resource waste, as well as existing approaches to stimulating the involvement of that waste in economic circulation, is required.Aim. To substantiate the introduction of adequate and working mechanisms that would stimulate activities for the implementation of projects in the field of mineral resource waste management.Materials and methods. The present study is based on a systematic analysis of the current Russian regulatory framework in the field of the management of mineral resource waste, relevant scientific publications, as well as the data from the State reports “On the state and protection of the environment of the Russian Federation”.Results. The level of use of the accumulated mineral resource waste, despite its high resource potential, is two times lower than that in economically developed countries. An analysis of the reasons behind the low level of involvement of various types of mineral resource waste in economic circulation is provided. These reasons include the presence of administrative barriers in obtaining the right to use mineral resource waste and the lack of tax benefits and preferences, as well as the absence of mechanisms for obtaining preferential loans for mineral resource users implementing projects for the processing of such waste. The need to improve the current procedure for obtaining the right to use mineral resource waste objects by introducing a relative declarative is indicated. An analysis of the current mechanisms of tax incentives, guarantee, leasing and financial support for companies implementing projects for processing mineral resource waste is carried out. The insufficiency of these mechanisms and the need to provide additional tax benefits and preferences to such entrepreneurs is pointed out, including the introduction of differentiated MET (mineral extraction tax) rates. In addition, the possibility of using “green” financing mechanisms to stimulate the implementation of projects for the processing of man-made deposits, attracting “long” and “cheap” credit resources in the Russian and international debt financing markets, is analysed.Conclusion. Stimulating mechanisms for the implementation of projects in the field of mineral resource waste management are proposed, providing for the introduction of a simplified (declarative) procedure for granting small and medium-sized businesses the right to use mineral resource plots represented by man-made objects without bidding and one-time payments, as well as a differentiated approach to the collection of mineral extraction tax in the development of man-made deposits, and the use of “green” financing approaches to attracting concessional credit resources for the implementation of such projects.","PeriodicalId":33343,"journal":{"name":"Izvestiia vysshikh uchebnykh zavedenii Geologiia i razvedka","volume":"61 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90269460","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Application of machine learning algorithms in predicting pyrolytic analysis result 机器学习算法在预测热解分析结果中的应用
Izvestiia vysshikh uchebnykh zavedenii Geologiia i razvedka Pub Date : 2022-06-19 DOI: 10.32454/0016-7762-2020-63-6-8-19
Thi Nhut Suong Le, A. V. Bondarev , L. Bondareva, A. S. Monakova, A. V. Barshin
{"title":"Application of machine learning algorithms in predicting pyrolytic analysis result","authors":"Thi Nhut Suong Le, A. V. Bondarev , L. Bondareva, A. S. Monakova, A. V. Barshin","doi":"10.32454/0016-7762-2020-63-6-8-19","DOIUrl":"https://doi.org/10.32454/0016-7762-2020-63-6-8-19","url":null,"abstract":"Introduction. Geochemical studies of organic matter in oil source rocks play an important role in assessing oil and gas accumulation in any territory. These studies play a particularly important role in forecasting unconventional resources and oil and gas reserves (so-called shale hydrocarbons). It is recommended to carry out pyrolytic studies by the Rock-Eval method for rocks saturated with organic matter on samples before and after their extraction with chloroform. However, extraction is a laborious and time-consuming process, and the load on laboratory equipment and the time required for analysis is doubled.Aim. To get a working model for predicting pyrolytic parameters of extracted samples, without carrying out extraction analysis.Materials and methods. In this paper, machine learning regression algorithms are applied for predicting one of the pyrolysis parameters of extracted samples based on the pyrolytic analysis results of the extracted and non-extracted samples. To develop the prediction model, 5 different machine learning regression algorithms were applied and compared, including multiple linear regression, polynomial regression, support vector regression, decision tree, and random forest.Results. The prediction result showcases that the relationship between the parameters before and after extraction is complex and non-linear. Some methods have shown their incompatibility with the assigned tasks, others have shown good and satisfactory results. Those algorithms can be applied to predict all geochemical parameters of extracted samples.Conclusions. The best machine learning algorithm for this task is the Random forest.","PeriodicalId":33343,"journal":{"name":"Izvestiia vysshikh uchebnykh zavedenii Geologiia i razvedka","volume":"102 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86329657","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Digital transformations in drive control technology for exploration and mining equipment 勘探和采矿设备驱动控制技术的数字化改造
Izvestiia vysshikh uchebnykh zavedenii Geologiia i razvedka Pub Date : 2022-06-19 DOI: 10.32454/0016-7762-2020-63-6-35-45
M. Y. Krylkov, I. N. Olivetskiy
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引用次数: 3
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