Mineral-geochemical features of the minor river sediments in the interfluve area of the Lo and Kau rivers (Northern Vietnam)
Relevance. Investigations of mineral and chemical composition of river sediments have great meaning in development and improvement of techniques of hydrogeochemical study of minerals and decisions of tasks for normalization of anthropogenous influence on surface and ground water objects. The aim of...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | Russian |
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Tomsk Polytechnic University
2017-11-01
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| Series: | Известия Томского политехнического университета: Инжиниринг георесурсов |
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| Online Access: | http://izvestiya-tpu.ru/archive/article/view/1929 |
| _version_ | 1797812373662203904 |
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| author | Oleg Gennadievich Savichev Victor Alekseevich Domarenko Elena Vladimirovna Peregudina Mikhail Viktorovich Nguyen Van Luyen Mikhail Viktorovich Shaldybin Aleksey Vladimirovich Kanaki |
| author_facet | Oleg Gennadievich Savichev Victor Alekseevich Domarenko Elena Vladimirovna Peregudina Mikhail Viktorovich Nguyen Van Luyen Mikhail Viktorovich Shaldybin Aleksey Vladimirovich Kanaki |
| author_sort | Oleg Gennadievich Savichev |
| collection | DOAJ |
| description | Relevance. Investigations of mineral and chemical composition of river sediments have great meaning in development and improvement of techniques of hydrogeochemical study of minerals and decisions of tasks for normalization of anthropogenous influence on surface and ground water objects. The aim of the research is to estimate mineral and chemical composition in river bottom sediments of the area between the Lo and Kau rivers (Northern Vietnam) as causes and effects of formation of geochemical anomalies in water objects. Methods of the research: mathematical modelling, landscape-geochemical and statistical methods, methods of definition of chemical and mineral composition of river bottom sediments. Results and conclusions. The data on mineral and chemical composition of the Ban Thi, Dai rivers and their tributaries sediments were obtained. The authors have analyzed the interrelations between mineral and chemical composition of river bottom sediments, water extracts from them and river waters. It is shown that concentrations of some chemical elements find the direct ratio to the contents of chlorite and in inverse proportion to the contents of quartz. It is ascertained that carbonate barrier plays the important role in regulation of chemical composition of river waters in the affected area of mining plants associated with the extraction of lead-zinc ores. The authors obtained the approximate estimations of hard sediment particles transport distance (up to 34 km at rain period) and the average time of approximation to saturation of river waters relative to calcite (approximately 9,4 h). The conclusion on the key role of geochemical barriers in formation of geoecological conditions of ore extractions, including decrease of zinc, lead and some other elements concentration in river waters and sediments on the distance up to 10-11 km is proved. |
| first_indexed | 2024-03-13T07:37:30Z |
| format | Article |
| id | doaj.art-410365a1f4aa40a8949d441f8de65db0 |
| institution | Directory Open Access Journal |
| issn | 2500-1019 2413-1830 |
| language | Russian |
| last_indexed | 2024-03-13T07:37:30Z |
| publishDate | 2017-11-01 |
| publisher | Tomsk Polytechnic University |
| record_format | Article |
| series | Известия Томского политехнического университета: Инжиниринг георесурсов |
| spelling | doaj.art-410365a1f4aa40a8949d441f8de65db02023-06-03T21:11:20ZrusTomsk Polytechnic UniversityИзвестия Томского политехнического университета: Инжиниринг георесурсов2500-10192413-18302017-11-013289Mineral-geochemical features of the minor river sediments in the interfluve area of the Lo and Kau rivers (Northern Vietnam)Oleg Gennadievich SavichevVictor Alekseevich DomarenkoElena Vladimirovna PeregudinaMikhail Viktorovich Nguyen Van LuyenMikhail Viktorovich ShaldybinAleksey Vladimirovich KanakiRelevance. Investigations of mineral and chemical composition of river sediments have great meaning in development and improvement of techniques of hydrogeochemical study of minerals and decisions of tasks for normalization of anthropogenous influence on surface and ground water objects. The aim of the research is to estimate mineral and chemical composition in river bottom sediments of the area between the Lo and Kau rivers (Northern Vietnam) as causes and effects of formation of geochemical anomalies in water objects. Methods of the research: mathematical modelling, landscape-geochemical and statistical methods, methods of definition of chemical and mineral composition of river bottom sediments. Results and conclusions. The data on mineral and chemical composition of the Ban Thi, Dai rivers and their tributaries sediments were obtained. The authors have analyzed the interrelations between mineral and chemical composition of river bottom sediments, water extracts from them and river waters. It is shown that concentrations of some chemical elements find the direct ratio to the contents of chlorite and in inverse proportion to the contents of quartz. It is ascertained that carbonate barrier plays the important role in regulation of chemical composition of river waters in the affected area of mining plants associated with the extraction of lead-zinc ores. The authors obtained the approximate estimations of hard sediment particles transport distance (up to 34 km at rain period) and the average time of approximation to saturation of river waters relative to calcite (approximately 9,4 h). The conclusion on the key role of geochemical barriers in formation of geoecological conditions of ore extractions, including decrease of zinc, lead and some other elements concentration in river waters and sediments on the distance up to 10-11 km is proved.http://izvestiya-tpu.ru/archive/article/view/1929Northern Vietnamriver sedimentsmineral and chemical compositionminor riversgeochemical anomalies |
| spellingShingle | Oleg Gennadievich Savichev Victor Alekseevich Domarenko Elena Vladimirovna Peregudina Mikhail Viktorovich Nguyen Van Luyen Mikhail Viktorovich Shaldybin Aleksey Vladimirovich Kanaki Mineral-geochemical features of the minor river sediments in the interfluve area of the Lo and Kau rivers (Northern Vietnam) Известия Томского политехнического университета: Инжиниринг георесурсов Northern Vietnam river sediments mineral and chemical composition minor rivers geochemical anomalies |
| title | Mineral-geochemical features of the minor river sediments in the interfluve area of the Lo and Kau rivers (Northern Vietnam) |
| title_full | Mineral-geochemical features of the minor river sediments in the interfluve area of the Lo and Kau rivers (Northern Vietnam) |
| title_fullStr | Mineral-geochemical features of the minor river sediments in the interfluve area of the Lo and Kau rivers (Northern Vietnam) |
| title_full_unstemmed | Mineral-geochemical features of the minor river sediments in the interfluve area of the Lo and Kau rivers (Northern Vietnam) |
| title_short | Mineral-geochemical features of the minor river sediments in the interfluve area of the Lo and Kau rivers (Northern Vietnam) |
| title_sort | mineral geochemical features of the minor river sediments in the interfluve area of the lo and kau rivers northern vietnam |
| topic | Northern Vietnam river sediments mineral and chemical composition minor rivers geochemical anomalies |
| url | http://izvestiya-tpu.ru/archive/article/view/1929 |
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