Равновесия содовых подземных вод угленосных отложений Нарыкско-Осташкинской площади (Кузбасс) с минералами вмещающих пород; Вестник Томского государственного университета; № 390
| Parent link: | Вестник Томского государственного университета/ Национальный исследовательский Томский государственный университет (ТГУ).— , 1998- № 390.— 2015.— [С. 211-217] |
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| Summary: | Заглавие с экрана На примере подземных вод Нарыкско-Осташкинской площади центральной части Кузбасса приводятся результаты расчета равновесий с наиболее распространенными карбонатными и алюмосиликатными минералами вмещающих пород, наиболее часто встречающихся в геологическом разрезе изучаемой территории. Показано, что воды неравновесны с первичными (эндогенными) минералами, которые они и растворяют, но в то же время равновесны с глинами и карбонатами, которые осаждаются из вод. In this article, on the example of the groundwater of Naryksko-Ostashkinskaya area of the central part of Kuzbass, are given the geological structure, hydrogeological features, chemical composition of waters and results of calculation of equilibrium with the most common carbonate and aluminosilicate minerals of containing rocks most spread in the geological section of the studied territory. In the Naryksko-Ostashkinskaya territory there is a direct vertical hydrodynamic division according to the intensity of water exchange into two distinct zones: the active and slowed-down water exchange. Water of both zones differ in chemical and gas composition and submit to direct vertical hydrogeochemical zoning. Of particular interest is the slowed-down water exchange zone, not only its higher salinity (from 1 and less often 0.4-1.2 to 10-19, g/l), but also the composition of water. It is almost universally soda water (HCO 3-Na), characteristic for all Kuzbass with a pH of 7.5 to 9.9. Thermodynamic calculations of water showed non-equilibrium with primary (endogenous) minerals which they dissolve, but at the same time equilibrium with clays and carbonates that precipitate in water. Almost all water is supersaturated with respect to calcite and siderite, to dolomite and magnesite in part. Therefore, in these conditions feldspars, pyroxene, epidote and hornblende are actively dissolved, i.e. primary minerals which are unstable in these conditions and respectively act as a source of Ca, Mg, Na, Fe, K, Si, Al, etc. Water is in equilibrium with albite because of high value of рН and high concentration of Na, therefore, it does not dissolve it. Thus, water filtered through rocks dissolves endogenous minerals (except albite) which are not in equilibrium and is enriched respectively with Na, Ca, Mg, K, Si, Al and other elements. Some elements are out of the solution immediately and become secondary deposits: oxides and hydroxides, clays, carbonates which do not dissolve under these conditions but are formed. |
| Sprog: | russisk |
| Udgivet: |
2015
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| Serier: | Науки о земле |
| Fag: | |
| Online adgang: | http://dx.doi.org/10.17223/15617793/390/35 |
| Format: | MixedMaterials Electronisk Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=647983 |
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| 200 | 1 | |a Равновесия содовых подземных вод угленосных отложений Нарыкско-Осташкинской площади (Кузбасс) с минералами вмещающих пород |d Equilibrium of soda groundwater of coal beds of Naryksko-Ostashkinskaya area (Kuzbass) with minerals of containing rocks |f Е. В. Домрочева, О. Е. Лепокурова | |
| 203 | |a Текст |c электронный | ||
| 225 | 1 | |a Науки о земле | |
| 300 | |a Заглавие с экрана | ||
| 320 | |a [Библиогр.: с. 216 (12 назв.)] | ||
| 330 | |a На примере подземных вод Нарыкско-Осташкинской площади центральной части Кузбасса приводятся результаты расчета равновесий с наиболее распространенными карбонатными и алюмосиликатными минералами вмещающих пород, наиболее часто встречающихся в геологическом разрезе изучаемой территории. Показано, что воды неравновесны с первичными (эндогенными) минералами, которые они и растворяют, но в то же время равновесны с глинами и карбонатами, которые осаждаются из вод. | ||
| 330 | |a In this article, on the example of the groundwater of Naryksko-Ostashkinskaya area of the central part of Kuzbass, are given the geological structure, hydrogeological features, chemical composition of waters and results of calculation of equilibrium with the most common carbonate and aluminosilicate minerals of containing rocks most spread in the geological section of the studied territory. In the Naryksko-Ostashkinskaya territory there is a direct vertical hydrodynamic division according to the intensity of water exchange into two distinct zones: the active and slowed-down water exchange. Water of both zones differ in chemical and gas composition and submit to direct vertical hydrogeochemical zoning. Of particular interest is the slowed-down water exchange zone, not only its higher salinity (from 1 and less often 0.4-1.2 to 10-19, g/l), but also the composition of water. It is almost universally soda water (HCO 3-Na), characteristic for all Kuzbass with a pH of 7.5 to 9.9. Thermodynamic calculations of water showed non-equilibrium with primary (endogenous) minerals which they dissolve, but at the same time equilibrium with clays and carbonates that precipitate in water. Almost all water is supersaturated with respect to calcite and siderite, to dolomite and magnesite in part. Therefore, in these conditions feldspars, pyroxene, epidote and hornblende are actively dissolved, i.e. primary minerals which are unstable in these conditions and respectively act as a source of Ca, Mg, Na, Fe, K, Si, Al, etc. Water is in equilibrium with albite because of high value of рН and high concentration of Na, therefore, it does not dissolve it. Thus, water filtered through rocks dissolves endogenous minerals (except albite) which are not in equilibrium and is enriched respectively with Na, Ca, Mg, K, Si, Al and other elements. Some elements are out of the solution immediately and become secondary deposits: oxides and hydroxides, clays, carbonates which do not dissolve under these conditions but are formed. | ||
| 461 | |t Вестник Томского государственного университета |f Национальный исследовательский Томский государственный университет (ТГУ) |d 1998- | ||
| 463 | |t № 390 |v [С. 211-217] |d 2015 | ||
| 510 | 1 | |a Equilibrium of soda groundwater of coal beds of Naryksko-Ostashkinskaya area (Kuzbass) with minerals of containing rocks |z eng | |
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a подземные воды | |
| 610 | 1 | |a Кузбасс | |
| 610 | 1 | |a Нарыкско-Осташкинская площадь | |
| 610 | 1 | |a вмещающие породы | |
| 700 | 1 | |a Домрочева |b Е. В. |g Евгения Витальевна | |
| 701 | 1 | |a Лепокурова |b О. Е. |c геолог |c профессор Томского политехнического университета, доктор геолого-минералогических наук |f 1980- |g Олеся Евгеньевна |3 (RuTPU)RU\TPU\pers\32567 |9 16488 | |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет |b Институт природных ресурсов |b Кафедра гидрогеологии, инженерной геологии и гидрогеоэкологии |3 (RuTPU)RU\TPU\col\18664 |9 27117 |
| 801 | 2 | |a RU |b 63413507 |c 20160429 |g RCR | |
| 856 | 4 | |u http://dx.doi.org/10.17223/15617793/390/35 | |
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