Zobrazeno 1 - 10
of 290
pro vyhledávání: '"tonstein"'
Autor:
Alexey V. Vergunov, Andrey A. Novoselov, Elena S. Deeva, Sofia S. Shadrina, Bakhtiyar K. Kenesbayev
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 335, Iss 11 (2024)
Relevance. The necessity to assess the role of altered volcanic ash on the formation of mineral and geochemical characteristics of coal-bearing deposits. Traces of volcanic material in coals are diagnosed mainly in the form of clay horizons – tonst
Externí odkaz:
https://doaj.org/article/1b849f1138f54b8baf809fa50c27330e
Autor:
Zhang, Shuai a, ⁎, Xiu, Wei b, Xi, Hui b, Liu, Linsong b, Sun, Bo c, Teppen, Brian J. d, Liu, Qinfu b
Publikováno v:
In Ore Geology Reviews October 2023 161
Autor:
Alexey V. Vergunov, Sergey I. Arbuzov, Bulat R. Soktoev, Sergey S. Ilenok, Igor Yu. Chekryzhov
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 333, Iss 8, Pp 15-26 (2022)
The relevance of the work is conditioned by the need to clarify the role of pyroclastic material in the formation of coal-bearing deposits and the geochemical background of rare elements in coal. The main aim is to discover the nature of tonstein fr
Externí odkaz:
https://doaj.org/article/a728d66702464be9bf19935f097d5e7a
Akademický článek
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Autor:
Alexey V. Vergunov
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 332, Iss 6, Pp 118-129 (2021)
The relevance of the research is determined by the necessity for assessment of volcanic pyroclastic material impact on formation of geochemical background of rare elements in coal. The main aim of the research is to study the mineralogical and geoche
Externí odkaz:
https://doaj.org/article/81ce0af8cebc4bff8eec8fa2691fcedf
In this study, collected samples of nine different wells from the Middle East are used for various geochemical analyses to determine the hydrocarbon generation potential. The determination is carried out following the grain density, specific surface
Externí odkaz:
https://tubaf.qucosa.de/id/qucosa%3A92593
https://tubaf.qucosa.de/api/qucosa%3A92593/attachment/ATT-0/
https://tubaf.qucosa.de/api/qucosa%3A92593/attachment/ATT-0/
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 329, Iss 8 (2018)
The relevance of the research is caused by the need to find new sources of valuable elements that determine the development of modern innovative economy. Coals and ashes of coals are considered as their perspective source. The study of geochemical ch
Externí odkaz:
https://doaj.org/article/cea7db8727214c27ac94c51d30d9e380
Autor:
Pickert, Enrico, Bräutigam, Tatjana
Der Steckbrief informiert über den ˈPodsol aus Sandsteinˈ. Der ˈPodsol aus Sandsteinˈ zählt zur Bodenklasse der ˈBöden der Berg- und Hügelländerˈ. Er stellt eine typische Bodenform in Sachsen dar. Er ist ein nährstoffarmer Boden, der sich
Externí odkaz:
https://slub.qucosa.de/id/qucosa%3A74420
https://slub.qucosa.de/api/qucosa%3A74420/attachment/ATT-0/
https://slub.qucosa.de/api/qucosa%3A74420/attachment/ATT-0/
Характер гидрослюдизации каолинита тонштейнов Донецкого бассейна в процессе метаморфизма контролируется типом вмещающих углей: норма
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::49274a7fc09931a305d8f40dae3d61c8
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 327, Iss 2 (2017)
Relevance of the work is caused by the necessity to obtain new data on the rare metal potential of Azey coal deposit, to develop the techniques for studying the modes of occurrence elements in coals and wastes of coal combustion, and the possibility
Externí odkaz:
https://doaj.org/article/ab5c3cba58aa47a184c1b0094470f030