TONSTEINS AND THEIR ROLE IN THE FORMATION OF THE PETROGRAPHIC COMPOSITION OF COALS
The tonsteins were found in the coal seams of all divisions of the Carboniferous deposits of the Donbas. They are thin clay interlayers of kaolinite composition and, according to most researchers, are of volcanic origin. The object of this study is the tonsteins of the Lower Carboniferous deposits o...
Збережено в:
Дата: | 2022 |
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Автори: | , |
Формат: | Стаття |
Мова: | English |
Опубліковано: |
Institute of Geological Sciences, NAS of Ukraine
2022
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Онлайн доступ: | http://geojournal.igs-nas.org.ua/article/view/257499 |
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Назва журналу: | Geological journal |