Oleksandr Balalaiev. The role of microbiota in paleoecosystems for forming the molecular profile of coals

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Parent Category: Geo-Technical Mechanics, 2020

Category: Geo-Technical Mechanics, 2020, Issue 153

Geoteh. meh. 2020, 153, 48-58

https://doi.org/10.1051/e3sconf/202016800041

 

THE ROLE OF MICROBIOTA IN PALEOECOSYSTEMS FOR FORMING THE MOLECULAR PROFILE OF COALS

¹Oleksandr  Balalaiev

¹Institute of Geotechnical Mechanics named by N. Poljakov of National Academy of Sciences of Ukraine

Language: English

Abstract. Mass deposits of fossil coals can be formed in certain evolution periods of the Earth's biosphere, and they are the result of biogeocenosis functioning. A unique combination of ecological factors leads to the emergence of specific biomes with short trophic chains, an imbalance in the carbon cycle and desynchronization in the flows of substance and energy. The molecular structure of coal is a complex conglomerate of various stable organic compounds of primary and secondary metabolites of biogeocenosis reducers. The molecular profile includes numerous classes of low- and high-molecular organic substances that interact closely with each other. Multiple classes are not endless, the interaction is not chaotic, and their number and relationships are determined by paleoecologic patterns and coalification. Even a small fragment of the profile includes valuable information about the genesis of individual compounds and the biogeochemical situation when forming the coal bed. Microbiota impact does not end with a period of mortmass accumulation, which is never fully mineralized. In the coalification process, favorable environmental conditions may arise for the rebirth of the microorganisms’ lives in coal beds.

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