ON THE GEOLOGICAL HISTORY OF THE FORMATION OF THE ANGREN DEPRESSION AND BURY COAL DEPOSIT
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Abstract
The article considers the epochs during which the modern features of the structure of the Angren depression and the kaolin-brown coal deposit of the Central Asian Lower Mesozoic coal province were formed. The history of the geological development of the region covers periods from the late Paleozoic to the Mesozoic-Cenozoic. Great changes in the geological history of development occurred in the Hercynian tectonic cycle. During the period of tectonic movements, as well as the post-volcanic activity of paleo-volcanoes, a large, isometric depression basin was formed in the region, the inherited development of which contributed to the formation of a powerful coal complex and created conditions for the conservation of the deposit. The maximum subsidence occurred in the middle part of the depression, where up to 20-25 m of total coal thickness was deposited.
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References
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