Kazan (Volga region) Federal University, KFU
KAZAN
FEDERAL UNIVERSITY
 
LEARNING ENVIRONMENTS PALEOGEOGRAPHIC SITUATIONS IN EARLY PERMIAN TIME BASED ON PRELIMINARY MAGNETO-MINERALOGICAL INVESTIGATIONS IN THE EXPOSURE DAL?NY TYULKAS (REPUBLIC OF BASHKORTOSTAN)
Form of presentationInternational monographs
Year of publication2017
  • Kosareva Lina Raisovna, author
  • Sungatullina Guzal Marsovna, author
  • Yakunina Polina Georgievna, author
  • Bibliographic description in the original language The analysis of Permian climate and paleogeography can be useful in forecasting of the situation in the future. The exposure characterized the boundary between the Sakmarian and Artinian tiers and represented by intercalation of argillites, siltstones, clays, limestones and sandstones. The paleogeographic studies are conducted with application of magnetic methods. The collection of 24 samples has been selected for carrying out the laboratory magnetic and mineralogical analysis. The complex of methods includes measurements of a magnetic susceptibility, hysteresis methods. The Sakmara stage is characterized by stability of a magnetic susceptibility and remanence coercivity. Throughout an artinsky century the mode of sedimentation is fluctuate because climatic changes have influenced on different nature processes. A possible cause of such changes is the decrease in sea level due to mountain collision. Climate system tended to be more warming with full degradation of the Gondwana glaciatio
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