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LOWER DEVONIAN FORMATIONS OF TRAINING GEOLOGICAL GROUND OF SIBERIAN UNIVERSITIES IN KHAKASSIA: STRUCTURE FEATURES, MAPPING AND CORRELATION PRINCIPLES

N. A. Makarenko, A. D. Kotelnikov, I. V. Kotelnikova

Tomsk State University, Tomsk, Russia

The most typical features of all Lower Devonian stratons of the Siberian Universities training ground in Khakassia were studied. The role of vulcanites with basic structure in adjacent stratigraphic sequences was estimated. Litho- and biostratigraphic horizon markers traced on the strike have been characterized for the first time and their relative borders under friable quaternary deposits have been drawn. Variants of regional and detailed correlation of Shirinsko-Marchengash and Matarak-Shunet sections were given. Individual and general features of the Lower Devonian formations have been revealed, the main types of the Early Devonian sedimentogenesis within the studied territory were marked, the hypothesis of possible presence of unidentified correlation markers, both in training ground territory, and beyond its boundaries has been made.

Keywords: training ground, Shirinsko-Marchengash and Matarak-Shunet sections, the Lower Devonian deposits, litho- and biostratigraphic markers, sections correlation, sedimentation types.

DOI 10.20403/2078-0575-2018-1-14-23