Morphology and possible genesis of some valleys of Izhora Plateau

Beshok M.M., Nikitin M.Yu.

MORPHOLOGY AND POSSIBLE GENESIS OF SOME VALLEYS OF IZHORA PLATEAU

Relief and Quaternary deposits of the Arctic, Subarctic and North-West Russia. Issue 10.

doi: 10.24412/2687-1092-2023-10-318-333

St. Petersburg State University, St. Petersburg, Russia

Abstract. The study of pull apart type structures (pull-apart, pull-apart basin or depression), which are a near-slip extensional duplex (strike-slip subsidence structures), began in the second half of the 20th century. In other words, it is a landform associated with faulting and displacement. Presumably, the genesis of the closed valleys of the Izhora Plateau can be associated with similar tectonic disturbances with the participation of glacial and karst processes. At the same time, the question of the relationship between these factors in the formation of the plateau topography remains extremely controversial. The authors of this article suggest that tectonic processes played a decisive role in the emergence of a number of structures of the Izhora Plateau.

Keywords: pull-apart, depressions, pull-apart basin, Izhora plateau, closed valley, karst, Kaskovo-Antashi, Hulguzi, Upper Izhora

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Cite this article:

Beshok M.M., Nikitin M.Yu. Morphology and possible genesis of some valleys of Izhora Plateau // Relief and Quaternary deposits of the Arctic, Subarctic and North-West Russia. 2023. Issue 10. P. 318-333. doi: 10.24412/2687-1092-2023-10-318-333