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Abstract <p>In the northwestern part of the Onega structure, at the southeastern margin of the Baltic Shield, dislocations previously attributed to slump folds were identified in the sand unit and described in detail. It was established that these formations form a paragenesis of deformation structures in soft sediments. Possible hypotheses for their formation are discussed and a seismogenic model is presented.</p>

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Dislocations in Late Pleistocene Loose Deposits of the Onega Structure as a Result of Seismic Impacts

  • 期刊论文

  • 发表日期：

    2025年10月1日

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  • A. V. Poleshchuk,
  • D. S. Zykov,
  • A. O. Agibalov,
  • K. M. Sedaeva,
  • A. A. Sentsov

摘要

Abstract

In the northwestern part of the Onega structure, at the southeastern margin of the Baltic Shield, dislocations previously attributed to slump folds were identified in the sand unit and described in detail. It was established that these formations form a paragenesis of deformation structures in soft sediments. Possible hypotheses for their formation are discussed and a seismogenic model is presented.