Moscow University Geology Bulletin

, Volume 73, Issue 3, pp 229–237 | Cite as

Estimation of the Deformation Value in Terrigenous Rocks by the Random Cross-Section Method (Belaya River, Northern Slope of the Greater Caucasus)

  • I. V. LatyshevaEmail author
  • A. B. Kirmasov


The deformation value in the Lower and Middle Jurassic terrigenous rocks from the valley of the Belaya River (the northern slope of the Greater Caucasus) is quantified by the morpholology of the cleavage zones. The numeral determination of the axis ratios of the deformation ellipses by the Fry method is performed as well. It is shown that for a statistical sample of the random cross-sections of the thin sections in the terrigenous rocks with cleavage structure the deformation value can be estimated correctly. The method of random cross-sections described in this work can be used for the quantitative estimation of deformation in nonoriented samples of terrigenous rocks.


cleavage strain analysis value of shortening deformation Fry method terrigenous rocks the Greater Caucasus 


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© Allerton Press, Inc. 2018

Authors and Affiliations

  1. 1.Institute of GeologyRussian Academy of SciencesMoscowRussia
  2. 2.Department of GeologyMoscow State UniversityMoscowRussia
  3. 3.TOO KaztsinkUst KamenogorskKazakhstan

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