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Texture of the main genetic types of clay rocks (according to data obtained by magnetic anisotropy)

Texture des Principaux Types de Roches Argileuses (D’Apres les Resultats Obtenus au Moyen de L’anisotropie Magnetique)

Summary

The principles of the genetic classification of clay rock textures of different genesis which has been made on the data obtained by magnetic anisotropy method are presented. A qualitative evaluation of clay rock textures of marine, lacustrine, alluvial, talus and eluvial genesis is described. According to the mechanism of their formation the textures are distinguished as follows: coagulative, uncoagulative, accumulative and hypergene. A given geometric model and quantitative indices of texture are correlated with qualitative characteristics of texture ascertained from lithology and sedimentary petrography.

Résumé

Les auteurs proposent les principes d’une classification génétique des textures des roches argileuses de diverses origines, établie à partir des résultats de measures d’anisotropie magnétique. Ils présentent une description qualitative des textures des roches argileuses de genèse marine, lacustre, éluviale, alluviale, et des formations de pentes. Ils distinguent, d’après le mécanisme de formation des textures, les classes suivantes: coagulante, non coagulante, accumulative et hypergène. Ils établissent une corrélation entre un modèle géométrique de texture (correspondant à certains indices quantitatifs) et les caractéristiques qualitatives de textures connues en lithologie et en pétrographie sédimentaire.

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Osipov, Y.B., Sokolov, B.A. Texture of the main genetic types of clay rocks (according to data obtained by magnetic anisotropy). Bulletin of the International Association of Engineering Geology 11, 23–26 (1975). https://doi.org/10.1007/BF02635446

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Keywords

  • Clay
  • Magnetic Anisotropy
  • Particle Orientation
  • Clay Rock
  • Random Texture