Comparative studies of gravity tectonics in Quaternary sediments and sedimentary rocks related to fold belts.

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Abstract

Two different modes of gravity tectonics have been active as deformation mechanisms in the Quaternary of Denmark, namely 'gravity gliding' and 'gravity spreading'. Examples of gravity gliding can be found in the fairly slowly moving coherent landslides which characterize many coastal cliffs with lithologies intercalated with Tertiary marine clay or Quaternary interglacial clay. The gravity spreading mechanism generated folds and dislocation structures characteristic of glacial tectonics, mainly during the Weichselian glacier advances of the Pleistocene glaciation. Imbricate dislocation structures formed by diapiric rise of water-saturated clay into sand occur. This structure type is proposed to be characteristic for the gravity spreading model.-from Author

Original languageEnglish
Title of host publicationDeformation of sediments and sedimentary Rocks
EditorsM.E. Jones, R.M.F. Preston
PublisherGeological Society of London
Pages165-179
Number of pages15
ISBN (Print)0-632-01733-3
DOIs
Publication statusPublished - 1987
Externally publishedYes

Publication series

SeriesGeological Society Special Publications
Volume29

Programme Area

  • Programme Area 5: Nature and Climate

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