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Quarterly Journal of Engineering Geology and Hydrogeology
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Quarterly Journal of Engineering Geology and Hydrogeology; 1968; v. 1; issue.3; p. 155-168;
DOI: 10.1144/GSL.QJEG.1968.001.03.02
© 1968 Geological Society of London

Article

The microstructure of London Clay

John Stephen Tchalenko, PH.D., F.G.S.

Department of Civil Engineering, Imperial College of Science and Technology, Imperial Institute Road, London S W 7.

The microstructure of London Clay from several localities and depths was examined in thin section under the polarizing microscope. Except where severely weathered the clay was found to have a strong preferred particle orientation and frequent microscopic discontinuities. These features are compared with those observed in the study of some other clays. The microstructure of an artificially sedimented and consolidated sample of London Clay helps us to understand the origin of the microstructures observed in the natural specimens.