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Quarterly Journal of Engineering Geology and Hydrogeology
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Quarterly Journal of Engineering Geology and Hydrogeology; 1984; v. 17; issue.3; p. 269-282;
DOI: 10.1144/GSL.QJEG.1984.017.03.10
© 1984 Geological Society of London

Article

A geophysical survey of the Crouch/Roach river system in south Essex with special reference to buried channels

B. W. Conway, D. M. McCann, M. Sarginson* & R. A. Floyd{dagger}

British Geological Survey, , Nicker Hill, Keyworth, Nottingham, NG12 5GG;
* Comap Geosurveys, , Trafford House, Chester Road, Stretford, Manchester, M32 ORS;
{dagger} Floyd and Associates, , Mill of Brux, Kildrummy, Glen Kindie, Aberdeen-shire, AB3 8RX.

A detailed geological and geotechnical survey was carried out in connection with the future development of the South Essex area for a possible third London airport on Maplin Sands. Information on the position of the old buried channels of the Crouch/Roach river system was obtained by carrying out a continuous seismic profiling survey along the present channels of the two rivers. The survey provided information on the depth to the London Clay surface, the thickness and depth of the alluvial deposits, the variation of lithology within these deposits, and the position of some of the buried channels.




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Home page
 Geological Society, London, Engineering Geology Special PublicationsHome page
J. D. Cornwell and D. M. McCann
The application of geophysical methods to the geological mapping of Quaternary sediments
Geological Society, London, Engineering Geology Special Publications, 1991; 7: 519 - 526.
[Abstract] [PDF]