quick clay

(redirected from Leda Clay)

quick clay

[′kwik ‚klā]
(geology)
Clay that loses its shear strength after being disturbed.
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References in periodicals archive ?
They should also not live on leda clay which not only increases shaking during an earthquake but may even liquefy causing catastrophic damage.
The Western Quebec Seismic Zone poses a direct risk to infrastructure such as mines, lifelines, critical facilities and the large urban areas of Montreal and Ottawa, where soft glaciomarine sediments (Leda Clay) and aged infrastructure compound seismic risk (Motazedian and Hunter 2008; Rosset and Chouinard 2008).
For example, Leda Clay, deposited in the Champlain Sea during retreat of the Laurentide Ice Sheet 12 000 years ago, underlies parts of several major cities in the St.