abstract:Quick clay, also known as Leda clay and Champlain Sea clay in Canada, is a unique form of highly sensitive marine clay, with the tendency to change from a relatively stiff condition to a liquid mass when it is disturbed. Undisturbed quick clay resembles a water-saturated gel.
ThatpreventsSpain from constructing super-slowclaycourts, orthe United States from designing lightning-quick hard ones, to suit their own players' preferred styles.
The transition from clay to grass is very quick and Rafael Nadal, Andy Roddick and Novak Djokovic were all caught out at Queen's, while Roger Federer lost to Lleyton Hewitt in Halle.