Lacustrine limestone | A soil type described by Tom Stevenson as ‘a freshwater limestone that forms at the bottom of lakes. Lacustrine limestone soils have been found on Pelee Island and the Niagara district of Ontario, Yakima Valley in Washington [State], and Quincy in the Loire Valley.’

Bibliography

Tom Stevenson (2011) The Sotheby’s Wine Encyclopedia 5th Edition by Tom Stevenson (Dorling Kindersley, 2011), p.18.