boulder clay
a glacial deposit consisting chiefly of unstratified clay with embedded boulders.
Origin of boulder clay
1Words Nearby boulder clay
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use boulder clay in a sentence
The U-shaped character of the valleys was very pronounced, while boulder-clay obtruded itself everywhere on our notice.
The Home of the Blizzard | Douglas MawsonThat there might be several deposits of the boulder-clay with intervening strata, does not appear to have been suggested.
Prehistoric Man | W. L. H. Duckworth(B) The ‘sub-boulder-clay’ skeleton, discovered near Ipswich in 1911, was in an extraordinarily contracted attitude.
Prehistoric Man | W. L. H. DuckworthThe boulder clay of Germany is supposed to have accumulated underneath this vast "mer de glace," as he calls it.
The History of the European Fauna | R. F. ScharffThe deposits immediately preceding the Forest-Bed would also be contemporaneous with the lower continental boulder clay.
The History of the European Fauna | R. F. Scharff
British Dictionary definitions for boulder clay
an unstratified glacial deposit consisting of fine clay, boulders, and pebbles: See also till 4
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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