boulder clay

noun Geology.

a glacial deposit consisting chiefly of unstratified clay with embedded boulders.

Words nearby boulder clay

boulangerie, boulangerite, boulangism, boulder, boulder canyon, boulder clay, boulder dam, bouldering, boule, boules, bouleuterion

Origin of boulder clay

First recorded in 1855–60

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for boulder clay

Probably some may have been derived, as Wahnschaffe has suggested, from denudation of boulder-clay.
Fragments of Earth Lore|James Geikie
Mr. Mackintosh refers to the so-called “stratification” of the boulder-clay, as if that were a proof of accumulation in water.
Fragments of Earth Lore|James Geikie
That 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
Rough tors and crags are smoothed off, while boulder-clay nestles on the lee-side.
Fragments of Earth Lore|James Geikie

The climatic reasons for the supposition that the boulder-clay is a marine deposit have already been given (p. 66).
The History of the European Fauna|R. F. Scharff

British Dictionary definitions for boulder clay

boulder clay

noun

an unstratified glacial deposit consisting of fine clay, boulders, and pebblesSee 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

boulder clay

noun Geology.

Content related to boulder clay

Words nearby boulder clay

Origin of boulder clay

Examples from the Web for boulder clay

British Dictionary definitions for boulder clay

noun