Share this entry
boulder clay Line breaks: boul|der clay

Definition of boulder clay in English:


[mass noun]
Clay containing many large stones and boulders, formed by deposition from melting glaciers and ice sheets.
Example sentences
  • It's a deep, steep-sided ravine formed in Magnesian Limestone and boulder clay.
  • Erosion at Filey Bay is due to the sea and the rain attacking the cliffs, which are made of boulder clay - a mixture of sand, stones, and soil - which becomes soft when wet.
  • A rough stone capping has already been laid on the underlying boulder clay on a 1.5 kilometre section.
Definition of boulder clay in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources

More words in this category

chert elvan flint gabbro gault