Definition of boulder clay in English:

Share this entry

boulder clay

noun

[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.

For editors and proofreaders

Line breaks: boul|der clay

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.