Definition of boulder clay in English:

boulder clay

Line breaks: boul|der clay

noun

[mass noun]
Clay containing many large stones and boulders, formed by deposition from melting glaciers and ice sheets.
More 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:

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