NOUN
- unstratified soil deposited by a glacier; consists of sand and clay and gravel and boulders mixed together
How To Use boulder clay In A Sentence
- Where it was melting a huge pile of boulder clay was built up, as a terminal moraine.
- He informs me that the ground below Dublin consists predominantly of boulder clay.
- The calcareous clays, such as East Anglian boulder clay, are alkaline and therefore will not suit azaleas or rhododendrons.
- Their floors are covered by sheets of boulder clay.
- He informs me that the ground below Dublin consists predominantly of boulder clay.
- Following one of the biggest landslips on the Yorkshire coast this century, more than one million tonnes of earth had slipped from the top of the 150 ft cliff to the bottom - due to the effect of the prolonged rain on the soft boulder clay.
- In the Lagan Valley the boulder clay is often covered by later glacial deposits.
- But most of the surface is covered by a thin sheet of boulder clay.
- But the residents say development will come within 70 ft of the edge of the boulder clay cliff and will be only 30 to 50 ft above the first tier of houses.
- The calcareous clays, such as East Anglian boulder clay, are alkaline and therefore will not suit azaleas or rhododendrons.