Boulder Clay (Noun)
Meaning
Unstratified soil deposited by a glacier; consists of sand and clay and gravel and boulders mixed together.
Classification
Nouns denoting substances.
Examples
- The landscape had been shaped by the movement of the glacier, leaving behind a layer of boulder-clay as it retreated.
- Geologists identified the unstratified mixture of sand, clay, gravel, and rocks as a boulder-clay formation typical of glacial deposits.
- The area's unique soil composition, a type of boulder-clay, made it challenging for local farmers to cultivate crops.
- During the construction project, workers encountered a thick layer of boulder-clay that needed to be excavated before foundation work could begin.
- The earth sciences team carefully analyzed samples of the boulder-clay to better understand the region's glacial history.