boulder clay ExamplesWord Origin noun Geology.
- a glacial deposit consisting chiefly of unstratified clay with embedded boulders.
Origin of boulder clay First recorded in 1855–60 Examples from the Web for boulder clay Historical Examples of boulder clay
Might they not belong merely to the talus of this bank of boulder-clay?
Hugh Miller
But I have since seen in abundance shells of the boulder-clay.
Hugh Miller
Miller was one of the pioneers in the study of the Boulder-Clay.
William Keith Leask
The latter it must be supposed was then removed, to be replaced by the boulder-clay.
W. L. H. Duckworth
I suppose your Boulder-clay in the high grounds will give you no bother.
Marion I. Newbigin
British Dictionary definitions for boulder clay boulder clay noun
- an unstratified glacial deposit consisting of fine clay, boulders, and pebblesSee also till 4