An earthy fossiliferous limestone occurring widely in England in a thin formation of Jurassic age.
〔地质〕粗石灰质沙土
Example sentencesExamples
In the sandy bed of the spring can be found tiny fossils shaped like stars, which are constantly being freed from the fossil-bearing cornbrash below by the action of the spring water, which then carries them up to the surface.
This is the most complete section of exposed Cornbrash along the Dorset coast.
Cornbrash is a variety of limestone underlying the local gravels already extracted.