Meanings of argillaceous limestone in English

A whitish cherty limestone, with nodules of bluish argillaceous limestone.

Fossiliferous argillaceous limestone, containing traces of lead sulphide.

In a gully a short distance farther up the river, and underlying these, was exposed a stratum of an impure or argillaceous limestone.

At Port Famine much of the clay-slate is calcareous, and passes either into a mudstone or into grauwacke, including odd-shaped concretions of dark argillaceous limestone.