For further information see the articles Chalk; greensand; Wealden.
It consists of a dark blue marl, sometimes intermixed with greensand.
In 1848 he advocated the use of phosphate nodules in the "greensand" beds of Cambridgeshire.
Here and there the greensand forms prominent hills, as that on which the town of Shaftesbury stands.
Shankland or greensand, “a triple alternation of sands and sandstones with clay;” 2.
I whipped the little pony on, and he began to trot down a cutting in the greensand, through which leads the station road.
The sandstones and clays known as the greensand and Gault constitute its lower or shallow-water member.
On the east we have the Nubian sandstone, with hard limestone above it geologically coeval with our greensand.
You probably wonder why these red cliffs are called greensand.
It consists of a bluish-black clay mixed with greensand, which underlies the Upper greensand.