No polishing of sandstone will reveal the mottling of marble.
The rocks of the Jason may be seen in any quarry of Warwickshire sandstone.
Quartz, sandstone and the granites are of low cementing value.
If the layers were of sand, the rock is sandstone; if of clay, it is shale.
It is found associated with sandstone, which contains many fossils.
It is described in the ...