“IRONSTONE” на російській мові

It is a shale-hosted flint, passing northward into marine shale and southward into marine clay ironstone .

Twenty thousand pounds in investment money had produced twelve tons of sugar; the soils were mainly ironstone and gravel entirely unsuitable for the growth of cane or anything else.

For those who would visualize Adobe Walls as a hardscrabble place, it should be noted that the restaurant run by Mrs. Olds served its food on imported white English ironstone dishes.

A syngenetic origin of sulphides was suggested by early workers, mainly based on the stratiform and stratabound occurrence of the sulphides in ironstone .

Keith tells Richard how the limestone of Wenlock Edge was a key factor in the Industrial Revolution because it was used to extract iron from the ironstone .