There is however another species of schistus, forming also the same sort of mountain; it is the micaceous quartzy schistus of the north of Scotland.
The mountains, which then separate these rivers from the plain, are composed of schistus and great collections of water-worn gravel which had come from the mountains of the Pyrénées.
It is more common for those mountains of primary strata or schistus to rise up in ridges, which, though divided into great pyramids, may still be perceived as connected in the direction of their erected strata.
Footnote 16: I have the most satisfactory evidence of this fact, in finding the schistus of Galloway and of England in the opposite coast of Ireland, corresponding to its direction in stretching from the coasts of Britain.
This however is not the case in the pudding-stone of the schistus mountains, for, where there is granite in the neighbourhood, there is also granite in the pudding-stone.
We then pursued the coast southwards until we found the junction of the schistus and sand-stone strata about two miles from Eymouth; but here the junction was not attended with any pudding-stone that we could perceive.
I have been examining the south alpine country of Scotland, occasionally, for more than forty years back, and I never could find any mark of an organised body in the schistus of those mountains.
The schistus mountains of Cumberland were, in this respect, as perfect primitive mountains as any upon the earth, before this observation; now they have no claim upon that score, no more than any limestone formed of shells.
We found the junction of that schistus with the red sand-stone and marly strata on the shore and sea bank, at St. Helens, corresponding in general with what we had observed in the burns to the westward.
With this view I have often considered our schistus mountains, both in the north and south; but I never found any satisfactory appearance from whence conclusions could be formed, whether for the question or against it.
It is upon occasion of describing one of the species of alpine stone or schistus which contains quartzy particles.
The fragments of the schistus in this rock are similar to that which forms the cliff first spoken of.
In riding over it in various directions, I observed it to be composed of argillaceous schistus in almost every gradation, migrating from the compact blue slate into micaceous schistus.
The country, as we proceeded, gradually became more mountainous, and abounded with argillaceousschistus very full of quartz.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "schistus" in a variety of sentences. We hope that you will now be able to make sentences using this word.
