Why should the schist pendant of the Tappock chamber be all right, if the claystone pendant of Dunbuie be all wrong?
At Senafe, hills of trachyte passing into claystone and basalt were observed by Mr. Blanford, but it is not clear what are their relations to the plateau-basaltic sheets.
A still more recent group of volcanic rocks appears to occur in the neighbourhood of Senafe, consisting of amorphous masses of trachyte, often so fine-grained and compact as to pass into claystone and to resemble sandstone.
The same easily carved claystone was in great request among the Haida Indians of the Queen Charlotte Islands for their idols, and for ornamental gorgets and utensils of various kinds.
The imitative faculty thus manifested so generally among a people still in the condition of savage life, shows itself no less strikingly in the modern claystone carvings of objects of foreign introduction.
This is specially apparent in the claystone pipes of the Chimpseyans, in carving which they rival the ingenious Haidahs of the Queen Charlotte Islands in exuberance of detail.
The same characteristics have already been referred to in describing the claystone carvings of the Chimpseyans.
They are carved out of a soft blue claystone or slate, from which also bowls, platters, and other utensils are made, decorated with native legendary symbols and other devices.
The tufaceous stratum on which this feldspathic lava rests is much hardened, stained purple, and has a spherico-concretionary structure; it here contains a good many pebbles of claystone porphyry.
Here and there are idol figures, of grotesque and monster forms, carved from wood and the red claystone of the desert.
We see them light their claystone pipes, and send forth clouds of blue vapour.
Many of the hills composed of claystone are neatly devoid of vegetation; their surface being bare and smooth, and of a red or black colour.
In some parts of India, the claystone contains numerous small nodules or lumps of clay iron-stone, which seldom exceed the size of a walnut.
The lowest, which they called the Lower Member, is predominantly "gray to very dark gray mudstone, siltstone, claystone and gray carbonaceous sandstone.
The upper part of the Sillem Member is a mudstone and claystone unit.
Bentonite is present in some claystone beds and causes sloughing because of its property of expanding when wet.
The rocks included within the Bullpen Member are layered sequences of red, pink, gray, and green claystone and mudstone.
This probably refers to a paragraph (page 232) "On the Eruptive Sources of the Porphyritic Claystone and Greenstone Lavas.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "claystone" in a variety of sentences. We hope that you will now be able to make sentences using this word.
