Soils formed from claystone, shale, sandstone, and mudstone are found west of Meeker, and in the Colorado River valley near Rifle.    From Wordnik.com.  [Ecoregions of Colorado (EPA)] Reference

Olean Till, glacial outwash, glacial lake deposits, and Recent alluvium partly overlie gently dipping Devonian age sandstone, siltstone, claystone, and shale.    From Wordnik.com.  [Ecoregions of Delaware, Maryland, Pennsylvania, Virginia, and West Virginia (EPA)] Reference

The layer of sandstone with quartzite intrusions and interlayered with claystone, conglomerate and Mesozoic dykes of diorite, was cracked by tectonic movements and then dissected and eroded for 220 million years.    From Wordnik.com.  [Canaima National Park, Venezuela] Reference

These hills are associated primarily with the resistant claystone and sandstone of the Eocene-age Tallahatta Formation, and are part of the rugged, north-facing escarpment or cuesta that extends into the middle of Alabama.    From Wordnik.com.  [Ecoregions of Mississippi (EPA)] Reference

This island, from what little I saw of it, appears to be composed of a reddish indurated claystone, very hard, portions of it having evidently been under the action of fire; near the water-side were strong indication of iron, some of the small boulders near the beach had large quantities of iron in their composition.    From Wordnik.com.  [Narrative of an expedition undertaken for the exploration of the country lying between Rockingham Bay and Cape York] Reference

The walls are hung with hideous shapes and skins of wild beasts; in which ever way I turn, I am attracted by odd shapes, such as the fierce visage of the grizzly bear, the white buffalo and panther; while interspersed among the horns of the cimmaron, elk and bison, are grim idols carved from the red claystone of the desert.    From Wordnik.com.  [Seven and Nine years Among the Camanches and Apaches An Autobiography] Reference

In the latter river a greenish-gray fissile claystone.    From Wordnik.com.  [Transactions of the American Philosophical Society] Reference

We see them light their claystone pipes, and send forth clouds of blue vapour.    From Wordnik.com.  [The Scalp Hunters] Reference

The country rock is a greenish gray claystone often much cross-fissured and in places slightly talcose.    From Wordnik.com.  [Transactions of the American Philosophical Society] Reference

The doctor drew out his great meerschaum, Gode filled a red claystone, while Seguin and I lit our husk cigarettes.    From Wordnik.com.  [The Scalp Hunters] Reference

Why should the schist pendant of the Tappock chamber be all right, if the claystone pendant of Dunbuie be all wrong?.    From Wordnik.com.  [The Clyde Mystery a Study in Forgeries and Folklore] Reference

Here and there are idol figures, of grotesque and monster forms, carved from wood and the red claystone of the desert.    From Wordnik.com.  [The Scalp Hunters] Reference

The fossils were discovered by a Chinese geologist in 1978 embedded in bands of blue-gray and red claystone at the base of a hill.    From Wordnik.com.  [billingsgazette.com] Reference

The boron and lithium mineralization is contained in a strata-bound formation that is a combination of a claystone unit and a volcanic tuff.    From Wordnik.com. Reference

At Recol I found a very solid black claystone, and a dark greenish porous shale, both of them characterized by minute white grains scattered through the mass.    From Wordnik.com.  [Transactions of the American Philosophical Society] Reference

In the savana the horse-trail is worn sometimes a foot deep into the ash-gray calcareous claystone, here occasionally seamed with white sti-eaks of earthy lime.    From Wordnik.com.  [Transactions of the American Philosophical Society] Reference

And when our decree came to be executed we turned those cities upside down, and we rained down upon them blocks of claystone one after another, marked16 by thy Lord himself.    From Wordnik.com.  [The Koran (Al-Qur'an)] Reference

In some cases it is nearly a pure chlorite; and by following the same line of strike to Dajao it can be seen to change gradually to a claystone varying in color through all the shades of black, gray, gi-een, brown and rusty.    From Wordnik.com.  [Transactions of the American Philosophical Society] Reference

A true coarse conglomerate or breccia, which by every step in a slow gradation passes into a fine claystone-porphyry; the pebbles and cement becoming porphyritic till at last all is blended in one compact rock.    From Wordnik.com.  [More Letters of Charles Darwin — Volume 1] Reference

A species of claystone (slightly phosphoritic) which is found irregularly disposed in company with a few pieces of trap-rocks, amongst which, on approaching Sana from the southward, basalt is found to preponderate.    From Wordnik.com.  [The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c.] Reference

On this view of there being a tendency in the old points of eruption to become the points of subsequent injection and disturbance, and consequently of denudation, it ceases to be surprising that the streams of lava in the porphyritic claystone conglomerate formation, and in other analogous cases, should most rarely be traceable to their actual sources. ".    From Wordnik.com.  [More Letters of Charles Darwin — Volume 2] Reference

The low hills of Caimitos, which unite Santo CeiTO with the higher hills on the Verde, are made up in great part of a still higher set of beds, here a yellowish-white calcareous claystone or marl, with a marked northern dip; and on the Rio Verde itself, although the brown shales occur in the low bluffs where the road crosses it, the gravel in its bed contains corals like those from the north face of the Samba Hills, and which have evidently been washed out of limestone beds to the west.    From Wordnik.com.  [Transactions of the American Philosophical Society] Reference

Red claystone.    From Wordnik.com.  [The Material Culture of Pueblo Bonito] Reference

"pendant," but Dr. Munro rejects a "pear-shaped" claystone "pendant" decorated with "cup-shaped indentations," found at Dunbuie.    From Wordnik.com.  [The Clyde Mystery a Study in Forgeries and Folklore] Reference