argillaceous

• With regard, first, to rocks en masse_, if their structure be crystalline, or their composition argillaceous, the effect of the air will, I think, ordinarily, be found injurious. —  On the Old Road, Vol. 2 (of 2) A Collection of Miscellaneous Essays and Articles on Art and Literature
• They are generally argillaceous, and are common upon the Upper Missouri river, and throughout the vast desert regions that lie west of the Del Norte. —  The Boy Hunters
• Dr. Norwood says: "Referring to the 'Subcarboniferous Limestone' (now known as the St. Louis group of the Mississippian series), Dr. Owen says: 'The southern belt of this formation is wonderfully cavernous, especially in its upper beds, which being more argillaceous, and impregnated with earths and alkalies, are disposed to produce salts, which oozing through the pores of the stone effloresce on its surface, and thus tend to disintegrate and scale off, independent of the solvent effects of the carbonated water. —  Cave Regions of the Ozarks and Black Hills
• This soil, which is highly argillaceous, and strongly tinged with tritoxyde of iron, is formed by the decomposition of gneiss or granite rocks. —  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;.
• THE LOWER OOLITES.--Above the Lias comes a complex series of partly arenaceous and argillaceous, but principally calcareous strata, of which the following are the more important groups: a, The Inferior Oolite (_Terrain Bajocien of D'Orbigny), consisting of more than 200 feet of oolitic limestones, sometimes more or less sandy; b, The Fuller's Earth_, a series of shales, clays, and marls, about 120 feet in thickness; c, The Great Oolite or Bath Oolite (_Terrain Bathonien of D'Orbigny), consisting principally of oolitic limestones, and attaining a thickness of about 130 feet. —  The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science

Allen's Synonyms and Antonyms

Used in the Same Context