Definitionadj. relating to or containing or resembling silica
Last update: July 29, 2015
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In many parts, particularly in the eastern basin, a calcareous or siliceous crust, from half an inch to three inches in thickness, is met with; and Natterer suggested that the formation of this crust may be due to the production of carbonate of ammonium where deposits containing organic matter are undergoing oxidation, and the consequent precipitation of carbonate of lime and other substances from the waters nearer the surface. [Please select]
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These sands, in a state of greater or less division, and agglutinated by siliceous or calcareous cements, form the rocks called sandstones. [Please select]
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These siliceous bodies belong partly to the lowly vegetable organisms which are called Diatomaceæ, and partly to the minute and extremely simple animals, termed Radiolaria. [Please select]
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The siliceous part of it may be used in forming spicules. [Please select]
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In other specimens of siliceous calculi there was a specific gravity of 3. [Please select]
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Siliceous skeletons of _chara_ and filamentous algæ were also found upon a close examination in some of these molds. [Please select]
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The line of demarkation between the limestone matrix, where this still exists in part, and the siliceous filling is as distinct as that between the stone and brick in a building. [Please select]
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On the wall, placed there in adding to its height, were a broken taro pestle and a very dense siliceous rock, of high specific gravity, and filled with olivines. [Please select]
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