How To Use siliceous In A Sentence
- The summit of Crystal Head is of flat tabular form; and the sides, which are both steep and rugged, are covered with stunted trees and high grass, now quite dry: the geology of this part is principally of siliceous sandstone; and on the beach we found large detached water-worn masses of the same rock, incrusted with quartz and epidote in a crystallized state. Narrative of a Survey of the Intertropical and Western Coasts of Australia Performed between the years 1818 and 1822 — Volume 1
- These siliceous sand-rocks are either held together by a siliceous cement, or have a greater or less portion of clay in them, which in some acts as a cement to the siliceous crystals, but in others is in such great abundance that in burning them they become an imperfect porcelain and are then used to repair the roads, as at Chesterfield in Derbyshire; these are called argillaceous grit by Mr. Kirwan. The Botanic Garden A Poem in Two Parts. Part 1: the Economy of Vegetation
- This siliceous substance, viewed in one direction, or longitudinally, may be considered as columnar, prismatical, or continued in lines running nearly parallel. Theory of the Earth~ Part 2 (historical)
- Slices incorporate oceanic pelagic and hemipelagic lithologies such as chert, siliceous, calcareous and tuffaceous mudstone, limestone, and siliceous and calcareous shale.
- Many beds of siliceous gravel are cemented together by a siliceous cement, and are called breccia; as the plumb-pudding stones of The Botanic Garden A Poem in Two Parts. Part 1: the Economy of Vegetation
- Heath forest is found on well-drained acidic soils (pH lass than 4) with a low clay content, derived from siliceous rocks under ever-wet conditions. Sundaland heath forests
- The Lower Carboniferous and lowermost Upper Carboniferous stratigraphic sequence is composed of the Culm siliceous shales, the Culm siliceous limestones, the Culm limestones and the upper black shales.
- Oscar Schmidt has already pointed this out in the siliceous sponges and keratose sponges; and I, in my monograph, in three volumes, on the Calcareous Freie wissenschaft und freie lehr. English
- The carnelian is a siliceous stone and a species of chalcedony. The Catholic Encyclopedia, Volume 14: Simony-Tournon
- A short drift and crosscut were driven off the back of the cavity in search of ore, but only low-grade mineralization consisting of chalcopyrite, galena, and sphalerite in a siliceous gangue was encountered.