Geological Magazine, Volume 3

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Henry Woodward
Cambridge University Press, 1866
 

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Página 332 - THE GEOLOGY OF PENNSYLVANIA: A Government Survey; with a General View of the Geology of the United States, Essays on the Coal Formation and its Fossils, and a Description of the Coal-Fields of North America and Great Britain.
Página 65 - It affords no presumption against the reality of this progress, that, in respect of man, it is too slow to be immediately perceived. The utmost portion of it to which our experience can extend, is evanescent, in comparison with the whole, and must be regarded as the momentary increment of a vast progression, circumscribed by no other limits than the duration of the world. Time performs the office of integrating the infinitesimal parts of which this progression is made up; it collects them...
Página 178 - ... shorter duration than those of the lower parts of the animal kingdom, and thus carry with them the greatest weight in questions of geological time ; still it appears to me that there is nothing in the fossil contents of the Devonian beds which is conclusive against the idea of their occupying a position between the top of the Old Red Sandstone and the base of the Coalmeasures. I have also just been indebted to Professor W. King, of Galway, for the sight of a paper, by Professor James Hall, of...
Página 263 - Rutland limestone is not bedded, at least not evidently, it checks and cracks in all directions on exposure to the weather (see figure 14). The rock is, nevertheless, very hard, and erosion proceeds but slowly. Under the lens very large ooliths, or pisoliths, appear, from a quarter of an inch to half an inch in diameter, but no traces of organic remains were discovered. The total thickness of these rocks, as exposed at Rutland bridge, is about twenty feet. SAINT LOUIS LIMESTONE. Exposures of rock...
Página 172 - Of singular merit for its clearness and trustworthy character."— Standard. GEOLOGY FOR GENERAL READERS. A Series of Popular Sketches in Geology and Palaeontology. By the Same. Third Edition, enlarged. 6s. " This is one of the best of Mr Page's many good books. It is written in a flowing popular style. Without illustration or any extraneous aid, the narrative must prove attractive to any intelligent reader."— Geological Magazine.
Página 310 - To me it seems that to look on the first land that was ever lifted above the waste of waters, to follow the shore where the earliest animals and plants were created when the thought of God first expressed itself in organic forms, to hold in one's hand a bit of stone from an old sea-beach, hardened into rock thousands of centuries ago, and studded with the beings that once crept upon its surface or were stranded there by some retreating wave, is even of deeper interest to men than the relics of their...
Página 118 - ... producing a bituminous matter instead of coal or lignite. This operation is not attributable to heat, nor of the nature of a distillation, but is due to chemical reactions at the ordinary temperature, and under the normal conditions of climate.
Página 194 - The leading idea which is present in all our researches, and which accompanies every fresh observation, the sound which to the ear of the student of Nature seems continually echoed from every part of her works is — Time...
Página 524 - Royal Institution. This advice he followed, and he also studied with Mr. Richard Phillips, FRS In 1825. he was elected a Fellow of the Geological Society of London, and in the same year he read his first paper on " The Geological Formation of the North-west extremity of Sussex, and the adjoining parts of Hants and Surrey...
Página 139 - The quartz, which constitutes a narrow vein, does not appear to contain the slightest speck of galena, or of any other substance, except a small quantity of specular iron ore; and the unaltered appearance of the latter is such as to preclude the supposition of the lead having been derived from galena, or other...

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