Practical Geology and Mineralogy: With Instructions for the Qualitative Analysis of Minerals

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John W. Parker, 1841 - 519 páginas
 

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Página 17 - Thou, Lord, in the beginning hast laid the foundation of the earth : and the heavens are the work of thy hands. They shall perish, but thou shalt endure : they all shall wax old as doth a garment; And as a vesture shalt thou change them, and they shall be changed : but thou art the same, and thy years shall not fail.
Página 41 - I do not now maintain, I think it right, as one of my last acts before I quit this Chair, thus publicly to read my recantation. We ought, indeed, to have paused before we first adopted the diluvian theory, and referred all our old superficial gravel to the action of the Mosaic flood.
Página 141 - GEOLOGY is the science which investigates the successive changes that have taken place in the organic and inorganic kingdoms of nature ; it enquires into the causes of these changes, and the influence which they have exerted in modifying the surface and external structure of our planet.
Página 41 - Our errors were, however, natural, and of the same kind which led many excellent observers of a former century to refer all the secondary formations of geology to the Noachian deluge.
Página 344 - I at length found myself,' says he, 'as if placed in a charnel-house, surrounded by mutilated fragments of many hundred skeletons of more than twenty kinds of animals piled confusedly around me : the task assigned me was to restore them all to their original position. At the voice of comparative anatomy, every bone, and fragment of a bone, resumed its place. I cannot find words to express the pleasure I experienced In seeing, as I discovered one character, how all the consequences which I predicted...
Página 333 - Wash, that great triangular area commences which extends over the eastern and southern counties, bounded on the east and south by the sea, and on the west by a line drawn from Hunstanton Cliffs, in Norfolk, to Abbotsbury, on the coast of Dorsetshire.
Página 42 - We ought, indeed, to have paused, before we first adopted the diluvial theory, and referred all our old superficial gravel to the action of the Mosaic flood. For of man, and the works of his hands, we have not yet found a single trace among the remnants of a former world entombed in these ancient deposits.
Página 93 - Weigh the denser body and the compound mass, separately, both in water and out of it ; then find how much each loses in water, by subtracting its weight in water from its weight in air ; and subtract the less of these remainders from the greater. Then say, As the last remainder, Is to the weight of the light body in air, So is the specific gravity of water, To the specific gravity of the body.
Página 42 - For of man, and the works of his hands, we have not yet found a single trace among the remnants of a former world entombed in these ancient deposits. In classing together distant unknown formations under one name ; in giving them a simultaneous origin, and in determining their date, not by the organic remains we had discovered, but by those we expected hypothetically hereafter to discover, in them ; we have given one more example of the passion -with which the mind fastens upon general conclusions,...
Página 294 - Cuvier drew his figures of the recent Sepia with ink extracted from its own body. I have drawings of the remains of extinct species prepared also with their own ink ; with this fossil ink I might record the fact, and explain the causes of its wonderful preservation. I might register the proofs of instantaneous death detected in these ink-bags, for they contain the fluid which the living sepia emits in the moment of alarm...

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