An Elementary Geology
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Elementary Geology
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Author : Edward Hitchcock
language : en
Publisher:
Release Date : 1842
Elementary Geology written by Edward Hitchcock and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1842 with Geology categories.
Class Book Of Elementary Geology
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Author : Frederick Wollaston Hutton
language : en
Publisher:
Release Date : 1875
Class Book Of Elementary Geology written by Frederick Wollaston Hutton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1875 with Geology categories.
An Elementary Geology
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Author : Ebenezer Baldwin Andrews
language : en
Publisher: Legare Street Press
Release Date : 2022-10-27
An Elementary Geology written by Ebenezer Baldwin Andrews and has been published by Legare Street Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-10-27 with categories.
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
An Elementary Text Book Of Geology
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Author : William Jerome Harrison
language : en
Publisher:
Release Date : 1889
An Elementary Text Book Of Geology written by William Jerome Harrison and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1889 with Geology categories.
An Elementary Treatise On Mineralogy And Geology
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Author : Parker Cleaveland
language : en
Publisher:
Release Date : 1822
An Elementary Treatise On Mineralogy And Geology written by Parker Cleaveland and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1822 with Geology categories.
Elementary Geology
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Author : Ralph Stockman Tarr
language : en
Publisher: New York : The Macmillan Company ; London : Macmillan & Company, Limited
Release Date : 1897
Elementary Geology written by Ralph Stockman Tarr and has been published by New York : The Macmillan Company ; London : Macmillan & Company, Limited this book supported file pdf, txt, epub, kindle and other format this book has been release on 1897 with Geology categories.
A Manual Of Elementary Geology Or The Ancient Changes Of The Earth And Its Inhabitants
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Author : Sir Charles Lyell
language : en
Publisher:
Release Date : 1851
A Manual Of Elementary Geology Or The Ancient Changes Of The Earth And Its Inhabitants written by Sir Charles Lyell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1851 with Geology categories.
A Manual Of Elementary Geology The Ancient Changes Of The Earth And Its Inhabitants As Illustrated By Geological Monuments
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Author : Sir Charles Lyell
language : en
Publisher: Library of Alexandria
Release Date : 1854
A Manual Of Elementary Geology The Ancient Changes Of The Earth And Its Inhabitants As Illustrated By Geological Monuments written by Sir Charles Lyell and has been published by Library of Alexandria this book supported file pdf, txt, epub, kindle and other format this book has been release on 1854 with Geology categories.
In the preliminary chapters of "The Principles of Geology," in the first and subsequent editions, I have considered the question, how far the changes of the earth's crust in past times confirm or invalidate the popular hypothesis of a gradual improvement in the habitable condition of the planet, accompanied by a contemporaneous development and progression in organic life. It had long been a favourite theory, that in the earlier ages to which we can carry back our geological researches, the earth was shaken by more frequent and terrible earthquakes than now, and that there was no certainty nor stability in the order of the natural world. A few sea-weeds and zoophytes, or plants and animals of the simplest organization, were alone capable of existing in a state of things so unfixed and unstable. But in proportion as the conditions of existence improved, and great convulsions and catastrophes became rarer and more partial, flowering plants were added to the cryptogamic class, and by the introduction of more and more perfect species, a varied and complex flora was at last established. In like manner, in the animal kingdom, the zoophyte, the brachiopod, the cephalopod, the fish, the reptile, the bird, and the warm-blooded quadruped made their entrance into the earth, one after the other, until finally, after the close of the tertiary period, came the quadrumanous mammalia, most nearly resembling man in outward form and internal structure, and followed soon afterwards, if not accompanied at first, by the human race itself. The objections which, in 1830, I urged against this doctrine, in so far as relates to the passage of the earth from a chaotic to a more settled condition, have since been embraced by a large and steadily increasing school of geologists; and in reference to the animate world, it will be seen, on comparing the present state of our knowledge with that which we possessed twenty years ago, how fully I was justified in declaring the insufficiency of the data on which such bold generalizations, respecting progressive development, were based. Speaking of the absence, from the tertiary formations, of fossil Quadrumana, I observed, in 1830, that "we had no right to expect to have detected any remains of tribes which live in trees, until we knew more of those quadrupeds which frequent marshes, rivers, and the borders of lakes, such being usually first met with in a fossil state." I also added, "if we are led to infer, from the presence of crocodiles and turtles in the London clay, and from the cocoa-nuts and spices found in the isle of Sheppey, that at the period when our older tertiary strata were formed, the climate was hot enough for the Quadrumana, we nevertheless could not hope to discover any of their skeletons, until we had made considerable progress in ascertaining what were the contemporary Pachydermata; and not one of these has been discovered as yet in any strata of this epoch in England."
Elementary Geology
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Author : Edward Hitchcock
language : en
Publisher:
Release Date : 1847
Elementary Geology written by Edward Hitchcock and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1847 with Geology categories.
An Elementary Treatise On Mineralogy And Geology
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Author : Parker Cleaveland
language : en
Publisher:
Release Date : 1822
An Elementary Treatise On Mineralogy And Geology written by Parker Cleaveland and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1822 with Science categories.