A Manual Of Elementary Geology
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A Manual Of Elementary Geology
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Author : Sir Charles Lyell
language : en
Publisher:
Release Date : 1852
A Manual Of Elementary Geology 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 1852 with Geology categories.
A Manual Of Elementary Geology
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Author : Charles Lyell
language : en
Publisher: CreateSpace
Release Date : 2015-07-01
A Manual Of Elementary Geology written by Charles Lyell and has been published by CreateSpace this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-07-01 with categories.
The Ancient Changes of the Earth and its Inhabitants as Illustrated by Geological Monuments
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."
A Manual Of Elementary Geology
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Author : Charles Lyell
language : en
Publisher:
Release Date : 1852
A Manual Of Elementary Geology written by Charles Lyell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1852 with Geology categories.
The Student S Lyell
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Author : Sir Charles Lyell
language : en
Publisher:
Release Date : 1896
The Student S Lyell 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 1896 with Geology categories.
Manual Of Elementary Geology
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Author :
language : en
Publisher:
Release Date : 1855
Manual Of Elementary Geology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1855 with categories.
A Manual Of Elementary Geology
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Author : Charles Lyell
language : en
Publisher: Forgotten Books
Release Date : 2017-09-15
A Manual Of Elementary Geology written by Charles Lyell and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-15 with Science categories.
Excerpt from A Manual of Elementary Geology: Or the Ancient Changes of the Earth and Its Inhabitants He was soon informed by Mr. Logan, at that time engaged in the geological survey of Canada, that the white sandstone above Montreal was really much older than the Old Red, or Devonian. It had in fact been ascertained many years before, by the State surveyors of New York (who called it the Potsdam to lie at the base of the whole Silurian series. As such it had been pointed out to me in 1841, in the valley of the Mohawk, by Mr. James Hall, * and its position was correctly described by Mr. Emmons, on the borders of Lake Champlain, where I examined it in 1842. It has there the character of a shallow water deposit, ripple-marked throughout a considerable thickness, and full of a species of Lingula. The flat valves of this shell, of a dark color, are so numerous, and so arranged in horizontal layers, as to play the part of mica, causing the rock to divide into laminae, as in some micaceous sandstones. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Manual Of Elem Geology
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Author : Charles Sir Lyell, 1797-1875
language : en
Publisher: Wentworth Press
Release Date : 2016-08-29
Manual Of Elem Geology written by Charles Sir Lyell, 1797-1875 and has been published by Wentworth Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-08-29 with History categories.
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A Manual Of Elementary Geology Or The Ancient Changes Of The Earth And Its Inhabitants
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Author : Charles Lyell
language : en
Publisher: Nabu Press
Release Date : 2013-12
A Manual Of Elementary Geology Or The Ancient Changes Of The Earth And Its Inhabitants written by Charles Lyell and has been published by Nabu Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12 with categories.
This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book.