Excerpt from Elements of Geology: A Text-Book for Colleges and for the General Reader
The growth of geologic science makes it imperative in a work like this, designed as a general treatise and for advanced students, to discuss some of the current problems and the new theories. Just now this is especially true, as changing views on the physical side of the science relating particularly to the earth's origin are unsettling some long-accepted theories (see pp. 88, 296). The teacher should not blame the book of he finds that a few interrogations have been taken the place of supposed facts. The theory of earth-genesis is fundamental to so many physical problems that the change in that important theory will mark a new epoch in the development of the science.
It has been necessary to largely rewrite some sections of the book and to insert several new topics. Few changes, however, have been made in the text where not required by advancing knowledge; and the spirit and style of the revered author have been held as the model.
Acknowledgement of assistance on special subjects is due to many friends, especially as follows: To John M. Clarke, Palæozoic invertebrates; David White, Palæozoic and Triassic plants; T. W. Stanton, Postpalæozoic invertebrates; C. R. Eastman, fishes; F. E. Lucas, reptiles and mammals; C. E. Dutton, earthquakes; C. R. Van Hise, metamorphism; T. C. Chamberlin, earth-genesis, etc.
For new illustrations thanks are tendered to many individuals to whom credit is generally given in the titles; to Macmillan & Co. for the use of several figures from the works on Palæontology by A. S. Woodward and Karl A. von Zittel; to A. P. Brigham and G. K. Gilbert for contribution on illustrations from Brigham's Text-Book of Geology and Gilbert and Brigham's Physical Geography.
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Excerpt from Elements of Geology: A Text-Book for Colleges and for the General Reader
I have confined myself mostly, though not entirely, to American geology, especially in giving the distribution of the rocks and the physical geography of the different periods. In only one case have I made American geology subordinate, viz., in the J ura-trias period, and that only because of the meagerness of the record of this period in this country.
About the Publisher
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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.
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Paperback. Condición: New. Print on Demand. This engaging volume explores the multifaceted world of aqueous agencies, their critical role in shaping our planet, and their profound impact on the landscapes we see today. By studying rivers, oceans, and ice, the author reveals the intricate processes of erosion, transportation, and deposition that are constantly at work around us. The book situates these processes within a broader historical and literary context, demonstrating how they have influenced both the physical environment and human civilization. The author delves into the complex relationship between water and the land, examining the impressive canyons and waterfalls that have been carved by rivers over millennia, and highlighting the role of wind in sculpting deserts and shaping coastlines. Through vivid descriptions and illuminating examples, the author conveys the dynamic nature of water's erosive power and its significance in shaping the Earth's diverse geological formations. This book offers a captivating and accessible exploration of the fascinating interplay between water and the planet we inhabit. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Nº de ref. del artículo: 9781330296813_0
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Paperback. Condición: Brand New. 660 pages. 8.43x5.85x0.73 inches. This item is printed on demand. Nº de ref. del artículo: zk1330296818
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