Excerpt from A Geological Classification of Rocks, With Descriptive Synopses of the Species and Varieties: Comprising the Elements of Practical Geology
One important difference however exists be tween chemical and organized minerals, as to the value which they severally possess in a geolo gical view. From the former, little comparative information is derived respecting the different.
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Destinazione, tempi e costiDa: PBShop.store US, Wood Dale, IL, U.S.A.
PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000. Codice articolo LW-9781333678258
Quantità: 15 disponibili
Da: PBShop.store UK, Fairford, GLOS, Regno Unito
PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000. Codice articolo LW-9781333678258
Quantità: 15 disponibili
Da: Forgotten Books, London, Regno Unito
Paperback. Condizione: New. Print on Demand. This book presents a comprehensive, geological classification of rocks, using a natural arrangement based on geological relations. The author begins by outlining the deciencies of existing mineralogical classications, arguing that they are unnatural and do not account for the most important geological characteristics of rocks. The geological classication system proposed in this book is founded on the most extensive and important afnities of the objects to be arranged, and thus resembles in its principles the classication of plants according to their natural orders. While it teaches the history of rocks as constituents of the earth, it combines with that all that is important of their history as mineral compounds. The author acknowledges that a true and correct geological arrangement is, in fact, at present unattainable, as we are not yet perfectly acquainted with the order and relations of rocks in nature. Nevertheless, this book offers a solid foundation for a perfect geological classication system, providing a useful framework for organizing and understanding the vast array of rocks found on earth. 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. Codice articolo 9781333678258_0
Quantità: Più di 20 disponibili