Petralogy, Vol. 2

Petralogy, Vol. 2 : A Treatise on Rocks (Classic Reprint)

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Excerpt from Petralogy, Vol. 2: A Treatise on Rocks Such were the reasons for the preference of this arbitrary term to any other arbitrary term; and as it cannot be too Often repeated that the chief use of any system of natural history is to assist the memory, it will perhaps be dificult to find a term less Obj actionable; at least, though the plan has been deeply reconsidered for many years, none such has arisen to the author: but perhaps candid disquisition, and literary collision, may produce some more appropriate appellation, which he would be the first to adapt, having no view but the advancement of the science. Even in lithology and metal logy, Names Will be found preferable to the Groups or Fa milies of the Wernerians, denominations chiefly belonging to animated nature; and the clear metallic divisions of Thom son, Alloys, Sulphurets, Oxyds, and Salts, may well be styled Nomes for the term being arbitrary there can be no ob jection to its Occasional introduction even under Domains which are substantial. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at 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 more

Product details

  • Paperback | 688 pages
  • 152 x 229 x 35mm | 903g
  • Forgotten Books
  • United States
  • English
  • , black & white illustrations
  • 0243268033
  • 9780243268030