02339cam a22003133u 4500 34350 UtSlPG 20260610133802.0 m cr n 260607r2010||||utu|||||o|||||||||||||| d 05015499 UtSlPG en iso639-1 QE Lyell, Charles, Sir, 1797-1875 A Manual of Elementary Geology : or, The Ancient Changes of the Earth and its Inhabitants as Illustrated by Geological Monuments Salt Lake City, UT : Project Gutenberg, 2010 1 online resource : multiple file formats text txt rdacontent computer c rdamedia online resource cr rdacarrier Release date is 2010-11-17 Produced by Julia Miller, Iris Schröder-Gehring and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/American Libraries.) "A Manual of Elementary Geology" by Sir Charles Lyell is a scientific publication written in the mid-19th century. This work serves as a foundational guide for understanding geology, focusing on the ancient changes of the Earth and its inhabitants as illustrated by geological monuments. The book is designed to assist students and enthusiasts in comprehending how natural processes have shaped the planet's geological structure over vast periods. The opening of the manual establishes the essential framework for geology, defining the science and describing the various classes of rocks based on their origin and age. Lyell discusses the distinction between aqueous and volcanic rocks, explaining how each type forms and their respective characteristics. He emphasizes the gradual changes that have occurred in the Earth's crust, highlighting the importance of fossils and stratification in understanding the history of our planet and its life forms. This introductory portion sets the stage for a detailed exploration of geological principles and phenomena that Lyell aims to elucidate in the subsequent chapters. (This is an automatically generated summary.) Original publication data not identified Geology https://www.gutenberg.org/ebooks/34350 75196 75196