Project Gutenberg 2003-01-01 Public domain in the USA. 151 Darwin, Charles 1809 1882 Darwin, Charles Robert Geological Observations on South America Wikipedia page about this book: https://en.wikipedia.org/wiki/Geological_Observations_on_South_America "Geological Observations on South America" by Charles Darwin is a scientific publication written in the mid-19th century. This work arises from Darwin's extensive geological studies conducted during his travels in South America aboard the HMS Beagle, focusing on the region's geological formations, particularly in relation to the elevation of land and the changes brought about by seismic activity and the sea. At the start of the volume, Darwin lays the groundwork for his observations, highlighting the remarkable geological processes shaping South America. He introduces the theme of land elevation and the presence of various shell fossils found at varying heights above sea level, providing evidence of significant geological changes. The opening chapters detail specific locations along the eastern and western coasts, showcasing Darwin’s meticulous investigation of the geological features, such as step-formed plains and fossilized marine life, and how these observations contribute to understanding the broader geological history of the continent. (This is an automatically generated summary.) Reading ease score: 54.0 (10th to 12th grade). Somewhat difficult to read. en Beagle Expedition (1831-1836) Paleontology Geology -- South America Mollusks, Fossil -- South America QE Text South America Category: Travel Writing Category: Science - Earth/Agricultural/Farming 881008 2025-07-02T08:02:01.328112 text/html 892098 2021-12-12T08:55:11 text/html 393487 2025-07-02T08:02:11.221992 application/epub+zip 395241 2025-07-02T08:02:04.685043 application/epub+zip 373496 2025-07-02T08:02:03.403070 application/epub+zip 739256 2025-07-02T08:02:16.943055 application/x-mobipocket-ebook 714245 2025-07-02T08:02:10.428020 application/x-mobipocket-ebook 681682 2022-09-02T10:52:23.180574 application/x-mobipocket-ebook 862272 2025-07-02T08:02:00.655173 text/plain; charset=us-ascii 862039 2021-12-12T09:01:11 text/plain; charset=us-ascii 19669 2025-07-02T08:02:17.072040 application/rdf+xml 18122 2025-07-02T08:02:03.941053 image/jpeg 4197 2025-07-02T08:02:03.689116 image/jpeg 288244 2021-12-12T09:01:40 application/octet-stream application/zip 291030 2021-12-12T09:02:00 application/octet-stream application/zip 372573 2025-07-02T08:02:01.386078 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia