The Hartwig, G. (Georg) 1813-1880 creator text utu 2016 monographic en 1 online resource : multiple file formats "The Subterranean World" by Dr. George Hartwig is a scientific publication written in the late 19th century. The book aims to explore the wonders and phenomena of the underground world, focusing on how subterranean forces have shaped our planet and human life over time. It discusses geological processes, the existence of various minerals, fossils, and features like caves, volcanoes, and their related impacts on human civilization. The opening portion introduces the concept that nature showcases its marvels not only above ground but profoundly beneath the Earth's surface, where a range of fascinating and sometimes destructive events transpire. It highlights the relationship between water and subterranean heat, outlining how geological formations are created and transformed over eons through these interactions. The author emphasizes the rich history contained within the Earth's strata, noting the role of fossils in illustrating the evolution of life, and introduces specific geological concepts that will be elaborated on in subsequent chapters. (This is an automatically generated summary.) Geological revolutions -- Fossils -- Subterranean heat -- Subterranean upheavals and depressions -- Subterranean waters and artesian wells -- Volcanoes -- Destruction of Herculaneum and Pompeii -- Gas springs and mud volcanoes -- Earthquakes -- The great earthquake of Lisbon -- Landslips -- On caves in general -- Cave rivers -- Subterranean life -- Caves as places of refuge -- Hermit caves; rock temples; rock churches -- Ice-caves and wind-holes -- Rock tombs and catacombs -- Caves containing remains of extinct animals -- Subterranean relics of prehistoric man -- Troglodytes or cave-dwellers; cannibal caves -- Tunnels -- On mines in general -- Gold -- Silver -- Copper -- Tin -- Iron -- Lead -- Mercury -- The new metals -- Coal -- Bituminous substances -- Salt -- Sulphur -- Amber -- Miscellaneous mineral substances used in the industrial arts -- Celebrated quarries -- Precious stones. Release date is 2016-07-01 Produced by KD Weeks, Chris Curnow and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) Original publication data not identified Geology Mines and mineral resources Caves QE Original publication data not identified 17019337 https://www.gutenberg.org/ebooks/52466 https://www.gutenberg.org/ebooks/52466 UtSlPG 260607 20260610134217.0 52466