Author: LYELL, CHARLES .
Title: Principles of Geology; or, The Modern Changes of the Earth and its Inhabitants, considered as illustrative of Geology. By Sir Charles Lyell, M.A. F.R.S.
Description: London: John Murray, Albermarle Street, 1850 . 0. "Eighth And Entirely Revised Edition." A very good original binding with all engravings. Thick 8vo. 22.9cm x 15.2cm x 5.9cm. pp.16/pp.811/[1p. - Colophon]. + 12 plates (some folding) . Publisher's original green cloth binding. Gilt image to front board and gilt titles to spine. Edges rubbed and bumped. Spine sunned. Top & tail of spine carefully strengthened. Original yellow endpapers. Engraved armorial bookplate to verso of the front board: "Fothergill". Modern armorial bookplate to front endpaper with motto: "Usque Ad Finem". Engravings lightly foxed, with some off-setting to pages adjacent to the plates, otherwise clean text throughout, with just the odd brown spot. Illustrated throughout with numerous engravings within the text. A very good book. ** Sir Charles Lyell was a geologist whose work helped to found the modern notion of geology and geologic time whilst establishing geology as a seperate science. In his first book, Principles of Geology, (1830) he propounded his theory of uniformitarianism, that the Earth's history can be explained by gradual change over time. He also proposed the idea that different periods of geologic time could be established by reference fossils, he divided geologic time into four periods; Pleistoscene, Older Pliocene, Miocene and Eocene. He also expounded notions on the rock cycle, how one type of rock was transformed into another, volcanic forces, deposition and erosion. Lyell attended William Buckland's (1784-1856) lectures on Geology in1818. He visited Paris in 1823 where he spent 2 months. The scientific influence of Paris was profound for Lyell. He first became aware of the depth and seriousness of French studies on natural history and geology.In 1822 Lyell was called to the bar; and from 1825-1827 he was a practicing barrister. Whilst on circuit he had the opportunity to study the geology of the Southwest of England. In May 1828 he travelled to Europe (some of the journey with Sir Roderick Impey Murchison 1792-1871) going through France and into Italy. In 1830 he made a geological journey to the Pyrenees. In the first edition of his Principles of Geology, (1831) Lyell argued that the natural order of the past was uniform with that of the present; the same physical laws held true and the same kinds of processes occurred. The geologist should, therefore, attempt to explain geological phenomena by analogy with modern processes. The doctrine came to be known as uniformitarianism. Lyell continued to revise Principles of Geology throughout his lifetime and brought out 12 successive editions. He later published Elements of Geology, (1838) in one volume. This first modern textbook of geology assumed that geological phenomena could be explained completely in terms of natural and knowable causes. He developed a warm friendship with Charles Robert Darwin (1809-1882) in 1836, shortly after Darwin's return from the 'Beagle' Voyage. Lyell's theoretical positions even when wrong, were always carefully reasoned; and he showed an extraordinary capacity even into old age to understand the meaning of new evidence and to change his mind. See NAHSTE project.

Keywords: 51022 Fothergill John Murray Usque Ad Finem Principles of Geology Charles Lyell Geologist Frederick Bones Frederic Earl of Chichester Science


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