lecture_2 - LECTURE 2: THE ICE AGE THEORY EARLY THEORIES TO...

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LECTURE 2: THE ICE AGE THEORY EARLY THEORIES TO EXPLAIN LARGE ERRATIC BLOCKS 1815 - “Rollstein” or mudflow theory (von Buch, von Humboldt, Sefström) 1823 - Diluvium theory (Buckland) 1833 - Drift theory (Lyell, Darwin, Holmholtz), originated with Wrede (1804) CONCLUSION : Few early theorists had experience with modern glaciers. DISCOVERY OF THE “ICE AGE” IN EUROPE 1787 - Kuhn, a Swiss minister, attributes erratic boulders near Grindelwald to glacier contraction. 1795 - Hutton, English geologist, publishes Theory of the Earth in which he describes how ice may have transported granite boulders into the Jura Mountains. 1815 - Perraudin, a Swiss mountaineer and hunter, argues that glaciers had at one time extended well into the Val de Bagnes in the Alps. 1823 - Goethe, a German poet, takes not of findings by scientists of erratics on the North German Plains and publishes the novel Wilhelm Meister in which he promotes the idea of “Eiszeit” or ice age. 1824 - Esmark, a Norwegian naturalist, argues that the glaciers of
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Norway had once been more extensive. 1829 - Venetz, a Swiss engineer, argues that glaciers once covered the Jura and Swiss plain 1834 - Charpentier argues that glaciers were more extensive in southeastern France 1837 - Agassiz, a Swiss zoologist and president of the Swiss Society of Natural Sciences, presents a lecture explaining the origin of erratics by glacier transport and three years later publishes Studies on glaciers and presents a lecture to the London Geological Society entitled
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This note was uploaded on 07/25/2008 for the course GLG 412 taught by Professor Larson during the Spring '08 term at Michigan State University.

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lecture_2 - LECTURE 2: THE ICE AGE THEORY EARLY THEORIES TO...

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