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Alfred Wegener - Biography, Facts and Pictures

1944 Wegener's theory was consistently championed throughout the 1930s and 1940s by Arthur Holmes, an eminent British geologist and geomorphologist. Holmes had performed the first uranium-lead radiometric dating to measure the age of a rock during his graduate studies, and furthered the newly created discipline of geochronology through his renowned book . Importantly, his second famous book did not follow the traditional viewpoints and concluded with a chapter describing continental drift.

Alfred Wegener proposed the theory of continental drift - the idea that Earth's continents move

1912 Alfred Wegener reproposed the theory of continental drift. He had initially become fascinated by the near-perfect fit between the coastlines of Africa and South America, and by the commonality among their geological features, fossils, and evidence of a glaciation having affected these two separate continents. He compiled a considerable amount of data in a concerted exposition of his theory, and suggested that during the late Permian all the continents were once assembled into a supercontinent that he named Pangaea, meaning 'all Earth'. He drew maps showing how the continents have since moved to today's positions. He proposed that Pangaea began to break apart just after the beginning of the Mesozoic Era, about 200 Ma ago, and that the continents then slowly drifted into their current positions.

Continental Drift Hypothesis - Tectonophysics - Great …





Whilst several notable observers had previously suggested that the continents on opposite sides of the Atlantic Ocean, (most notably, Africa and South America), seemed to be capable of fitting together, the hypothesis that the continents had once formed a single landmass, called Pangaea, before breaking apart and drifting to their present locations was first presented by Alfred Wegener to the German Geological Society on 6 January 1912.

The hypothesis of continental drift was largely developed by the German Alfred Wegener The edges of these plates, where they move against each other, are sites of intense geologic activity, such as earthquakes, volcanoes, and mountain building....

2 From continental drift to plate tectonics 2.1 Continental drift

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