As he read, his earlier conjecture that the continents had once been joined became a conviction he would boldly champion for the rest of his life.
Just a few months later, on January 6, , Wegener startled a meeting of the Geological Association in Frankfurt with his radical theory. Dismissing the concept of sunken land bridges, he proposed instead a grand vision of drifting continents and widening seas to explain the evolution of Earth's geography.
Four nights later he made a similar presentation to the Society for the Advancement of Natural Science in Marburg, Germany. Just two weeks earlier, he had written his future father-in-law, eminent climatologist Wladimir Koppen, "if it turns out that sense and meaning are now becoming, evident in the whole history of the Earth's development, why should we hesitate to toss the old views overboard? At the time of publication, it represented the best available science.
Alfred wegener continental drift theory tagalog
Subscribe to our newsletters. He taught meteorology at Marburg and Hamburg and was a professor of meteorology and geophysics at the University of Graz from to He died during his last expedition to Greenland in Like certain other scientists before him, Wegener became impressed with the similarity in the coastlines of eastern South America and western Africa and speculated that those lands had once been joined together.
In about he began toying with the idea that in the late Paleozoic Era about million years ago all the present-day continents had formed a single large mass, or supercontinent , which had subsequently broken apart. Wegener called this ancient continent Pangaea. Wegener first presented his theory in lectures in and published it in full in in his most important work, Die Entstehung der Kontinente und Ozeane The Origin of Continents and Oceans. He searched the scientific literature for geological and paleontological evidence that would buttress his theory, and he was able to point to many closely related fossil organisms and similar rock strata that occurred on widely separated continents, particularly those found in both the Americas and in Africa.
By his theory had been rejected by most geologists, and it sank into obscurity for the next few decades, only to be resurrected as part of the theory of plate tectonics during the s. You are using an outdated browser. Please upgrade your browser to improve your experience and security.
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