14 life lessons you wish you had learned in college but probably didnât Ben Carlson weighs in on money, work, health and other lessons you might have missed. Crate & Barrel CEO Doug Diemoz leaves the company Crate & Barrel's CEO Doug Diemoz has left the company, a spokesperson confirmed with MarketWatch.
Summary. The theory of continental drift was the first step toward plate tectonic theory, which became the foundation upon which modern geology is built. This module describes how the work of Alfred Wegener, Harry Hess, and others led to our understanding of plate tectonics. It explains plate tectonics as the driving force behind ongoing changes on Earth.
This idea was basically the same as that proposed by Holmes over 30 years earlier, but now there was much more evidence to further develop and support the idea. To learn more about the current theories which describe the mechanisms behind continental drift go to the Plate Tectonics: The Mechanism page.