Plate tectonics, based mostly towards the earlier than idea of continental drift proposed by Alfred Wegener is most probably pretty much the most critical geological theories ever formed. This essay aims to buy custom essays online assessment the evolution of the strategy mostly mainly because it has progressed from Wagener’s run on the existing buy custom essays online.
Continental drift principle
This principle was espoused by Alfred Wegener in 1912. In accordance to Torsvik & Cocks (2012), Wegener, a German meteorologist came up with the proposal that all the continents initially formed a single super-continent which he called Pangea, which was surrounded by a vast ocean called Panthalassa. This supercontinent later drifted apart forming the current day continents. Wegener’s primarily buy custom essays online primarily based his theory around the similarity between the coastlines on opposite sides belonging to the Atlantic Ocean. He further expanded his concept round the premise that Permian flora as well as carboniferous fossils were found in South Africa, South America, India, Madagascar, Australia and Eastern Antarctica only and nowhere else leading him to hypothesize that these continents, now separated by oceans, were at one particular point joined together. Wegener hypothesized that the continents consist mostly of lighter rocks resting on heavier crustal materials and that their relative position is not fixed, but are slowly moving at the rate of approximately a yard per century. He therefore postulated a lateral movement of continents (Torsvik & Cocks, 2012) buy custom essays online.