Theory of Continental Drift | Physical Geography
1910 American physicist and glaciologist Frank Bursley Taylor proposed the concept of 'continental drift' to explain the apparent geological continuity of the American Appalachian mountain belt (extending from Alabama to Newfoundland) with the Caledonian Mountains of NW Europe (Scotland and Scandinavia), which now occur on opposite sides of the Atlantic Ocean.
Be able to explain the continental drift hypothesis
There are several variables capable of changing earth’s climate, including the following: Plate tectonics (continental drift), changes in earth’s orbit (Milankovitch cycles), changes in solar output (sun spots and solar flares), volcanism, asteroid, comet and meteoroid impacts, as well as changes in the composition of the atmosphere (i.e. the greenhouse effect).
This idea foundgreat favor with some scientists who claimed that the shifting of the continentscan be simply explained by a large increase in size of the Earth since itsformation.
Scientific Method: The Continental Drift Hypothesis …
Continental drift was hotly debated off and on for decades following Wegener'sdeath before it was largely dismissed as being eccentric, preposterous,and improbable.
Continental Drift Theory & Seafloor Spreading - Unacademy
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.
what is the hypothesis of continental drift? | Yahoo …
Wegener suggested that mountains were formed when the edge of a drifting continent collided with another, causing it to crumple and fold. For example, the Himalayas were formed when India came into contact with Asia.
Hypothesis of Continental Drift- Theory of Plate …
1920-1960 A range of geophysical arguments was used to contest Wegener's theory. Most importantly, the lack of a mechanism strong enough to 'drive continents across the ocean basins' seriously undermined the credibility of his ideas. The theory of continental drift remained a highly controversial idea.
Infographic: The Continental Drift Theory - KIDS DISCOVER
Some of the geographical evidence collected in the last part of the 20th century to support the theory of the continental drift is the discovery of plate tectonics Hess and Deitz modified the theory called "Sea-floor Spreading".