He suggested that new sea floor forms at the oceanic ridges and spread outwards from the line of origin.
Sea floor spreading definition geography.
The concept of seafloor spreading was put forward by h harry hess an american geologist.
He suggested that continents moved around the earth like giant rafts.
Further he claimed that continents would be pushed aside by the same forces that cause the ocean to grow.
World war ii gave scientists the tools to find the mechanism for continental drift that had eluded wegener.
Oceanography compound of the greek words ὠκεανός meaning ocean and γράφω meaning write also known as oceanology is the study of the physical and biological aspects of the ocean it is an important earth science which covers a wide range of topics including ecosystem dynamics.
Seafloor spreading definition a process in which new ocean floor is created as molten material from the earth s mantle rises in margins between plates or ridges and spreads out.
Geography and other reference data is for informational purposes only.
Plate tectonics and the geology of the sea.
Seafloor spreading theory that oceanic crust forms along submarine mountain zones and spreads out laterally away from them.
Sea floor spreading synonyms sea floor spreading pronunciation sea floor spreading translation english dictionary definition of sea floor spreading.
Fellow scientists at the time thought the theory was ludicrous.
This idea played a pivotal role in the development of the theory of plate tectonics which revolutionized geologic thought during the last quarter of the 20th century.
Maps and other data gathered during the war allowed scientists to develop the seafloor spreading hypothesis this hypothesis traces oceanic crust from its origin at a mid ocean ridge to its destruction at a deep sea trench and is the mechanism for continental drift.
Alfred wegener a german meteorologist born in 1880 developed the idea of continental drift.
Spreading rate is the rate at which an ocean basin widens due to seafloor spreading.
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The mid atlantic ridge for instance separates the north american plate from the eurasian plate and the south american plate from the african plate the east pacific rise is a mid ocean ridge that runs through the eastern pacific ocean and separates the pacific plate from the north american.
The concept of sea floor spreading.
This information should not be considered complete up to date and is not intended to be.
Seafloor spreading occurs along mid ocean ridges large mountain ranges rising from the ocean floor.
Plate tectonics theory convection currents and sea floor spreading.