It took more than 50 years for Wegener’s theory to be accepted. One of the reasons was that it was difficult to work out how whole continents could move. It was not until the 1960s that evidence ...

Discoveries of the Mid-Ocean Ridge and the work of Harry Hess and others led to the development of plate tectonics. Though not without problems, this theory has gained wide acceptance. It is the ...

Discoveries of the Mid-Ocean Ridge and the work of Harry Hess and others led to the development of plate tectonics. Though not without problems, this theory has gained wide acceptance. It is the ...

Scientific, cultural and legal definitions of continental and oceanic regions ... The scientific theory of plate tectonics became widely accepted during the 1960s. A plate is about 100 kilometres ...