FTP, name this theory with a name coined by Alfred Wegener, that claims that the Pangaea super-continent existed by describing the motions of large land masses.
This idea received some experimental support in the 1950's, when Heezen's echo-sounding profiles revealed a surprising result partly explained by an idea of Harry Hess. Magnetite data explained by this theory were also partly explained by a since-discredited rival theory called polar wandering. Initially proposed by Frank Taylor in 1908, this idea combines with the principle of seafloor spreading in the theory of plate tectonics, which superseded it. FTP, name this theory with a name coined by Alfred Wegener, that claims that the Pangaea super-continent existed by describing the motions of large land masses.
This idea received some experimental support in the 1950's, when Heezen's echo-sounding profiles revealed a surprising result partly explained by an idea of Harry Hess.
continental drift [accept close equivalents; accept plate tectonics before it's mentioned]