The publication of the first comprehensive global map of seafloor physiography by heezen and tharp 1977 provided a pseudo three dimensional image of the oceans that has influenced generations of marine geoscientists. All this evidence both from the ocean floor and from the continental margins made it clear around 1965 that continental drift was feasible and the theory of plate tectonics which was defined in a series of papers between 1965 and 1967 was born with all its extraordinary explanatory and predictive power. 15 oceanexplorer noaa gov learning ocean science through ocean exploration section 2.
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