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HARRY HAMMOND HESS 115 Harry Hess was a pioneer in development of the now widely accepted theory of ocean-floor spreading. In 1960, in a widely circulated report to the Office of Naval Research, Harry proposed that the mid-oceanic ridges were the loci of upwelling in 1969 indicates that it was the most referenced work in solid-
20 Μαΐ 2024 · Harry Hammond Hess, a professor of geology at Princeton University, was very influential in setting the stage for the emerging plate-tectonics theory in the early 1960s. He believed in many of the observations Wegener used in defending his theory of continental drift, but he had very different views about large-scale movements of the Earth.
Harry Hess published 'The History of Ocean Basins' in 1962, outlining a theory of how tectonic plates can move which was later called 'sea floor spreading'. He identified the presence of mid ocean ridges, and that ocean trenches are where ocean floor is destroyed and recycled.
Hess's hypothesis offered a solution for the origin and development of mid-oceanic ridges, fit together much of the above data, and utilized his new model of oceanic crust and mantle.
20 Μαΐ 2024 · This question particularly intrigued Harry H. Hess, a Princeton University geologist and a Naval Reserve Rear Admiral, and Robert S. Dietz, a scientist with the U.S. Coast and Geodetic Survey who first coined the term seafloor spreading.
THE CONTINENTAL DRIFT CONTROVERSY. Volume III: Introduction of Seafloor Spreading. Resolution of the sixty-year debate over continental drift, culminating in the triumph of plate tectonics, changed the very fabric of Earth science.
In 1962, he proposed a groundbreaking hypothesis that proved vitally important in the development of plate tectonic theory. It addressed several geologic puzzles: If the oceans have existed for at least 4 billion years, why has so little sediment accumulated on the ocean floor?
