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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.
- Frederick Vine and Drummond Matthews
Image courtesy of the Naked Science Society. They published...
- John Tuzo-Wilson
In 1965, he followed this discovery with the idea of a third...
- Alfred Lothar Wegener
One of the most important contributions to the development...
- Frederick Vine and Drummond Matthews
In 1953, scientists discovered that a prominent valley, called the Great Global Rift, ran down the center of these ridges. Intrigued, Hess reexamined the data from a completely fresh, unorthodox perspective.
Harry Hammond Hess (May 24, 1906 – August 25, 1969) was an American geologist and a United States Navy officer in World War II who is considered one of the "founding fathers" of the unifying theory of plate tectonics.
The seafloor spreading hypothesis was proposed by the American geophysicist Harry H. Hess in 1960. On the basis of Tharp’s efforts and other new discoveries about the deep-ocean floor, Hess postulated that molten material from Earth’s mantle continuously wells up along the crests of the mid-ocean ridges that wind for nearly 80,000 km ...
1 Οκτ 2024 · In this paper, Hess, drawing on Holmes’s model of convective flow in the mantle, suggested that the oceanic ridges were the surface expressions of rising and diverging convective mantle flow, while trenches and Wadati-Benioff zones, with their associated island arcs, marked descending limbs.
23 Μαΐ 2018 · Hess, Harry Hammond (1906–69) An American geophysicist from Princeton University, Hess made important contributions to the theory of plate tectonics. He devised the concept of sea-floor spreading (see also DIETZ, ROBERT SINCLAIR), and discovered and named guyots.
With the discovery in 1953 of the Great Global Rift, a volcanic valley running along the midocean ridges, Hess looked back at data he had collected during the war.
