It confirmed sea-floor spreading as hypothesized by Hess, and thus "continental drift," originally proposed by Alfred Wegener back in 1912. It convinced many that plate tectonics was the best ...

Photo: Harry Hess argues that the continents had once been one, and have drifted apart. With the discovery of plate tectonics and the mapping of the earth into about 12 plates, plus the ...

This reduction, mostly resulting from a global slowdown in seafloor spreading, caused ocean basins to deepen. In the new work ...

Past changes in climate and carbon cycle have been documented by the ... the Columbia River Flood Basalt and the rapid global seafloor spreading, a period when massive amounts of deep-sourced ...

These formations, composed of calcareous algae and various marine organisms, create rigid structures on the seafloor that, over time, form a circular arrangement. It was photographer and biologist ...