If the ocean floor was spreading apart at the Mid-Atlantic Ridge, it could explain how the ... the U.S. government didn’t ...

Scientists believe that the motion of Earth's continents through plate tectonics has been largely steady over millions of ...

Melting glaciers 10,000 years ago sped up continental drift and volcanic activity, a process that could repeat as modern ice ...

Hess, H. H., Petrologic Studies: A Volume in Honor of A. F. Buddington, 599 (Geological Soc. of America, New York, 1962); Submarine Geology and Geophysics, 317 ...

Graphic showing the Mid-Atlantic Ocean Ridge (red line ... “That story that we’ve been telling for a long, long time — that processes like seafloor spreading and continental drift operate at ...

Around 10,000 years ago as the last Ice Age drew to a close, the drifting of the continent of North America, and spreading in the Atlantic Ocean ... ice melting could enhance seafloor spreading and ...