02:39
Seafloor Spreading and Plate Tectonics (Part 2)
Geophysicist and geologist Tanya Atwater talks about the Deep Sea Drilling Project and the confirmation of magnetic reversals that provided strong evidence of seafloor spreading and plate tectonics.
09:18
Making the Pieces Fit: Seafloor Spreading
Alfred Wegener's hypothesis was rejected by many who felt it lacked a credible mechanism which could explain the continental movement hypothesized by Wegener. The notion of seafloor spreading, which suggested that new seafloor develops at oceanic ri...
00:42
Seafloor Spreading and Plate Tectonics (Part 1)
Geophysicist and geologist Tanya Atwater talks about the role of seafloor spreading and spreading centers in the plate tectonics process.