Making the Pieces Fit: Alfred Wegener and Continental Drift
Alfred Wegener proposed the idea of continental drift to explain the jigsaw puzzle fit of the continents. Wegner argued that the continents had all been joined together at one time as a super continent he called Pangaea. Wegener's ideas were initial...
Making the Pieces Fit: Confirming the Theory of Plate Tectonics
The theory of plate tectonics was initially accepted largely on the basis of indirect, paleomagnetic data. Eventually, however, it was confirmed through the use of GPS technology, which is able to actually measure plate motion.
Making the Pieces Fit: Significance of Plate Tectonics Theory
The evidence of plate tectonics takes many forms, from mountain ranges to oceanic ridges and volcanism It is widely considered to be a unifying theory that ties together a variety of scientific disciplines, including marine geology and geophysics, p...
World in Motion: Earth's Tectonic Past and Future
Scientists attempt to reconstruct Earth's history so as to better understand the current state of geologic affairs, including those forces that cause plate movement.
World in Motion: Heat, Convection and Plate Tectonics
Most scientists believe heat and convection probably play a major role in plate tectonics. And, yet, many questions remain.