Whose work first explained why mountains form where plates collide?
Quick Answer
Harry H. Hess, J. Tuzo Wilson, and later many others built the plate-tectonic picture, but mountain building at collisions is most strongly tied to the modern tectonic framework. The broader theory matured in the 1960s.
The Full Story
Mountain belts such as the Himalayas and Alps are now understood as products of plate convergence, collision, and crustal shortening. The modern explanation emerged from the plate-tectonics revolution of the 1960s, with major contributions from Hess, Wilson, and many field geologists. Their combined work replaced older ideas that treated mountains as isolated structures. Today, orogeny is explained through plate interactions, uplift, folding, faulting, and crustal thickening.
Key Facts
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Suggested video title for this topic:
"How continents crash and build mountains"
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