text:  it fit in nicely. That's where the trenches are, and that's where the oceanic plates are driven down beneath the continental plates in most cases, and create the deeper and deeper earthquakes as you go away from the oceans and deep under the continents. But at the international meeting of the Geological Society in Montreal in 1972, I raised a question that's never been answered by anybody. We're given the plate tectonics theory as a