I think you might not fully grasp what happens on the scale of millions or billions of years. The entire crust folds in over itself repeatedly and everything (p

I think you might not fully grasp what happens on the scale of millions or billions of years. The entire crust folds in over itself repeatedly and everything (probabilistically) ends up boiled down into magma deep within the earth as new crust emerges to take its place. Nothing static survives.