Are older fossils found closer to Earth's surface or deeper down compared to "newer"fossils?

Older fossils are generally found deeper in the Earth's crust compared to "newer" fossils. This is because over time, sediment layers accumulate on top of older layers, burying the older fossils deeper underground. The process of sedimentation and burial is a key mechanism in the fossilization process, as it protects the remains from decay and allows them to be preserved over geological time scales.