By nature, younger rocks will be on top of older sediments; however, sometimes a break in the Earth's crust occurs, causing younger sedimentary rocks to fall into the crack, where they are covered with older sediments. This is called a thrust faulting.
Answer: Thrust Faulting
Find the sunny spot, dig and loosen up the soil, mix the nutrients, plants the seeds , and finally water them well.
I believe it would be the red fox, though I could be wrong