And not only paleosols: fossilized raindrops and mudcracks (it
dried during the flood?), bioturbation (obviously the little wormies were digging through the recently laid down sediments to avoid the next series of waves, or something), etc. And of course, there's the entire post-flud clean-up ably performed by a drunken sot and his prissy family while simultaneously avoiding getting eaten by all those starving predators he had on the Ark. Etc.