What's wrong with dirt?

On a planetary scale, all soil is dirt, because it's all been displaced so many times from glaciers and mountains and oceans and taking part in the biosphere, you can't tell where each particle was originally weathered from or which plant first captured it from the air. No one can trace sod to a fault line.

It's hard to have a rich history when evwn sharks are older. I bet you can't even tell if a soil is from regolith younger or older than Pangaea!