I had some interest in this question a decade or two back. What I found from my searches was that it was thought that some human-made ceramics were tough enoug

I had some interest in this question a decade or two back. What I found from my searches was that it was thought that some human-made ceramics were tough enough to last a million years, pretty much nothing else. How much longer, IDK. Ice sheets will wipe out large structures like the dams and pyramids, but how long will it take to destroy or scatter the remains so that they are not recognizable?