Why are so many archeological discoveries found buried under ground? I just read a post about obstacles with expanding the subways in Rome due to finding ruins, and I understand finds buried like Pompeii. How do these sites get covered over so deeply?
In: Earth Science
Some is buried from falling dust, river sediment, landslides, or people. Settlements get built on to of other settlements all the time. In the middle east the ancient cities in good spots were built over again and again until they would become a large hill called a Tell or Tel. https://en.m.wikipedia.org/wiki/Tell_(archaeology)
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