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
> **Why are so many archeological discoveries found buried under ground?**
That is because if the was not underground the would have been discovered in the past in areas where there is a lot of people. Most old stuff that was in the open and easy to move would have been taken by someone else in the past.
So archeological discoveries has to be underground in populated areas. Only in areas with very few humans can you find stuff on the ground. The object might have been underground in the past but getting exposed by some natural process like a landslide, digging is not a requirement.
Stuff that is underground is also more protected as you do not get wind and water erosion. There is less oxygen so stuff to no get decomposes the same way exactly in clay or peat.
They are also protected from unintentional destruction from humans and animals.
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