Why do archeologists have to dig into the soil/sediment to find artifacts and archeological sites? Why are older things always deeper in the ground? Why would they not be found on the same level? Can dirt and debris pile up that bad?
In: Geology
Take a plate and put it on the ground. Over time bird droppings, dust and leaves will accumulate on it. The same is happening on the surrounding ground. Let’s say it builds up at 1 mm per year. After 1,000 years it will be a metre underground.
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