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by sharun 3358 days ago
Stone degrades faster than bone?

Stone tools have been found that are 2-3 million years old - https://en.wikipedia.org/wiki/Stone_tool

1 comments

always wondered how exactly this process works.. you can date the stone itself, but how do you date the shaping of the stone?
The assumption is the surrounding sediment can suffice for a good enough approximation. http://www.nytimes.com/2011/09/13/science/13qna.html